V26
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 …….…….……. 8.0V
24Vin power up …………...….……. 17V
24Vin power down ………...………. 16V
48Vin power up …….….....….……. 34V
48Vin power down ………..………. 32V
Positive Logic Remote ON/OFF (note 3 & 4)
Input Filter ……………………………………………………..….……... PI Type
GENERAL SPECIFICATIONS:
Efficiency ..............................................................…..……... See Table
Isolation Voltage ..........….. Input/Output ....……..…. 1500VDC max.
8
Isolation Resistance ..............................…...............……. 10 ohm min.
Isolation Capacitance ………………...…………………..… 1000pF Typ.
Switching Frequency ........................…..........…….... 300KHz, Typical
Operating Ambient Temperature ………………….....…... -40℃ to +85℃
De-rating, Above 71℃(Metal Case) … Linearly to Zero power at 100℃
De-rating, Above 60℃(Open Frame) … Linearly to Zero power at 100℃
Case Temperature (Note6) ……….………………………….. 100℃ max.
Cooling ………………………………………………… Natural Convection
Storage Temperature ……..……..…....….......……........ -55℃ to +125℃
Humidity ................................................. 95% RH max. Non condensing
MTBF ………. MIL-STD-217F, GB, 25℃, Full Load …… 750KHrs Typ.
Thermal Shutdown, Case Temperature……………..……. 110℃ Typical
Dimensions:
Metal Case …….. 2.00×1.60x0.45 inches (50.8x40.6×11.4 mm)
Open Frame ….. 1.95×1.55x0.40 inches (49.5x39.4×10.16 mm)
Metal Case Material .. Black Coated Copper with Non-Conductive Base
Weight ……………..….…………… Metal Case: 55g , Open Frame: 25g
OUTPUT SPECIFICATIONS:
Voltage Accuracy…................................................………..........
±1.0%
max.
Transient Response: 75% - 100% Step Load Change
Error Band ……
±5%
Vout nominal, Recovery Time …………….….. < 300us
Output Voltage Adjustment Range …………………………...... 90% - 110%Vo
Ripple & Noise, 20MHz BW(Measured with 0.1uF MLCC)
1.8V&2.5V&3.3V&5V …….…. 20mVrms max., 75mVpk-pk max.
12V&15V ……….………..…. 20mVrms max., 100mVpk-pk max.
Temperature Coefficient ..............................................….......….....
±0.02%/°C
Line Regulation (note1) ……..……...…………………..............….
±0.5%
max.
Load Regulation (note2) ….…..……………….……….…......…......
±0.5%
max.
Over voltage Protection (Zener Diode Clamp)
1.8V ……………….…. 3.3Vdc typ., 2.5V …..……. 3.3Vdc typ.
3.3V …………….……. 3.9Vdc typ., 5V ….………. 6.2Vdc typ.
12V ………..…..…..… 15Vdc typ.,15V ……..….…. 18Vdc typ.
Output Current Limit , % Nominal Output ...........…………….... 110% ~150%
Output Short Circuit Protection .....................….…. Continuous (hiccup mode)
Start up time …………………………………….………………..…... 7.5ms typ.
NOTE :
1. Measured From High Line to Low Line.
2. Measured From Full Load to 10% Load.
3. Logic Compatibility …. CMOS or Open Collector TTL, ref. to -Vin
Module ON …...……… >3.5Vdc to 75Vdc or Open Circuit
Module OFF ….……….……………………….……. <1.8Vdc.
4. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF
Module ON ……….………………………………... <1.8Vdc,
Module OFF ………….. >3.5Vdc to 75Vdc or Open Circuit
5. Suffix “O” to the model number with open frame type.
6. Maximum case temperature under any operating condition should
not be exceeded 100℃.
EXTERNAL OUTPUT TRIM
+Vout
TRIM DOWN
Typical Derating curve for Natural Convection
120%
100%
LOAD(%)
80%
60%
40%
20%
0%
-40
Metal Case
Open frame
100
-20
0
20
40
60
80
o
Ambient Temperature( C)
100
-40
71
+Vout
TRIM
TRIM UP
TRIM
10K Ohms
TRIMPOT
-Vout
-Vout
Case SC Dimensions:
All Dimensions In Inches(mm)
Tolerances
Inches: X.XX= ±0.04 , X.XXX= ±0.010
Millimeters: X.X= ±1.0 , X.XX=±0.25
Standard (Metal Case)
Open Frame (Suffix "O")
8
7
6
5
BOTTOM VIEW
DIA
PIN CONNECTIONS
Pin
1
3
4
5
6
7
8
Function
On/Off Control
-Vin
+Vin
Trim
-Vout
+Vout
No Pin
4
3
1
Top View
2
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