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PDF LV52133A Data sheet ( Hoja de datos )

Número de pieza LV52133A
Descripción Programmable DC-DC Converter
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LV52133A
Programmable DC-DC Converter,
±5V dual-output, Single-Inductor
Overview
LV52133A0XA and LV52133A5XA are dc-dc converters specifically
designed for LCD panels. These dc-dc converters generate two different output
voltages from a single inductor. Each of the output voltages are adjustable from
±4.1 V to ±5.7V. LCD panel power modules using these dc-dc converters can be
implemented within smaller board footprints, compared to converters that
require dual inductors. The short circuit protection function, integrated for both
positive and negative output pins, provides protection from continuous
overcurrent when the output is shorted. This feature enhances the safety of the
design. The extremely low standby current (0.3μA typical) enables longer
application operating time.
The differences of the LV52133A0XA-VH and LV52133A5XA-VH are
shown in below table.
Table. Correspondence table of between Vout1/2’s default voltages
and the marking vs product names
Default voltages
Marking
LV52133A0XA-VH
±5.0V
133A0 YMXX
LV52133A5XA-VH
±5.5V
133A5 YMXX
Features
Dual-Outputs by Single-Inductor architecture
VOUT1 default output voltage (+5.0V/+5.5V)
VOUT2 default output voltage (5.0V/ 5.5V)
Adjustable both output voltages by I2C (I2C disable at standby)
Operating voltage range 2.5V to 5.5V
High speed inverted charge pump technology
Short Circuit Protection
Standby current dissipation 0.3A
Typical Applications
Mobile LCD panel power supply
General around ±5.0V applications
www.onsemi.com
WLCSP15, 0.4mm pitch
( 2.15mm x 1.55mm, Amax=0.650 mm)
MARKING DIAGRAM
TOP view
= Device Mark
XX = Assembly lot Code
ORDERING INFORMATION
Ordering Code:
LV52133A0XA-VH
LV52133A5XA-VH
Package
WLCSP15 (2.15x1.55)
(Pb-Free / Halogen Free)
Shipping (Qty / packing)
4000 / Tape & Reel
For information on tape and reel specifications, including part
orientation and tape sizes, please refer to our Tape and Reel
Packaging Specifications Brochure, BRD8011/D.
http://www.onsemi.com/pub_link/Collateral/BRD8011-D.PDF
Typical Application Diagram
© Semiconductor Components Industries, LLC, 2016
June 2016- Rev. 2
* I2C Bus is a trademark of Philips Corporation.
1 Publication Order Number:
LV52133A/D

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LV52133A pdf
LV52133A
TYPICAL OPERATING CHARACTERISTICS
VIN=3.7V at Ta 25C, (Unless otherwise noted)
Shutdown waveform1
This case is set both EN off simultaneously.
Vout1
EN1/EN2
Shutdown waveform2
This case is set ENs off separately.
Vout1
EN2
EN1
Vout2
Vout2
Boost converter - switching waveform1
The load current is 5mA from Vout1 to Vout2.
LX
Boost converter - switching waveform2
The load current is 50mA from Vout1 to Vout2.
LX
Inductor
current
Inductor
current
ch2: offset=200mA
ch2: offset=400mA
www.onsemi.com
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LV52133A arduino
LV52133A
Detailed Descriptions
The LV52133A has dual-output VOUT1 (LDO) and
VOUT2 (built-in inverted charge pump) with single
inductor. Both output voltages are separately
controlled by I2C control and pin EN1/EN2. Boost
converter is a fixed-frequency pulse width modulated
(PWM) regulator. At rated load, each converter
operates at continuous conduction mode (CCM). At
light loads, both converters can enter in discontinuous
conduction mode (DCM). A cycle-by-cycle peak
current limit and thermal provide value added features
to protect the device.
Block Diagram
Vbat
VIN
SW
Control
Isense
VBST
TSD
ILIM
adj
adj
VBST
UVLO
OSC
adj
VBST
LDO
DISCHARGE
Enable1
Charge Pump
Control
VOUT1
CP
CN
SDA
SCL I2C
EN1 /EN Enable1
EN2 Enable2
VOUT2
DISCHARGE
Enable2
SGND PGND
VOUT1
VOUT2
www.onsemi.com
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