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YV12T25 DC-DC Converter
10 - 14 VDC Input; 0.8 - 5.5 VDC Programmable @ 25 A
Data Sheet
Electrical Specifications
Conditions: T A = 25 oC, Airflow = 300 LFM (1.5 m/s), Vin = 12.0 VDC, Vout = 0.8 – 5.5 V, unless otherwise specified.
Parameters
Notes
Min
Typ
Max
Units
Absolute Maximum Ratings
Input Voltage
Operating Ambient Temperature
Storage Temperature
Continuous
-0.3
- 40
-55
14
85
125
VDC
°C
°C
Feature Characteristics
Switching Frequency
500
kHz
Output Voltage Trim Range
1
Remote Sense Compensation 1
2
Turn-On Delay Time
By external resistor, See Trim Table 1
Full resistive load
0.7887
5.5
0.5
VDC
VDC
With Vin = (Converter Enabled, then Vin
From Vin = Vin(min) to Vo = 0.1*
applied)
Vo(nom)
0.5
ms
With Enable (Vin = Vin(nom) applied, then
enabled) From enable to Vo = 0.1*Vo(nom)
Rise time 2 (Full resistive load; No external
output capacitors) From 10%Vo(set) to 90%Vo(set)
Vin=Vin(on) to Vin(max);
SEQ/ENA Control Signal 3
Open collector or equivalent;
(Signal referenced to GND)
Logic High (Module OFF)
1.0
2.0
ms
ms
SEQ/ENA Current
SEQ/ENA Voltage
0.5
3.5
2.33
14
mA
VDC
Logic Low (Module ON)
The output voltage should not exceed 5.5 V (taking into account both the programming and remote sense compensation).
Note that startup time is the sum of turn-on delay time and rise time.
The converter is ON if the SEQ/ENA pin is left open.
SEQ/ENA Current
SEQ/ENA Voltage
Additional Notes:
1
2
3
200
0.8
μ A
VDC
ZD-01983 Rev. 2.1, 25-Jun-10
www.power-one.com
Page 2 of 12
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