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Pin Descriptions

Vin:

The positive input voltage power node to the mod-

ule, which is referenced to common GND.

Vout:

The regulated positive power output with respect

to the GND node.

GND:

This is the common ground connection for the

Inhibit:

The Inhibit pin is an open-collector/drain negative

logic input that is referenced to GND. Applying a low-

level ground signal to this input disables the module’s

output and turns off the output voltage. When the Inhibit

control is active, the input current drawn by the regulator

is significantly reduced. If the Inhibit pin is left open-

circuit, the module will produce an output whenever a

valid input source is applied.

Vo Adjust:

A 0.1 W 1 % resistor must be directly connected

between this pin and the GND pin to set the output voltage

to a value higher than 0.9 V. The temperature stability

of the resistor should be 100 ppm/°C (or better). The set

point range for the output voltage is from 0.9 V to 2.5 V.

The resistor required for a given output voltage may be

calculated from the following formula. If left open circuit,

the output voltage will default to its lowest value. For

further information on output voltage adjustment, consult

the related application note.

= 10 k

Ω ·

0.891 V

– 4.99 k

Ω

The specification table gives the preferred resistor values

for a number of standard output voltages.

Ordering Information

Code

Description

AH

Horiz. T/H

(EUS)

AS

(EUT)

Code

Voltage

W

0.9 V – 2.5 V (Adjust)

Notes:

(1) Add “T” to end of part number for tape and reel on SMD packages only.

(2) Reference the applicable package reference drawing for the dimensions and PC board layout

(3) “Standard” option specifies 63/37, Sn/Pb pin solder material.

PTH03000W —3.3-V Input

6-A, 3.3-V Input Non-Isolated

Wide-Output Adjust Power Module

SLTS200C – MAY 2003 – REVISED DECEMBER 2003