V29
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range ….……………….........…… 12V ….................. 9-18V
24V ………........... 18-36V
48V …..………..... 36-75V
Input Surge Voltage (100ms max.) …………...… 12V …........... 25Vdc max.
24V …........... 50Vdc max.
48V …......... 100Vdc max.
Under voltage lockout ………..….. 12Vin power up ………………….……. 8.8V
12Vin power down ……………………. 8V
24Vin power up …….………….……. 17V
24Vin power down ………….………. 16V
48Vin power up …….….…....….……. 34V
48Vin power down ……………………. 32V
Input Filter …………………………………………..………..….……… PI Type
GENERAL SPECIFICATIONS:
Efficiency…...........................................................…..………See Table
Isolation Voltage …..............….. Input/Output …..…..…. 1500VDC min.
9
Isolation Resistance …......................……………........……. 10 ohm min.
Isolation Capacitance…………………..……….…………..…1000pF typ.
Switching Frequency ….................…….............……………. 380KHz typ.
Operating Ambient Temperature ………..………..…… -40℃ to +85℃
De-rating, Above 71℃ …………….…… Linearly to Zero power at 100℃
Case Temperature(note4) ………….……………………….. 100℃ max.
Cooling ………………………………………………… Natural Convection
Storage Temperature ……………….……....………..... -40℃ to +125℃
Humidity .................................................. 95% RH max. Non condensing
MTBF ………. MIL-STD-217F, GB, 25℃, Full Load ………… 1150K hrs
Dimensions …… DIP .……1.25x0.80x0.40 inches(31.8x20.3x10.2 mm)
SMD …. 1.25x0.80x0.45 inches(31.8x20.3x11.4 mm)
Case Material ……..… Black Coated Copper with Non-Conductive Base
Weight ………………………………………………………………… 18.4g
OUTPUT SPECIFICATIONS:
Voltage Accuracy ……………...................................………….......
±1.5%
max.
Voltage Balance(Dual) ………………………………………………
±2.0%
max.
Transient Response: 75% - 100% Step Load Change
Error Band ………..……………………….……..
±5%
Vout Nominal
Recovery Time …………………….………………….…….. < 300us
Ripple & Noise, 20MHz BW…….. Single ….…….…………. 75mV pk-pk, max.
Dual …….…….…….. 100mV pk-pk, max.
Temperature Coefficient …..........…………………..……....……..
±0.05%/°C
Line Regulation (note1) …….…. Single …….........................….
±0.2%
max.
Dual ……............................….
±0.5%
max.
Load Regulation (note2) ……..… Single … DIP±0.5% max., SMD±1.0% max.
Dual ……............................….
±1.0%
max.
Output Short Circuit Protection …......................................….…. Continuous
Over voltage Protection (Zener Diode Clamp, Single Output Only)
2.5V, 3.3V………………………………..………….3.9Vdc typ.
5V ……..………. 6.2Vdc typ., 12V……………..….15Vdc typ.
15V………..….…………………..……………….….18Vdc typ.
Start up time ………. 24(48)S25(33) ….…….………………..…... 120ms typ.
24(48)S05(12) ………………………..…... ...60ms typ.
Others ………….…….…………...…..…... ….8ms typ.
NOTE:
1. Measured from high line to low line.
2. Measured from full load to 10% load.
3. Suffix “S” to the model number with SMD packages.
4. Maximum case temperature under any operating condition should
not be exceeded 100℃.
Typical Derating curve for Natural Convection
120%
100%
LOAD(%)
80%
60%
40%
20%
0%
-40
-20
0
20
40
60
Ambient Temperature(
o
C)
80
100
Vo=3.3V
Others
-40
65
71
Case A Dimensions:
NOTE:Pin Size is 0.02±0.002 Inch (0.5±0.05 mm)DIA
All Dimensions In Inches (mm)
Tolerances
Inches: X.XX= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±0.5 , X.XX=±0.25
PIN CONNECTION
DIP Packages
SEE NOTE
SMD Packages
Pin
1,24
2,3
Single Output
DIP
NP
SMD
NC
Dual Output
DIP
NP
SMD
NC
-V Input
NP
NP
NP
NC
NP
NP
NC
+V Output
-V Input
NP
NC
TOP
VIEW
BOTTOM
VIEW
4,5
9
10
11
12
13
14
15
16
20,21
22,23
NC
NC
NC
Common
NP
NC
-V Output
NP
NP
NC
NC
+V Output
NP
-V Output
+V Output
NP
NC
-V Output
NP
NC
Common
NP
NC
+V Input
+V Input
* NC-NO CONNECTION WITH PIN
* NP-NO PIN
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