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參數(shù)資料
| 型號： | V62/07622-03XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.4 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | GREEN, PLASTIC, QFN-16 |
| 文件頁數(shù)： | 1/25頁 |
| 文件大小： | 630K |
| 代理商： | V62/07622-03XE |
1
FEATURES
APPLICATIONS
TYPICAL APPLICATION
SYNC
GND
PGND
SW
V
O
=3.3V
6.8
H
m
C
=22
F
6.3V
O
m
VIN
LBI
C =10
F
25V
I
m
1
F
m
V =3.8Vto17V
I
VIN
EN
VINA
PGND
GND PwPD
AGND
TPS62111
SW
LBO
PG
1M
FB
DESCRIPTION/ORDERING INFORMATION
www.ti.com .............................................................................................................................................................. SLVS630C – APRIL 2007 – REVISED MAY 2008
17 V, 1.5 A, SYNCHRONOUS STEP-DOWN CONVERTER
2
Controlled Baseline
20 A Quiescent Current (Typical)
–
One Assembly
Overtemperature and Overcurrent Protected
–
One Test Site
Available in 16 Pin QFN Package
–
One Fabrication Site
Extended Temperature Performance of –55°C
to 125°C
Point-of-Load Regulation From 12 V Bus
Enhanced Diminishing Manufacturing Sources
Organizers, PDAs, and Handheld PCs
(DMS) Support
Handheld Scanners
Enhanced Product-Change Notification
Qualification Pedigree
High-Efficiency Synchronous Step-Down
Converter With up to 95% Efficiency
3.1 V to 17 V Operating Input Voltage Range
Adjustable Output Voltage Range From
1.2 V to 16 V
Fixed Output Voltage Options Available in
3.3 V and 5 V
Synchronizable to External Clock Signal up to
1.4 MHz
Up to 1.5 A Output Current
High Efficiency Over a Wide Load Current
Range Due to PFM/PWM Operation Mode
100% Maximum Duty Cycle for Lowest Dropout
Component qualification in accordance with JEDEC and industry
standards to ensure reliable operation over an extended
temperature range. This includes, but is not limited to, Highly
Accelerated Stress Test (HAST) or biased 85/85, temperature
cycle, autoclave or unbiased HAST, electromigration, bond
intermetallic life, and mold compound life. Such qualification testing
should not be viewed as justifying use of this component beyond
specifiedperformance and environmental limits.
The TPS6211x devices are a family of low-noise synchronous step-down dc-dc converters that are ideally suited
for systems powered from a 2-cell Li-ion battery or from a 12 V or 15 V rail.
The TPS6211x is a synchronous PWM converter with integrated N-channel and P-channel power MOSFET
switches. Synchronous rectification is used to increase efficiency and to reduce external component count. To
achieve highest efficiency over a wide load current range, the converter enters a power-saving, pulse-frequency
modulation (PFM) mode at light load currents. Operating frequency is typically 1 MHz, allowing the use of small
inductor and capacitor values. The device can be synchronized to an external clock signal in the range of 0.8
MHz to 1.4 MHz. For low noise operation, the converter can be operated in PWM-only mode. In the shutdown
mode, the current consumption is reduced to less than 2
A. The TPS6211x is available in the 16 pin (RSA)
QFN package, and operates over a free-air temperature range of –55°C to 125°C.
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2007–2008, 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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