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參數(shù)資料
| 型號： | TPS62400QDRCQ1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, PDSO10 |
| 封裝： | 3 X3 MM, PLASTIC, SON-10 |
| 文件頁數(shù)： | 1/41頁 |
| 文件大小： | 1319K |
| 代理商： | TPS62400QDRCQ1 |
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IOUTmA
E
ff
ic
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y
VIN =3.6V
MODE/DATA =0
VOUT1=1.575V
VOUT2 =1.8V
V
: 1.575 V
400 mA
out1
SW1
FB 1
SW2
ADJ2
DEF_1
10 F
m
VIN 2.5 V – 6 V
VIN
EN_1
EN_2
MODE/
DATA
TPS62404
GND
2.2 H
m
10 F
m
2.2 H
m
V
: 3.3 V
600 mA
out2
10 F
m
TPS62400-Q1, TPS62401-Q1
TPS62402-Q1, TPS62403-Q1
www.ti.com
SLVSA67 – FEBRUARY 2010
2.25-MHz 400-mA/600-mA DUAL STEP-DOWN CONVERTER
Check for Samples: TPS62404-Q1
1
FEATURES
Qualified for Automotive Applications
EasyScale Optional One-Pin Serial Interface
High Efficiency—Up to 95%
Power Save Mode at Light Load Currents
VIN Range From 2.5 V to 6 V
180° Out of Phase Operation
2.25-MHz Fixed Frequency Operation
Output Voltage Accuracy in PWM Mode ±1%
Output Current 400 mA and 600 mA
Typical 32-mA Quiescent Current for Both
Converters
Adjustable Output Voltage From 0.6 V to VIN
100% Duty Cycle for Lowest Dropout
Pin Selectable Output Voltage Supports
Simple Dynamic Voltage Scaling
Available in a 10-Pin QFN (3mm×3mm)
DESCRIPTION
The TPS6240x device series are synchronous dual step-down DC-DC converters optimized for battery powered
portable applications. They provide two independent output voltage rails powered by 1-cell Li-Ion or 3-cell
NiMH/NiCD batteries. The devices are also suitable to operate from a standard 3.3-V or 5-V voltage rail.
With the EasyScale serial interface the output voltages can be modified during operation. The fixed output
voltage versions TPS62401, TPS62402, TPS62403, and TPS62404 support one pin controlled simple Dynamic
Voltage Scaling for low power processors.
The TPS6240x operates at 2.25-MHz fixed switching frequency and enters the power save mode operation at
light load currents to maintain high efficiency over the entire load current range. For low noise applications the
devices can be forced into fixed frequency PWM mode by pulling the MODE/DATA pin high. In the shutdown
mode, the current consumption is reduced to 1.2-mA, typical. The devices allow the use of small inductors and
capacitors to achieve a small solution size.
The TPS62400 is available in a 10-pin leadless package (3mm×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.
PRODUCTION DATA information is current as of publication date.
Copyright 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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| TPS62420DRC | 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS62421DRCR | 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS62400QDRCRQ1 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 AC Dual Adj SD Cnvtr 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 |
| TPS62401DRCR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual 400mA & 600mA 2.25MHz St-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 |
| TPS62401DRCRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual 400mA & 600mA 2.25MHz St-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 |
| TPS62401DRCT | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual 400mA and 600mA 2.25MHz Step-Dwn 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 |
| TPS62401DRCTG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual 400mA & 600mA 2.25MHz St-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 |
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