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LM3533TMX-40 Datasheet(PDF) 3 Page - Texas Instruments

Part # LM3533TMX-40
Description  Complete Lighting Power Solution for Smartphone Handsets
Download  63 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM3533TMX-40 Datasheet(HTML) 3 Page - Texas Instruments

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A1
A2
B1
B2
B3
A3
C2
C1
C3
D2
D3
A4
B4
C4
D4
D1
E2
E3
E4
E1
LM3533
www.ti.com
SNOSC68C – APRIL 2012 – REVISED SEPTEMBER 2015
5 Pin Configuration and Functions
YFQ Package
20-Pin DSBGA
Top View
Pin Functions
PIN
TYPE
DESCRIPTION
NO.
NAME
Integrated charge pump flying capacitor negative terminal. Connect a 1-µF ceramic capacitor
A1
C
OUT
from C+ to C
−.
Integrated charge pump flying capacitor positive terminal. Connect a 1-µF ceramic capacitor
A2
C+
OUT
from C+ to C
−.
A3
CPOUT
OUT
Integrated charge pump output terminal. Bypass CPOUT to GND with a 1-µF ceramic capacitor.
A4
IN
IN
Input voltage connection. Bypass IN to GND with a minimum 2.2-µF ceramic capacitor.
B1
SCL
IN
Serial clock connection for I2C-compatible interface.
B2
SDA
I/O
Serial data connection for I2C-compatible interface.
Overvoltage sense Input. Connect OVP to the positive terminal of the inductive boost's output
B3
OVP
IN
capacitor (COUT).
B4
GND
GND
Ground
Input pin to high-voltage current sink 1 (40 V maximum). The boost converter regulates the
C1
HVLED1
IN
minimum of HVLED1 and HVLED2 to 0.4 V.
ALS interrupt output (INT). When INT mode is enabled this pin becomes an open-drain output
C2
INT
OUT
that pulls low when the ALS changes zones. On power-up, INT mode is disabled and is high
impedance and must be tied high or low.
PWM brightness control input for CABC operation. PWM is a high-impedance input and cannot
C3
PWM
IN
be left floating.
Drain connection for the internal NFET. Connect SW to the junction of the inductor and the
C4
SW
IN
Schottky diode anode.
Input pin high-voltage current sink 2 (40 V maximum). The boost converter regulates the
D1
HVLED2
IN
minimum of HVLED1 and HVLED2 to 0.4 V.
D2
ALS
IN
Ambient light sensor input.
Hardware enable input. Drive this pin high to enable the device. Drive this pin low to force the
D3
HWEN
IN
device into a low power shutdown. HWEN is a high-impedance input and cannot be left floating.
D4
LVLED5
IN
Low-voltage current sink 5
E1
LVLED1
IN
Low-voltage current sink 1
E2
LVLED2
IN
Low-voltage current sink 2
E3
LVLED3
IN
Low-voltage current sink 3
E4
LVLED4
IN
Low-voltage current sink 4
Copyright © 2012–2015, Texas Instruments Incorporated
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