參數(shù)資料
型號(hào)： TPS62291TDRVRQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO6
封裝： 2 X 2 MM, 0.8 MM HEIGHT, GREEN, PLASTIC, SON-6
文件頁(yè)數(shù)： 1/25頁(yè)
文件大?。?/td> 817K
代理商： TPS62291TDRVRQ1
TPS62290DRV
V
2.7Vto6.3V
IN
R
360k
1
W
V
1.8V,
1000mA
OUT
R
180k
2
W
VIN
GND
EN
FB
SW
COUT
MODE
C
10 F
IN
m
L1
2.2 H
m
C
22pF
1
30
40
50
60
70
80
90
100
0.00001 0.0001
0.001
0.01
0.1
1
I -OutputCurrent- A
O
Efficiency-%
V =4.2V
IN
V =3.8V
IN
V =5V
IN
V =4.5V
IN
V
=3.3V,
MODE=GND,
L =2.2 H
OUT
m
www.ti.com
SLVSAI5 – SEPTEMBER 2010
1-A Step Down Converter in 2 x 2 SON Package
1
FEATURES
DESCRIPTION
Qualified for Automotive Applications
High Efficiency Step Down Converter
The TPS6229x-Q1 is a highly efficient synchronous
step
down
dc-dc
converters
optimized
for
Output Current up to 1000 mA
battery-powered portable applications. TPS6229x-Q1
VIN Range From 2.3 V to 6 V
provides up to 1000-mA output current from a single
2.25 MHz Fixed Frequency Operation
Li-Ion cell.
Power Save Mode at Light Load Currents
With an input voltage range of 2.3 V to 6 V, the
Output Voltage Accuracy in PWM mode ±1.5%
device supports batteries with extended voltage
range and are ideal to power portable applications
Fixed Output Voltage Options
like mobile phones and other portable equipment.
Typ. 15-mA Quiescent Current
The
TPS6229x-Q1
operates
at
2.25-MHz
fixed
100% Duty Cycle for Lowest Dropout
switching frequency and enters Power Save Mode
Voltage Positioning at Light Loads
operation at light load currents to maintain high
Available in a 2 × 2 × 0,8 mm SON Package
efficiency over the entire load current range.
The Power Save Mode is optimized for low output
voltage ripple. For low noise applications, the device
can be forced into fixed frequency PWM mode by
pulling the MODE pin high. In the shutdown mode,
the current consumption is reduced to less than 1 mA.
The TPS6229x-Q1 allows the use of small inductors
and capacitors to achieve a small solution size.
The TPS6229x-Q1 is available in a 2-mm × 2-mm
6-pin SON package.
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.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright 2010, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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TPS62293DRVR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.25MHz 1A Step-Down Cnvrtr RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62293DRVRG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.25MHz 1A Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62293DRVT 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.25MHz 1A Step-Down Cnvrtr RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62293DRVTG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.25MHz 1A Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62293TDRVRQ1 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 AC 2.25MHz 1A Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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