CAT9552HV6I-TG2【PDF 3/16 页】IC LED DRIVER LINEAR 24-TQFN

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CAT9552

Table 1. PIN DESCRIPTION

SOIC / TSSOP

1

2

3

4 ? 11

12

13 ? 20

21

22

23

24

?

V CC

POWER ON

RESET

RESET

TQFN

22

23

24

1 ? 8

9

10 ? 17

18

19

20

21

Pad

A2

A1

A0

Pin Name

A0

A1

A2

LED0 ? LED7

V SS

LED8 ? LED15

RESET

SCL

SDA

V CC

Backside pad

Function

Address Input 0

Address Input 1

Address Input 2

LED Driver Output 0 to 7, I/O Port 0 to 7

Ground

LED Driver Output 8 to 15, I/O Port 8 to 15

Reset Input

Serial Clock

Serial Data

Power Supply

For enhanced heat dissipation. Electrically this

pad must be at ground potential.

INPUT

REGISTER

SCL

SDA

INPUT

FILTERS

I 2 C BUS

CONTROL

LED SELECT (LSx)

REGISTER

LEDx

V SS

OSCILLATOR

PRESCALER 0

REGISTER

PRESCALER 1

REGISTER

PWM 0

REGISTER

PWM 1

REGISTER

BLINK 0

BLINK 1

CONTROL

LOGIC

Note: Only one I/O is shown for clarity

Table 2. ABSOLUTE MAXIMUM RATINGS

Figure 3. Block Diagram

CAT9552

Parameters

V CC with Respect to Ground

Voltage on Any Pin with Respect to Ground

DC Current on I/Os

Supply Current

Package Power Dissipation Capability (T A = 25 ° C)

Junction Temperature

Storage Temperature

Lead Soldering Temperature (10 seconds)

Operating Ambient Temperature

Ratings

? 2.0 to +7.0

? 0.5 to +5.5

± 25

200

1.0

+150

? 65 to +150

300

? 40 to +85

Units

V

V

mA

mA

W

° C

° C

° C

° C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

http://onsemi.com

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