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AP3607FNTR-G1

4/6 CHANNEL CHARGE PUMP CURRENT SINK FOR LED DRIVER

BCD Semiconductor 

Preliminary Datasheet

4/6 CHANNEL CHARGE PUMP CURRENT SINK FOR LED DRIVER

AP3606/AP3607

Pin Configuration

FN Package

(QFN-3×3-16)

Pin 1 Dot by Marking

Pin 1 Dot by Marking

16 15 14 13

C1- 1

C2- 2

C2+ 3

C1+ 4

EP

12 D2

11 D3

10 D4

9 NC

5678

Exposed PAD,

Connected to AGND

16 15 14 13

C1- 1

C2- 2

C2+ 3

C1+ 4

EP

12 D3

11 D4

10 D5

9 D6

5678

Exposed PAD,

Connected to AGND

Note: Pin 14 should be connected with Pin 16 on PCB Board.

AP3606

Note: Pin 15 should be connected with Pin 16 on PCB Board.

AP3607

Figure 2. Pin Configuration of AP3606/AP3607 (Top View)

Pin Description

Pin Number

Pin Name

AP3606 AP3607

Function

Flying capacitor 1 negative terminal. The flying capacitor should be connected as

1

1

C1-

close to this pin as possible

Flying capacitor 2 negative terminal. The flying capacitor should be connected as

2

2

C2-

close to this pin as possible

Flying capacitor 2 positive terminal. The flying capacitor should be connected as

3

3

C2+

close to this pin as possible

Flying capacitor 1 positive terminal. The flying capacitor should be connected as

4

4

C1+

close to this pin as possible

5

5

AGND Analog ground

6

6

PGND Power ground

7

7

VIN Supply voltage input

Enable control input. Logic high enables the IC; while logic low forces the IC into

8

8

EN

shutdown mode. It is used for digital dimming by applying a pulse signal on it.

9, 15

NC

No connection (AP3606 only)

9, 10

D6 , D5

10, 11, 12, 11, 12, 13,

D4 ~ D1

13

14

14

15

VOUT2

16

16

VOUT1

Current sink for WLED6 and WLED5. Connect the cathode of WLEDs to these

pins. If not used, these pins must be connected with VIN (AP3607 only)

Current sink for WLED4, 3, 2, 1. Connect the cathode of WLEDs to these pins. If

not used, these pins must be connected with VIN

Output pin 2. It powers 4 channels current sink (AP3606) and 6 channels current

sink (AP3607)

Output Pin 1. It’s the charge pump output. The output capacitor should be placed

closely to this pin

Dec. 2008 Rev. 1. 2

BCD Semiconductor Manufacturing Limited

2

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