Functional block diagram, En vin gnd, Iset – Diodes AP3616 User Manual

Page 4: Synf, Dim syn, Fbx fb, Flag, Ch16 ch1

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SIXTEEN-CHANNEL, 75mA CURRENT SINK WITH CURRENT MATCH AP3616

Data Sheet

4

BCD Semiconductor Manufacturing Limited

Jul. 2012 Rev. 1. 2

EN

Bandgap

UVLO

VDD

Regulator

EN

VIN

GND

AGND

PGND

ISET

AM
P

SYNF

CO

MP

CO

MP

+

_

+

_

2.2V

0.5V

RS

SET

RESET

13 A

Q_BAR

CO

MP

DIM

SYN

CO

M

P

OVP

V

REF

SCP

CO

MP

CO

MP

+

_

+

_

VDD

0.26V

SE
L

LO
W

FBX

FB

V

CH

16 to 1

CH_I

REF

1 to 16

FLAG

V

REF

CH16

CH1

AM

P

CH1_I

REF

x1

x4

PGND

Open LED

Short LED

VDD

CO
M

P

SCP

V

DD

=5V

2 A

AGND

AGND

x7

SCP

Latch
Block

VDS1

V

DS1

=V

DD

200mV

CO
MP

Open

Detection

Short

Detection

SCP Open

Detection

x3120

x1

x1

OVP_EN

PWM

V

REF

9(16)

10(17)

11(18)

12(19)

13(20)

14(21)

15(22)

17(24)

16(23)

18(25)

19(26)

20(27)

1

8

28

21

x4

13 A

1.194V

1

8

9

15

(

&

28(

A(B)

A for SOIC-28

B fro HSOP-28

Functional Block Diagram

Figure 3. Functional Block Diagram of AP3616

µ

µ

µ

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