Post on 27-Aug-2019
INDEX PAH50S48-*
1. Evaluation Method PAGE1 - 1 Circuit used for determination T - 1
(1) Steady state data(2) Warm up voltage drift characteristics(3) Over current protection (O.C.P.) characteristics(4) Over voltage protection (O.V.P.) characteristics(5) Output rise characteristics(6) Output fall characteristics(7) Output rise characteristics with ON / OFF control (negative logic)(8) Output fall characteristics with ON / OFF control (negative logic)(9) Dynamic load response characteristics
(10) Inrush current waveform(11) Output-ripple , noise waveform(12) Leakage current characteristics(13) Dynamic line response characteristics(14) AC input response(15) Input reflected current
1 - 2 List of equipment used T - 6
2. Characteristics2 - 1 Steady state data T - 7
(1) Regulation - line and load , temp. drift(2) Output voltage and ripple voltage v.s. input voltage(3) Efficiency and input current v.s.output current(4) Efficiency v.s. input voltage
2 - 2 Warm up voltage drift characteristics T - 112 - 3 Over current protection (O.C.P.) characteristics T - 122 - 4 Over voltage protection (O.V.P.) characteristics T - 142 - 5 Output rise characteristics T - 152 - 6 Output fall characteristics T - 172 - 7 Output rise characteristics with ON / OFF control (negative logic) T - 192 - 8 Output fall characteristics with ON / OFF control (negative logic) T - 212 - 9 Dynamic load response characteristics T - 23
2 - 10 Inrush current waveform T - 262 - 11 Output-ripple , noise waveform T - 272 - 12 Leakage current characteristics T - 302 - 13 Dynamic line response characteristics T - 312 - 14 AC input response T - 322 - 15 Input reflected current T - 33
Terminology usedVin - Input Voltage Iout - Output CurrentVout - Output Voltage Tp - Base-Plate TemperatureIin - Input Current Tr - Load Rise-Time
Tf - Load Fall-Time
NEMIC-LAMBDA (S) PTE LTD
PAH50S48-*1. EVALUATION METHOD1 - 1 Circuit used for determination
(1) Steady state data
(i) Tp = -20°C ~ 100°C
(ii) Tp = -40°C ~ 100°CC1 : 33µF Ceramic Capacitor or equivalent capacitor such as 100V 6.8µF x 5 pcsC4 : 2 pieces of the above recommended value
(2) Warm up voltage drift characteristics
(3) Over current protection (O.C.P.) characteristics
Same as steady state data
C4C3
+C1
C2
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic Capacitor
V V
+IN
IN-
+OUT
OUT-
P.S.
A
+R
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic Capacitor
48VDC
Controlled temp. chamber
+
A
C1 V V
+IN
+OUT
OUT-
P.S.
C2
36 ~ 76VDC
Controlled temp. chamber
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
VR
A
C3 C4
+
CASE
IN-
CASE
NEMIC-LAMBDA (S) PTE LTD T1
PAH50S48-*(4) Over voltage protection (O.V.P.) characteristics
(5) Output rise characteristics
(6) Output fall characteristicsSame as Output rise characteristics
(7) Output rise characteristics with on/off control
C4C3+
A
C1 V V
+IN
IN-
+OUT
OUT-
P.S.
C2
48VDC
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1uF Ceramic Capacitor
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic Capacitor
48VDC
C2
+C1 V V
+IN
IN-
+OUT
OUT-
P.S.
SW
C2
+C1 V V
+IN
IN-
+OUT
OUT-
P.S.S
A
48VDC CNT
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C3VR
A
C4
+
C3
A
VRC4
+
+
CASE
CASE
CASE
A
NEMIC-LAMBDA (S) PTE LTD T2
PAH50S48-*
(8) Output fall characteristics with on/off control
Same as Output rise characteristics with on/off control
(9) Dynamic load response characteristics
(10) Inrush current waveform
(11) Output-ripple , noise waveformNORMAL MODE (EIAJ Standard RC-9002A)
+V
A
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic Capacitor
Dynamic dummy load
Current probe
C3V
+IN
IN-
+OUT
OUT-
P.S.+
48VDCC1
C2
C4
C1Shunt resistor
V V
+IN
IN-
+OUT
OUT-
P.S.
