A6902D13TR(2007) 데이터 시트보기 (PDF) - STMicroelectronics

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A6902D13TR
(Rev.:2007)

Up to 1A step down switching regulator with adjustable current limit for automotive applications

STMicroelectronics 

A6902D

2

Pin settings

2.1

Pin connection

Figure 2. Pin connection (top view)

Pin settings

2.2

Pin description

Table 1.

N

1

2

3

4

5

6

7

8

Pin description

Pin

Description

OUT

CS+

CS-

Regulator output.

Current error amplifier input (current sense at higher voltage)

Current error amplifier input (current sense at lower voltage)

COMP

FB

VREF

GND

E/A output for frequency compensation.

Feedback input. Connecting directly to this pin results in an output

voltage of 1.23V. An extenal resistive divider is required for higher output

voltages.

3.3V reference voltage. No cap is need for stability.

Ground.

VCC

Unregulated DC input voltage.

4/12

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