参数资料
型号: PTN78020AAS
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源模块
英文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封装: ROHS COMPLIANT
文件页数: 15/20页
文件大小: 1237K
代理商: PTN78020AAS
www.ti.com
PIN ASSIGNMENT
PTN78020A
(Top View)
1
2
7
6
5
4
3
PTN78020A
SLTS244A – APRIL 2005 – REVISED MAY 2005
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
The negative output voltage power connection. It is also the reference for the VO Adjust control input. For
VO
1, 7
O
proper operation, pins 1 and 7 must be connected.
VI
2
I
The positive input voltage power node to the module, which is referenced to common GND.
N/C
3
This pin is active and must be isolated from any electrical connection.
A 1% resistor must be connected between pin 4 and pin 7 to set the output voltage of the module lower
than -3 V. If left open-circuit, the output voltage defaults to -3 V. The temperature stability of the resistor
VO Adjust
4
I
should be 100 ppm/°C (or better). The set-point range is -15 V to -3 V. The standard resistor value for a
number of common output voltages is provided in the application information.
N/C
5
This pin is active and must be isolated from any electrical connection.
GND
6
I/O
The common ground connection for VI and VO power connections.
4
相关PDF资料
PDF描述
PTN78020WAH 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
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PTN78020HAZ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
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