C2
48VDC
C3
SW
+
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic Capacitor
C4
+
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic CapacitorRƒ : 50ΩCƒ : 4700pF
1.5m 50Ω Cable
Rƒ
Cƒ
C2
+C1
C3
+IN
IN-
+OUT
OUT-
P.S.
50mm
C4
+48VDC
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
VR
R
load 2
load 1
CASE
CASE
CASE
A
NEMIC-LAMBDA (S) PTE LTD T3
PAH50S48-*(11) Output-ripple , noise waveform
NORMAL + COMMON MODE
(12) Leakage current characteristics
(13) Dynamic line characteristics
Leakage Current meter
C2
C4
+
IN-
C1
C2
C1+
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic Capacitor
48VDC
50mm
+IN
IN-
+OUT
OUT-
P.S.
1.5m 50Ω Cable
100mm
C4
+
A A
V V
+IN
+OUT
OUT-
P.S.Vin
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic Capacitor
+
A
C1 V V
+IN
IN-
+OUT
OUT-
P.S.
C2
Vin
43VDC
53 VDC
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C3
C3
+
A
C3 C4
+
VR
VR
VR
CASE
CASE
CASE
NEMIC-LAMBDA (S) PTE LTD T4
PAH50S48-*(14) AC input response characteristics
(15) Input Reflected current characteristics
Vin
C2
+
C3 C4
C1
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic CapacitorC5 : 560µF Electrolytics Capacitor
C1 : 33µF Electrolytic CapacitorC2 : 4700pF Ceramic CapacitorC3 : 1µF Ceramic CapacitorC5 : 220µF Elerctrolytic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
C4 : 3.3V&5V - 2200µF Electrolytic Capacitor 12V&15V - 470µF Electrolytic Capacitor 24V&28V - 220µF Electrolytic Capacitor
OSC
12µH
V V
+IN
IN-
+OUT
OUT-
P.S.+C5 +
A
R
C2
C1
C4
+48VDC
+C5
OSC
A
V V
+IN
IN-
+OUT
OUT-
P.S.C3
+VR
CASE
CASE
NEMIC-LAMBDA (S) PTE LTD T5
PAH50S48- *1-2 List of equipment used
No Description Manufacturer Model No.
1 Oscilloscope TEKTRONIX 2465B
2 HITACHI V-1050F
3 Digital oscilloscope YEW DL2140
4 HITACHI VC-6041
5 Digital volt meter IWATSU VDAC 7411
6 DC ampere meter YOKOGAWA ELEC. 2051
7 Dynamic dummy load TAKAMIZAWA PSA-150D
8 Variable resistive load MATSUNAGA 44/11Ω
9 Variable resistive load MATSUNAGA 2.4/0.6Ω
10 Controlled temp . chamber TABAI PL-2GM
11 Shunt resistor KUWANO 100mV , 1A
12 Current probe amplifier TEKTRONIX TM503
13 Current probe TEKTRONIX A6303
14 AC power source / Analyzer HEWLETT PACKARD 6813A
15 Leakage current tester SIMPSON 229-2
NEMIC-LAMBDA (S) PTE LTD T6
PAH50S48-*2. CHARACTERISTICS2-1 Steady State Data
(1) Regulation - Line and Load, Temperature Drift
5 V Regulation - Line and Load Tp = 25°C36 VDC 48 VDC 76 VDC Line Regulation
0% 5.051V 5.051V 5.051V 0 mV 0.00%50% 5.050V 5.050V 5.050V 0 mV 0.00%100% 5.049V 5.049V 5.049V 0 mV 0.00%
2 mV 2 mV 2 mV0.04% 0.04% 0.04%
Temperature Drift Vin = 48VDCIout = 100%
Tp -40°C 25°C 100°C Temp. StabilityVout 5.039V 5.056V 5.054V 17 mV 0.34%
