AS1313 datasheet(3/26 Pages) AMSCO

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[v1-43] 2015-Jul-23

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AS1313 − Pin Assignment

The AS1313 pin assignment is described below.

Figure 3:

Pin Assignment for MLPD and WL-CSP

Pin Assignment: Shows the TOP view pin assignment of the AS1313.

Figure 4:

Pin Description

Note(s) and/or Footnote(s):

1. This pin should not be left floating.

Pin Number

Name

Type

Description

MLPD

WL-CSP

PWR_GND

GND

Ground. Connect to GND; only available in MLPD package

2A3

Switch Node Connection to Coil. This pin connects to the

drains of the internal main and synchronous power MOSFET

switches.

PWR_VIN

Power Input Supply. Connect to VIN; only available in MLPD

package

4B2

VIN

Battery Voltage Input. Decouple VIN with a 22μF ceramic

capacitor as close as possible to VIN and GND.

5B1

Enable Input. Logic controlled shutdown input.(1)

1 = Normal Operation

0 = Shutdown

6A1

OUT

Output Voltage. An internal resistor divider steps the output

voltage down for comparison to the internal reference

voltage.

7A2

REF

AIO

Reference. Connect a 100nF capacitor to this pin

8B3

GND

Ground

GND

Exposed Pad. This pad is not connected internally. This pin

also functions as a heat sink. Solder it to a large pad or to the

circuit-board ground plane to maximize power dissipation.

Pin Assignment

AS1313

MLPD 8-pin 2x2mm

Exposed pad: GND

REF

GND

PWR_GND

PWR_VIN

VIN

OUT

GND

REF

VIN

Pin A1

indicator

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