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Revision 1.03

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AS1301

4 Pin Assignments

Figure 2. Pin Assignments (Through View)

Pin Descriptions

Table 1. Pin Descriptions

Pin Name

TDFN Pinout

WLP Pinout

Description

C2+

1

D1

Connector 2+. Positive terminal of flying cap 2.

VOUT

2

B1

+5V Output Voltage. This pin must be bypassed with a

≥2.2µF low ESR ceramic capacitor.

NC

3

-

Connected to GND or left floating.

NC

4

-

Connected to GND or left floating.

NC

5

-

Connected to GND or left floating.

EN

6

A1

Enable. (operating if EN = 1). Set this digital input to logic

high for normal operation. For shutdown, set to logic low.

C1+

7

C1

Connector 1+. Positive terminal of flying cap 1.

C2-

8

C2

Connector 2-. Negative terminal of flying cap 2.

VBATT

9

B2

+2.7V to 5.25V Input Voltage. Bypass this pin to GND with

a

≥2.2µF low ESR ceramic capacitor.

C1-

10

D2

Connector 1-. Negative terminal of flying cap 1.

GND

Exposed Pad

A2

Ground.

1

C2+

2

VOUT

3

NC

4

NC

5

NC

10 C1-

9 VBATT

8 C2-

7 C1+

6 EN

A1

B1

C1

D1

D2

C2

B2

A2

EN

VOUT

C1+

C2+

C2-

C1-

VBATT

GND

WL-CSP 8-bumps

TDFN (3x3x0.8mm) 10-pin

GND