12 V Regulation - Line and Load Tp = 25°C36 VDC 48 VDC 76 VDC Line Regulation
0% 12.024V 12.020V 12.019V 5 mV 0.042%50% 12.026V 12.025V 12.024V 2 mV 0.017%100% 12.026V 12.025V 12.025V 1 mV 0.008%
2 mV 5 mV 6 mV0.017% 0.042% 0.050%
Temperature Drift Vin = 48VDCIout = 100%
Tp -40°C 25°C 100°C Temp. StabilityVout 12.002V 12.030V 12.010V 28 mV 0.23%
24 V Regulation - Line and Load Tp = 25°C36 VDC 48 VDC 76 VDC Line Regulation
0% 24.009V 24.007V 24.005V 4 mV 0.017%50% 24.011V 24.011V 24.009V 2 mV 0.008%100% 24.011V 24.012V 24.011V 1 mV 0.004%
2 mV 5 mV 6 mV0.008% 0.021% 0.025%
Temperature Drift Vin = 48VDCIout = 100%
Tp -40°C 25°C 100°C Temp. StabilityVout 23.958V 24.029V 23.926V 103 mV 0.43%
Iout Vin
Load Regulation
Iout Vin
Load Regulation
Iout Vin
Load Regulation
NEMIC-LAMBDA (S) PTE LTD T7
PAH50S48-*2. CHARACTERISTICS2-1 Steady State Data
(2) Output Voltage And Ripple Voltage V.S. Input VoltageCondition : Iout = 100%
Tp = -40°C Tp = 25°C Tp = 100°C
5 V
12 V
24 V
0
2
4
6
8
10
12
14
0 10 20 30 40 50 60 70 80
Input Voltage (VDC)
Out
put V
olta
ge (
V)
0
100
200
300
400
Rip
ple
Vol
tage
(m
V)
0
5
10
15
20
25
30
0 10 20 30 40 50 60 70 80Input Voltage (VDC)
Out
put V
olta
ge (
V)
0
100
200
300
400
500
600
Rip
ple
Vol
tage
(m
V)
0
1
2
3
4
5
6
0 10 20 30 40 50 60 70 80
Input Voltage (VDC)
Out
put V
olta
ge (
V)
0
100
200
300
400
500
600
Rip
ple
Vol
tage
(m
V)
Output Voltage
Ripple Voltage
Output Voltage
Ripple Voltage
Output Voltage
Ripple Voltage
NEMIC-LAMBDA (S) PTE LTD T8
PAH50S48-*2. CHARACTERISTICS2-1 Steady State Data
(3) Efficiency And Input Current V.S. Output CurrentCondition : Vin = 36 VDC
= 48VDC= 76VDC
Tp = 25°C
5 V
12 V
24 V
0
2
4
6
8
10
0 20 40 60 80 100 120
Output Current (%)
Inpu
t Cur
rent
(A
)
0
20
40
60
80
100
Eff
icie
ncy
(%)
Efficiency
Input Current
0
2
4
6
8
10
0 20 40 60 80 100 120
Output Current (%)
Inpu
t Cur
rent
(A
)
0
20
40
60
80
100
Eff
icie
ncy
(%)Efficiency
Input Current
0
2
4
6
8
10
0 20 40 60 80 100 120
Output Current (%)
Inpu
t Cur
rent
(A
)
0
20
40
60
80
100
Eff
icie
ncy
(%)Efficiency
Input Current
NEMIC-LAMBDA (S) PTE LTD T9
PAH50S48-*2. CHARACTERISTICS2-1 Steady State Data
(4) Efficiency v.s. Input VoltageCondition : Iout = 100%
Tp = 25°C
5 V
12 V
24 V
60
70
80
90
100
30 40 50 60 70 80
Input Voltage (VDC)
Eff
icie
ncy
(%
)
60
70
80
90
100
30 35 40 45 50 55 60 65 70 75 80
Input Voltage (VDC)
Eff
icie
ncy
(%)
60
70
80
90
100
30 35 40 45 50 55 60 65 70 75 80
Input Voltage (VDC)
Eff
icie
ncy
(%)
NEMIC-LAMBDA (S) PTE LTD T10
PAH50S48-*2-2 Warm Up Voltage Drift Characteristics
Condition : Vin = 48 V DC Iout = 100 % Tp = 25°C
5 V
12 V
24 V
-0.30
-0.20
-0.10
0.00
0.10
0.20
0.30
0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00
