IS31FL3731-QFLS2-TR ISSI, IS31FL3731-QFLS2-TR Datasheet - Page 3

• Manufacturer Part Number: IS31FL3731-QFLS2-TR
• Description: LED Lighting Drivers LED Driver
• Manufacturer: ISSI

Specifications of IS31FL3731-QFLS2-TR

• Input Voltage: 2.7 V to 5.5 V
• Operating Frequency: 400 kHz
• Maximum Supply Current: 2.17 mA
• Output Current: 34 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-28
• Minimum Operating Temperature: - 40 C
• Factory Pack Quantity: 2500

IS31FL3731
PIN DESCRIPTION
No.
1
2
3
4
5
6
7 ~ 15
16
17
18
19
20
21 ~ 28
Integrated Silicon Solution, Inc. – www.issi.com
Rev.B, 09/10/2012
Copyright © 2012 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any
time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are
advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products.
Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the
product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not
authorized for use in such applications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that:
a.) the risk of injury or damage has been minimized;
b.) the user assume all such risks; and
c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances
Pin
CA9
VCC
SDB
INTB
GND
R_EXT
CB1 ~ CB9
C_FILT
IN
AD
SDA
SCL
CA1 ~ CA8
Thermal Pad
LED matrix A current output/input port.
Power supply.
Shutdown the chip when pull to low.
Interrupt output. Active low.
Ground.
20kΩ resistance to confirm the LED current.
Capacitor used for audio.
Audio input.
I2C address setting.
I2C compatible serial data.
I2C compatible serial clock.
Connect to GND.
Description
LED matrix B current output/input port.
LED matrix A current output/input port.
3