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TPS65138A Datasheet Preview

TPS65138A Datasheet

Dual output AMOLED Display Power Supply

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www.ti.com
TPS65138
TPS65138A
SLVSAV3C – APRIL 2011 – REVISED MAY 2012
Dual output AMOLED Display Power Supply
Check for Samples: TPS65138, TPS65138A
FEATURES
1
• 2.9V to 4.5V Input Voltage Range
• 0.8% Output Voltage Accuracy VPOS
• Excellent Line Transient Regulation
• 300mA Output Current
• Fixed 4.62V Positive Output Voltage
• Digitally Programmable VNEG
– TPS65138: -2.2V to -6.2V
– TPS65138A: -2.2V to -5.2V
• -4.9V Default Value for VNEG
• Short Circuit Protection
• Thermal Hhutdown
• 3-mm × 3-mm QFN Package
APPLICATIONS
• Active Matrix OLED
DESCRIPTION
The TPS65138 is designed to drive AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring
positive and negative supply rails. The device integrates boost converter and inverting buck boost converter
designed suitable for battery operated products. The digital control pin (CTRL) allows programming the negative
output voltage in digital steps. The TPS65138 uses a novel technology enabling excellent line and load
regulation. This is required to avoid disturbance of the AMOLED display by the input voltage disturbances
occurring during transmit periods in mobile phones.
TYPICAL APPLICATION SCHEMATIC
VIN
2.9V to 4.5V
C1
10PFx2
Enable and
Program VNEG
C4
100nF
L1
4.7PH
PVIN TPS65138 SWP
PGND
CTRL
OUTP
OUTN
CT
GND
SWN
VL
C5
100nF
L2
4.7PH
VPOS
4.62V/300mA
C2
10PF
VNEG
-4.9V/300mA
C3
10PF x 2
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2011–2012, Texas Instruments Incorporated




etcTI

TPS65138A Datasheet Preview

TPS65138A Datasheet

Dual output AMOLED Display Power Supply

No Preview Available !

TPS65138
TPS65138A
SLVSAV3C – APRIL 2011 – REVISED MAY 2012
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
TA
-40°C to +85°
VNEG PROGRAMMING
RANGE
-2.2V ~ -6.2V
-2.2V ~ -5.2V
ORDERING INFORMATION(1)
PACKAGE (2)
ORDERABLE PART
NUMBER
10-Pin 3x3 QFN
TPS65138DRCR
TPS65138ADRCR
TOP-SIDE MARKING
PUCC
PXJI
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
ABSOLUTE MAXIMUM RATINGS(1)
over operating free-air temperature range (unless otherwise noted)
VALUE
MIN MAX
UNIT
PVIN, SWP, OUTP, CTRL, VL
5.5
Voltage range(2)
OUTN
SWN
–6.5
–6.5 4.8
V
CT 3.6
HBM
±2 kV
ESD rating
MM
±200
V
CDM
±500
V
Operating junction temperature range, TJ
Operating ambient temperature range, TA
Storage temperature range, Tstg
–40 50
–40 85
–65 150
°C
°C
°C
(1) Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating
conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to GND pin
THERMAL INFORMATION(1)
THERMAL METRIC
DRC
10-PINS
UNITS
θJA Junction-to-ambient thermal resistance
θJB Junction-to-board thermal resistance
ψJT Junction-to-top characterization parameter
ψJB Junction-to-board characterization parameter
54.7
16.9
°C/W
4.2
19.5
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953
2 Submit Documentation Feedback
Copyright © 2011–2012, Texas Instruments Incorporated
Product Folder Links: TPS65138 TPS65138A


Part Number TPS65138A
Description Dual output AMOLED Display Power Supply
Maker etcTI
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