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| 型號： | TPS62403DRCT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, SON-10 |
| 文件頁數(shù)： | 1/43頁 |
| 文件大小： | 1155K |
| 代理商： | TPS62403DRCT |
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V
:1.575V
400mA
out1
SW1
FB1
SW2
ADJ2
DEF_1
10 F
m
VIN2.5V – 6V
VIN
EN_1
EN_2
MODE/
DATA
TPS62401
GND
2.2 H
m
10 F
m
2.2 H
m
V
:1.8V
600mA
out2
10 F
m
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
IOUTmA
E
ff
ic
ie
n
c
y
VIN =3.6V
MODE/DATA =0
VOUT1=1.575V
VOUT2 =1.8V
www.ti.com
SLVS681E – JUNE 2006 – REVISED APRIL 2010
2.25MHz 400mA/600mA Dual Step-Down Converter In Small 3x3mm QFN Package
1
FEATURES
DESCRIPTION
2
High Efficiency—Up to 95%
VIN Range From 2.5 V to 6 V
The TPS6240x device series are synchronous dual
step-down DC-DC converters optimized for battery
2.25 MHz Fixed Frequency Operation
powered portable applications. They provide two
Output Current 400 mA and 600 mA
independent output voltage rails powered by 1-cell
Adjustable Output Voltage From 0.6V to VIN
Li-Ion or 3-cell NiMH/NiCD batteries. The devices are
also suitable to operate from a standard 3.3V or 5V
Pin Selectable Output Voltage Supports
voltage rail.
Simple Dynamic Voltage Scaling
With an input voltage range of 2.5V to 6V the
EasyScale Optional One-Pin Serial Interface
TPS62400 is ideal to power portable applications like
Power Save Mode at Light Load Currents
smart phones, PDAs and other portable equipment.
180° Out of Phase Operation
With the EasyScale serial interface the output
Output Voltage Accuracy in PWM Mode ±1%
voltages can be modified during operation. The fixed
Typical 32-mA Quiescent Current for Both
output
voltage
versions
TPS62401,
TPS62402,
Converters
TPS62403, and TPS62404 support one pin controlled
simple Dynamic Voltage Scaling for low power
100% Duty Cycle for Lowest Dropout
processors.
Available in a 10-Pin QFN (3×3mm)
The TPS6240x operates at 2.25MHz fixed switching
frequency and enters the power save mode operation
APPLICATIONS
at light load currents to maintain high efficiency over
Cell Phones, Smart-phones
the
entire
load
current
range.
For
low
noise
PDAs, Pocket PCs
applications the devices can be forced into fixed
OMAP and Low Power DSP Supply
frequency PWM mode by pulling the MODE/DATA
Portable Media Players
pin
high.
In
the
shutdown
mode,
the
current
consumption is reduced to 1.2mA, typical. The
Digital Radio
devices allow the use of small inductors and
Digital Cameras
capacitors to achieve a small solution size.
The TPS62400 is available in a 10-pin leadless
package (3×3mm QFN)
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
EasyScale, OMAP, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2006–2010, 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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PDF描述 |
|---|---|
| TPS62403DRCTG4 | 0.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS62400DRCT | 0.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS62402DRCTG4 | 0.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS62403DRC | 0.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS62410DRCR | 1.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS62403DRCTG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dl Channel Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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 |
| TPS62404DRCR | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 400mA & 600mA,2.25 MHz Step-Down Cnvrtr RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| TPS62404DRCT | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 400mA & 600mA,2.25 MHz Step-Down Cnvrtr RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| TPS62404QDRCRQ1 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual Adj 400mA & 600 mA 2.25MHz Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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 |
| TPS62405QDRCRQ1 | 功能描述:Buck Switching Regulator IC Positive Programmable (Fixed) 1.215V, 1.925V (3.35V) 2 Output 400mA, 600mA 10-VFDFN Exposed Pad 制造商:texas instruments 系列:汽車級，AEC-Q100 包裝:剪切帶（CT） 零件狀態(tài):有效 功能:降壓 輸出配置:正 拓?fù)?降壓 輸出類型:可編程（固定） 輸出數(shù):2 電壓 - 輸入（最小值）:2.5V 電壓 - 輸入（最大值）:6V 電壓 - 輸出（最小值/固定）:1.215V，1.925V（3.35V） 電壓 - 輸出（最大值）:- 電流 - 輸出:400mA，600mA 頻率 - 開關(guān):2.2MHz 同步整流器:是 工作溫度:-40°C ~ 125°C （TJ） 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商器件封裝:10-VSON（3x3） 標(biāo)準(zhǔn)包裝:1 |
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