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LM3532 bảng dữ liệu(PDF) 2 Page - Texas Instruments

tên linh kiện LM3532
Giải thích chi tiết về linh kiện  LM3532 High Efficiency White LED Driver with Programmable Ambient Light Sensing Capability and I2C-Compatible Interface
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nhà sản xuất  TI1 [Texas Instruments]
Trang chủ  http://www.ti.com
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LM3532 bảng dữ liệu(HTML) 2 Page - Texas Instruments

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A1
A2
B1
B2
B3
Top View
A3
C2
C1
C3
D2
D3
A4
B4
C4
D4
D1
LM3532
SNVS653D – JULY 2011 – REVISED JUNE 2013
www.ti.com
Application Circuit Component List
Current/Voltage
Component
Manufacturer's Part Number
Value
Size (mm)
Rating (Resistance)
White LED
LM3532
1.745 mm x 1.845 mm x 0.6 mm
Driver
L
COILCRAFT
10 µH
3.9 mm x 3.9 mm x 1.7 mm
1A (RDC = 0.2Ω)
LPS4018-103ML
COUT
Murata
1µF
0805
50V
GRM21BR71H105KA12L
CIN
Murata
2.2 µF
0603
10V
GRM188R71A225KE15D
Connection Diagram
Figure 1. 16-Bump (1.745 mm × 1.845 mm × 0.6 mm)
DSBGA Package YFQ0016
PIN DESCRIPTIONS
Pin
Name
Description
Output Voltage Sense Connection for Over Voltage Sensing. Connect OVP to the positive
A1
OVP
terminal of the output capacitor.
Input Terminal to High Voltage Current Sink #3 (40V max). The boost converter regulates the
A2
ILED3
minimum of ILED1, ILED2, or ILED3 to 0.4V.
Input Terminal to High Voltage Current Sink #2 (40V max). The boost converter regulates the
A3
ILED2
minimum of ILED1, ILED2, or ILED3 to 0.4V.
Input Terminal to High Voltage Current Sink #1 (40V max). The boost converter regulates the
A4
ILED1
minimum of ILED1, ILED2, or ILED3 to 0.4V.
B1
ALS1
Ambient Light Sensor Input 1.
B2
ALS2
Ambient Light Sensor Input 2.
Active High Hardware Enable. Pull this pin high to enable the LM3532. HWEN is a high
B3
HWEN
impedance input.
B4
IN
Input Voltage Connection. Bypass IN to GND with a minimum 2.2 µF ceramic capacitor.
C1
PWM2
External PWM Brightness Control Input 2.
C2
PWM1
External PWM Brightness Control Input 1.
Programmable Interrupt Pin. INT is an open drain output that pulls low when the ALS changes
C3
INT
zones.
C4
GND
Ground
D1
SDA
Serial Data Connection for I2C-Compatible Interface
D2
SCL
Serial Clock Connection for I2C-Compatible Interface
D3
T0
Unused test input. This pin must be tied externally to GND for proper operation.
D4
SW
Drain Connection for boost converters internal NFET
2
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Copyright © 2011–2013, Texas Instruments Incorporated
Product Folder Links: LM3532


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