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參數資料
| 型號： | TPS62001DGSR |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER |
| 中文描述： | 高效率降壓型小功率DC - DC變換器 |
| 文件頁數： | 1/25頁 |
| 文件大?。?/td> | 475K |
| 代理商： | TPS62001DGSR |
SLVS294C SEPTEMBER 2000 REVISED SEPTEMBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FEATURES
High-Efficiency Synchronous Step-Down
Converter With Greater Than 95%
Efficiency
2 V to 5.5 V Operating Input Voltage Range
Adjustable Output Voltage Range From
0.8 V to V
I
Fixed Output Voltage Options Available in
0.9 V, 1 V, 1.2 V, 1.5 V, 1.8 V, 1.9 V, 2.5 V, and
3.3 V
Synchronizable to External Clock Signal up
to 1 MHz
Up to 600 mA Output Current
Pin-Programmable Current Limit
High Efficiency Over a Wide Load Current
Range in Power Save Mode
100% Maximum Duty Cycle for Lowest
Dropout
Low-Noise Operation Antiringing Switch
and PFM/PWM Operation Mode
Internal Softstart
50-
μ
A Quiescent Current (TYP)
Available in the 10-Pin Microsmall Outline
Package (MSOP)
Evaluation Module Available
Available in a Ultra-Small, 12-Pin
NanoStar
(Wafer Chip-Scale) Package
APPLICATIONS
Low-Power CPUs and DSPs
Cellular Phones
Organizers, PDAs, and Handheld PCs
MP-3 Portable Audio Players
Digital Cameras
USB-Based DSL Modems and Other
Network Interface Cards
description
The TPS6200x devices are a family of low-noise synchronous step-down dc-dc converters that are ideally
suited for systems powered from a 1-cell Li-ion battery or from a 2- to 3-cell NiCd, NiMH, or alkaline battery. The
TPS6200x operates typically down to an input voltage of 1.8 V, with a specified minimum input voltage of 2 V.
0
10
20
30
40
50
60
70
80
90
100
0.1
1
IO Load Current mA
Figure 1
10
100
1000
E
EFFICIENCY
vs
LOAD CURRENT
VI = 3.6 V,
VO = 2.5 V
V
IN
1
8
6
7
3
2
9
5
10
4
10
μ
H
EN
ILIM
SYNC
GND
FC
PG
PGND
FB
L
TPS6200x
10
μ
F
V
O
= 0.8 V
to V
I
PG
0.1
μ
F
10
μ
F
V
I
= 2 V
to 5.5 V
With VO
≥
1.8 V; Co = 10
μ
F, VO <1.8 V; Co = 47
μ
F
Figure 2. Typical Application Circuit for Fixed
Output Voltage Option
SYNC = Low
SYNC = High
Copyright
20022003, Texas Instruments Incorporated
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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.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS62001DGSRG4 | 功能描述:開關變換器、穩壓器與控制器 0.9V Out 600mA Step-Down Con RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62002DGS | 功能描述:直流/直流開關調節器 1.0V Out 600mA Step-Down Con RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62002DGSG4 | 功能描述:直流/直流開關調節器 1.0V Out 600mA Step-Down Con RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62002DGSR | 功能描述:直流/直流開關調節器 1.0V Out 600mA Step-Down Con RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62002DGSRG4 | 功能描述:直流/直流開關調節器 1.0V Out 600mA Step-Down Con RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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