AP3608EFNTR-G1

AP3608EFNTR-G1 Datasheet


AP3608E

Part Datasheet
AP3608EFNTR-G1 AP3608EFNTR-G1 AP3608EFNTR-G1 (pdf)
Related Parts Information
AP3608EGTR-G1 AP3608EGTR-G1 AP3608EGTR-G1
AP3608EM-G1 AP3608EM-G1 AP3608EM-G1
AP3608EMTR-G1 AP3608EMTR-G1 AP3608EMTR-G1
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Data Sheet

EIGHT-CHANNEL CONSTANT CURRENT SINK WITH CURRENT MATCH

AP3608E

The AP3608E is an eight-channel constant current sink with current match used for LED driver. It uses an external resistor to set the current for eight LED strings with an accuracy of The full scale LED current can be adjusted from 10mA to 100mA for each channel. The LED light can be adjusted by PWM dimming function.

The device can keep working when LED opens without damage. It features under voltage lockout protection and over temperature protection.

The AP3608E has four interface terminals FB, SDB, FBX and SDBX pins . The first two terminals allow the device to work with a DC/DC converter to drive LED arrays for good performance. And the other two enable the device to be connected in parallel.

The AP3608E is available in QFN-4x4-24, TSSOP20 EDP and SOIC-20 packages.
• Input Voltage Range 4.2V to 5.5V
• Typical Output Current 480mA 60mA/1V per

Channel
• Maximum Output Current 800mA 100mA/1.5V
per Channel
• Current Match Accuracy
• PWM Dimming Control
• Open LED Self-check and Protection
• Under Voltage Lockout Protection
• Over Temperature Protection
• FBX and SDBX Pins Enable Parallel Application
• Notebook
• LCD Display Modules
• LCD Monitor
• LCD TV

QFN-4x4-24

TSSOP-20 EDP

SOIC-20

Figure Package Types of AP3608E

BCD Semiconductor Manufacturing Limited 1

Data Sheet

EIGHT-CHANNEL CONSTANT CURRENT SINK WITH CURRENT MATCH

Pin Configuration

AP3608E

FN Package QFN-4x4-24

Pin 1 Dot by Marking

CH2 CH3 CH4 PGND CH5 CH6 24 23 22 21 20 19

CH1 1
18 CH7

NC 2 NC 3 NC 4 PWM 5 NC 6

Exposed Pad
17 CH8 16 EN 15 VCC 14 AGND 13 NC
7 8 9 10 11 12 NC FBX ISET FB SDB SDBX

G/M Package TSSOP-20 EDP /SOIC-20

CH1 1 CH2 2 CH3 3 CH4 4 PGND 5 PGND 6 CH5 7 CH6 8 CH7 9 CH8 10
20 EN 19 VCC 18 AGND 17 SDBX 16 SDB 15 FB 14 ISET 13 FBX 12 NC 11 PWM

Note AGND must be quiet and directly connected to total CIN

Figure Pin Configuration of AP3608E Top View

BCD Semiconductor Manufacturing Limited 2

Data Sheet

EIGHT-CHANNEL CONSTANT CURRENT SINK WITH CURRENT MATCH

Pin Description

AP3608E

Pin Number

Pin Name
Ordering Information

AP3608E

AP3608E

Circuit Type

Package FN QFN-4x4-24 G TSSOP-20 EDP M SOIC-20

G1 Green

TR Tape and Reel Blank Tube

Package QFN-4x4-24

TSSOP-20 EDP

SOIC-20

Temperature Range

AP3608EFNTR-G1
-40 to 85oC

AP3608EGTR-G1 AP3608EM-G1

AP3608EMTR-G1

Marking ID

B3B AP3608EG-G1 AP3608EM-G1 AP3608EM-G1

Packing Type

Tape & Reel Tape & Reel

Tube Tape & Reel

BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant and green.

Absolute Maximum Ratings Note 1

Parameter

Value

Unit

Input Voltage ISET Pin Voltage EN Pin Voltage Feedback Pin Voltage SDB Pin Voltage PWM Pin Voltage per Channel Note 3

Thermal Resistance Junction to Ambient, No Heat Sink

VCC VISET VEN VFB VSDB VPWM VCHX
to 40

QFN-4x4-24

TSSOP-20 EDP
35 Note 2

SOIC-20
oC/W

Operating Junction Temperature

Storage Temperature Range

TSTG
-65 to 150

Lead Temperature Soldering, 10sec

TLEAD

ESD Machine Model
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Datasheet ID: AP3608EFNTR-G1 509850