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TPS63000-Q1 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
封装:
SON-10
描述:
采用 3x3 QFN 封装，具有 1.8A 电流开关的汽车类 96% 升压降压转换器
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
封装尺寸在P13P15P16
标记信息在P13
封装信息在P13P14P15P16
应用领域在P20
导航目录
TPS63000-Q1数据手册
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of 20 Go
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1
FEATURES
APPLICATIONS
DESCRIPTION
L1
VIN
VINA
EN
PS/SYNC
GND
L2
VOUT
FB
PGND
L1
2.2µH
C2
10µF
C1
10µF
V
IN
1.8Vto
5.5V
V
OUT
3.3Vupto
1200mA
TPS63000
TPS63000-Q1
www.ti.com
...................................................................................................................................................................................................... SLVS968 – JUNE 2009
HIGH-EFFICIENCY SINGLE INDUCTOR BUCK-BOOST CONVERTER WITH 1.8-A SWITCH
23
• Qualified for Automotive Applications • Load Disconnect During Shutdown
• Up to 96% Efficiency • Over-Temperature Protection
• 1200-mA Output Current at 3.3 V in Step Down • Available in Small 3 mm × 3 mm, QFN-10
Mode (VIN = 3.6 V to 5.5 V) Package
• Up to 800-mA Output Current at 3.3 V in Boost
Mode (VIN > 2.4 V)
• All Two-Cell and Three-Cell Alkaline, NiCd or
• Automatic Transition between Step Down and
NiMH or Single-Cell Li Battery Powered
Boost Mode
Products
• Device Quiescent Current Less Than 50 µ A
• Portable Audio Players
• Input Voltage Range: 1.8 V to 5.5 V
• PDAs
• Adjustable Output Voltage From 1.2 V to 5.5 V
• Cellular Phones
• Power Save Mode for Improved Efficiency at
• Personal Medical Products
Low Output Power
• White LEDs
• Forced Fixed Frequency Operation and
Synchronization Possible
The TPS63000 devices provide a power supply solution for products powered by either a two-cell or three-cell
alkaline, NiCd or NiMH battery, or a one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 1200
mA while using a single-cell Li-Ion or Li-Polymer battery, and discharge it down to 2.5 V or lower. The buck-boost
converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification
to obtain maximum efficiency. At low load currents, the converter enters Power Save mode to maintain high
efficiency over a wide load current range. The Power Save mode can be disabled, forcing the converter to
operate at a fixed switching frequency. The maximum average current in the switches is limited to a typical value
of 1800 mA. The output voltage is programmable using an external resistor divider. The converter can be
disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is
packaged in a 10-pin QFN PowerPAD™ package measuring 3 mm × 3 mm (DRC).
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.
2 PowerPAD is a trademark of Texas Instruments.
3 All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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