OCT 12, 2006 revised to APR 23, 2007

Page 2 of 28

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YNC12S20 DC-DC Converter Data Sheet

9.6-14 VDC Input; 0.7525-5.5 VDC Programmable @ 20 A

Electrical Specifications

PARAMETER

NOTES

MIN

TYP

MAX UNITS

ABSOLUTE MAXIMUM RATINGS

Input Voltage

Continuous

-0.3

15

VDC

Operating Ambient Temperature

-40

85

°C

Storage Temperature

-55

125

°C

FEATURE CHARACTERISTICS

Switching Frequency

300

kHz

Output Voltage Programming Range

1

By external resistor, See Trim Table 1

0.7525

5.5

VDC

Remote Sense Compensation

1

0.5

VDC

Turn-On Delay Time

Full resistive load

With Vin = (Module Enabled, then Vin applied)

From Vin = Vin(min) to Vo=0.1* Vo(nom)

3

ms

With Enable (Vin = Vin(nom) applied, then enabled)

From enable to Vo= 0.1*Vo(nom)

3

ms

Rise time

From 10% to 90%, full resistive load

4

ms

ON/OFF Control (Positive Logic)

2

Module Off

-5

0.8

VDC

Module On

2.4

VDC

ON/OFF Control (Negative Logic)

2

Module Off

2.4

VDC

Module On

-5

0.8

VDC

Note:

1. The output voltage should not exceed 5.5V (taking into account both the programming and remote sense compensation).

2. Converter is on if ON/OFF pin is left open.

3. Note that start-up time is the sum of turn-on delay time and rise time.