STOD13ASTPUR datasheet(6/25 Pages) STMICROELECTRONICS

Part #	STOD13ASTPUR

Description	Synchronous rectification for both DC-DC converters

PDF	25 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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6 / 25 page

Pin configuration

STOD13AS

6/25

Doc ID 022733 Rev 1

Pin configuration

Figure 3.

Pin configuration (top view)

Table 3.

Pin description

Pin name

Pin n°

Description

Lx1

Boost converter switching node

PGND

Power ground pin

VMID

Boost converter output voltage

Fast discharge control pin. When pulled LOW, the fast discharge after

shutdown is active. When pulled HIGH, the fast discharge is OFF

AGND

Signal ground pin. This pin must be connected to the power ground layer

VREF

Voltage reference output. 1 µF bypass capacitor must be connected

between this pin and AGND

SWIRE

Negative voltage setting pin

Enable control pin. High = converter on; Low = converter in shutdown

mode

VO2

Inverting converter output voltage

Lx2

Inverting converter switching node

VIN A

Analogic input supply voltage

VIN P

Power input supply voltage

Exposed

pad

Internally connected to AGND. Exposed pad must be connected to

ground layers in the PCB layout in order to guarantee proper operation of

the device

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