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AS1357_UXY-T

Programmable Triple LDO

austriamicrosystems AG 

AS1357

Data Sheet - Pinout

4 Pinout

Pin Assignments

Figure 2. Pin Assignments (Top View – Not To Scale)

EN3 N/C REF

12 11 10

EN2 1

EN1 2

VDD 3

AS1357

12-pin QFN

4x4

9 GND

8 VDD

7 N/C

4

5

6

VOUT1 VOUT2 VOUT3

13 GND

(Exposed Pad)

EN2 EN3 N/C REF

16 15 14 13

EN1 1

12 GND

VDD 2

VDD 3

AS1357

16-pin QFN

3x3

11 GND

10 VDD

VDD 4

9 VDD

5

6

7

8

VOUT1 VOUT2 VOUT3 N/C

Pin Descriptions

Table 1. Pin Descriptions

12-pin QFN 4x4 16-pin QFN 3x3

Pin Number Pin Number

2

1

1

16

12

15

9

11, 12

13

-

10

13

3, 8

2, 3, 4, 9, 10

4

5

5

6

6

7

7,11

8, 14

Pin Name

EN1

EN2

EN3

GND

GND

REF

VDD

VOUT1

VOUT2

VOUT3

N/C

Description

VOUT1 Digital Input Enable

VOUT2 Digital Input Enable

VOUT3 Digital Input Enable

Negative Supply Voltage.

Note: All GND pins must be connected together externally.

Negative Supply Voltage. This pin is the exposed pad.

Note: All GND pins must be connected together externally.

Analog Reference Voltage.

Note: Connect to 100nF capacitor during normal operation.

Positive Supply Voltage.

Note: All VDD pins must be connected together externally.

Regulated Analog Output Voltage 1

Regulated Analog Output Voltage 2

Regulated Analog Output Voltage 3

Not connected.

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Revision 1.07

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