Time (H)
Out
put
Vol
tage
Dri
ft (
%)
-0.30
-0.20
-0.10
0.00
0.10
0.20
0.30
0.40
0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00
Time (H)
Out
put
Vol
tage
Dri
ft (
%)
-0.30
-0.20
-0.10
0.00
0.10
0.20
0.30
0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00
Time (H)
Out
put
Vol
tage
Dri
ft (
%)
NEMIC-LAMBDA (S) PTE LTD T11
PAH50S48-*2-4 O.V.P. Characteristics
Condition : Vin = 48 V DC Iout = 0 % Tp = 25°C
5 V
12 V
24 V
OVPTrip Point
OVPTrip Point
OVP
Trip Point
2V / DIV 200 ms / DIV
5V / DIV 200ms / DIV
10V / DIV 500ms / DIV
NEMIC-LAMBDA (S) PTE LTD T14
PAH50S48-*2-5 Output Rise Characteristics
Condition : Vin = 48 V DC Iout = 0 % Tp = 25°C
5 V
12 V
24 V
Vout
Vin
VinVin
Vin
Vout
Vout
5V / DIV 50V / DIV 50ms / DIV
10V / DIV 50V / DIV 50ms / DIV
2V / DIV 50V / DIV 50ms / DIV
NEMIC-LAMBDA (S) PTE LTD T15
PAH50S48-*Output Rise Characteristics
Condition : Vin = 48 V DC Iout = 100 % Tp = 25°C
5 V
12 V
24 V
Vout
Vout
Vout
Vin
Vin
Vin
10V / DIV 50V / DIV 50ms / DIV
5V / DIV 50V / DIV 50ms / DIV
2V / DIV 50V / DIV 50ms / DIV
NEMIC-LAMBDA (S) PTE LTD T16
PAH50S48-*2-6 Output Fall Characteristics
Condition : Vin = 48 V DC Iout = 0 % Tp = 25°C
5 V
12 V
24 V
Vout
Vout
Vout
Vin
Vin
Vin
5V / 50V / DIV 200ms / DIV
2V / DIV 50V / DIV 200ms / DIV
10V / DIV 50V / DIV 500ms / DIV
NEMIC-LAMBDA (S) PTE LTD T17
PAH50S48-*Output Fall Characteristics
Condition : Vin = 48 V DC Iout = 100 % Tp = 25°C
5 V
12 V
24 V
Vout
Vout
Vout
Vin
Vin
Vin
10V / DIV 50V / DIV 20ms / DIV
5V / DIV 50V / DIV 20ms / DIV
2V / DIV 50V / DIV 20ms / DIV
NEMIC-LAMBDA (S) PTE LTD T18
PAH50S48-*
2-7 Output Rise With On/Off Characteristics (Negative logic) Condition : Vin = 48 V DC
Iout = 0 % Tp = 25°C
5 V
12 V
24 V
Vout
Vout
Vout
On/OffControl
On/OffControl
On/Off
Control
2V / DIV 5V / DIV 10ms / DIV
5V / DIV 5V / DIV 10ms / DIV
10V / DIV 5V / DIV 10ms / DIV
NEMIC-LAMBDA (S) PTE LTD T19
PAH50S48-*
Output Rise With On/Off Characteristics(Negative logic) Condition : Vin = 48 V DC
Iout = 100 % Tp = 25°C
5 V
12 V
24 V
Vout
Vout
Vout
On/OffControl
On/Off
Control
On/Off
Control
5V / DIV 5V / DIV 10ms / DIV
10V / DIV 5V / DIV 10ms / DIV
2V / DIV 5V / DIV 10ms / DIV
NEMIC-LAMBDA (S) PTE LTD T20
PAH50S48-*2-8 Output Fall With On/Off Characteristics (Negative logic) Condition : Vin = 48 V DC
Iout = 0 % Tp = 25°C
5 V
12 V
24 V
Vout
Vout
Vout
On/Off
Control
On/Off
Control
On/OffControl
2V / DIV 5V / DIV 200ms / DIV
5V / DIV 5V / DIV 200ms / DIV
10V / DIV 5V / DIV 200ms / DIV
NEMIC-LAMBDA (S) PTE LTD T21
PAH50S48-*Output Fall With On/Off Characteristics(Negative logic) Condition : Vin = 48 V DC
Iout = 100 % Tp = 25°C
5 V
12 V
24 V
Vout
Vout
Vout
On/OffControl
On/Off
Control
On/OffControl
2V / DIV 5V / DIV 200ms / DIV
5V / DIV 5V / DIV 200ms / DIV
10V / DIV 5V / DIV 200ms / DIV
NEMIC-LAMBDA (S) PTE LTD T22
PAH50S48-*2-9 Dynamic Load Response Characteristics
Condition : Vin = 48 VDC Tp = 25°C
5 V
Vout
Iout
Iout
Vout
50% 100%
f = 1kHz
+0.96% , -0.88%Tr = 75us
200us / DIV
Iout ( 5A / DIV ) Vout ( 0.1V / DIV )
Tf = 75us
50% 100%
f = 100Hz
+0.88% , -0.8%Tr = 75us
2ms / DIV
Iout ( 5A / DIV ) Vout ( 0.1V / DIV )
Tf = 75us
NEMIC-LAMBDA (S) PTE LTD T23
PAH50S48-*Dynamic Load Response Characteristics
Condition : Vin = 48 VDC Tp = 25°C
12 V
Iout
Vout
Iout
Vout
50% 100%
f = 1kHz
+1% , -1%Tr = 75us
200us / DIV
Iout ( 2A / DIV ) Vout ( 0.5V / DIV )
Tf = 75us
50% 100%
f = 100Hz
+1.167% , -1.167%Tr = 75us
2ms / DIV
Iout ( 2A / DIV ) Vout ( 0.5V / DIV )
Tf = 75us
NEMIC-LAMBDA (S) PTE LTD T24
PAH50S48-*Dynamic Load Response Characteristics
Condition : Vin = 48 VDC Tp = 25°C
24 V
Iout
Vout
Iout
Vout
50% 100%
f = 100Hz
+0.667% , -0.75%Tr = 75us
2ms / DIV
Iout ( 1A / DIV ) Vout ( 0.5V / DIV )
Tf = 75us
50% 100%
f = 1kHz
+0.667% , -0.667%Tr = 75us
200us / DIV
Iout ( 1A / DIV ) Vout ( 0.5V / DIV )
Tf = 75us
NEMIC-LAMBDA (S) PTE LTD T25
PAH50S48-*2-10 Inrush Current Waveform
Condition : Vin = 48 V DC Iout = 100 % Tp = 25°C
25A / DIV 50us / DIV50V / DIV
Vin
Iin
NEMIC-LAMBDA (S) PTE LTD T26
PAH50S48-*2-12 Leakage Current Characteristics
Condition : Iout = 100%Tp= 25°C
5V
12V
24V
0.000
0.050
0.100
0.150
0.200
0 20 40 60 80
Input Voltage (V)
Lea
kage
Cur
rent
(m
A)
+VIN - FG
-VIN - FG
0.000
0.050
0.100
0.150
0.200
0 20 40 60 80
Input Voltage (V)
Lea
kage
Cur
rent
(m
A)
+VIN - FG
-VIN - FG
0.000
0.050
0.100
0.150
0.200
0 20 40 60 80
Input Voltage (V)
Lea
kage
Cur
rent
(m
A)
+VIN - FG
-VIN - FG
NEMIC-LAMBDA (S) PTE LTD T30
PAH50S48-*2-13 Dynamic Line Response Characteristics
Condition : Vin = 43 <=> 53VDCIout = 100%Tp= 25°C
5 V
12 V
24 V
0.2V / DIV 2mS / DIV
Vout
Vin
0.2V / DIV 2mS / DIV
Vout
Vin
0.5V / DIV 2mS / DIV
Vout
Vin
NEMIC-LAMBDA (S) PTE LTD T31
PAH50S48-*2-14 AC Input Response
Condition : Vin = 48 VDCIout = 100%Tp= 25°C
5V
12V
24V
Input Waveform
Output Waveform
AC Input Ripple Voltage = 4VOutput Ripple Voltage = 9.8 mV
Input Waveform
Output Waveform
AC Input Ripple Voltage = 4V
Output Ripple Voltage = 13.6mV
Input Waveform
Output Waveform
AC Input Ripple Voltage = 4VOutput Ripple Voltage = 20.6 mV
NEMIC-LAMBDA (S) PTE LTD T32
PAH50S48-*2-15 INPUT REFLECTED CURRENT
Condition : Vin = 48 VDCIout = 100%Tp= 25°C
5 V
10mA / DIV 1uS / DIV
10mA / DIV 50uS / DIV
NEMIC-LAMBDA (S) PTE LTD T33
PAH50S48-*2-15 INPUT REFLECTED CURRENT
Condition : Vin = 48 VDCIout = 100%Tp= 25°C
12 V
10mA / DIV 1uS / DIV
10mA / DIV 50uS / DIV
NEMIC-LAMBDA (S) PTE LTD T34