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參數(shù)資料
| 型號(hào)： | sp6650 |
| 英文描述： | High Efficiency 600mA Synchronous Buck Regulator(高效率,600mA同步補(bǔ)償穩(wěn)壓器) |
| 中文描述： | 600mA的高效率同步降壓穩(wěn)壓器（高效率，600mA的同步補(bǔ)償穩(wěn)壓器） |
| 文件頁(yè)數(shù)： | 1/17頁(yè) |
| 文件大?。?/td> | 170K |
| 代理商： | SP6650 |
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1
Rev. 2/4/02
SP6650 High Efficiency 600mA Synchronous Buck Regulator
Copyright 2002 Sipex Corporation
High Efficiency 600mA Synchronous Buck Regulator
Ideal for portable designs powered with Li Ion battery
SP6650
FEATURES
I
95% High Efficiency
I
Proprietary Control Loop
I
2.7V to 6.5V Input Voltage Range
I
3.3V or Adjustable Output Voltage
Range
I
2% Output Voltage Accuracy
I
600mA Output Current
I
100% Duty Cycle Operation
I
Programmable Inductor Peak Current
Limit (0.95A or 0.5A)
I
No External FET's Required
I
3V Battery Low Indicator
DESCRIPTION
The SP6650 is ideal for portable applications that use a Li-Ion or 3 to 4 cell alkaline/NiCd/NiMH
input. The SP6650 extends battery life with it’s unique control loop scheme (patent pending),
which maintains high efficiency levels (> than 90%) over a wide range of output currents. Features
such as Inductor peak current control, protects the power supply from overload or short circuit
conditions, controls the startup current to prevent output overshoot and excessive battery drop,
and gives the user more flexibility in choosing an appropriate coil to optimize solution cost, size
and performance. Other features include a dedicated pin for manual shutdown, a battery low
indicator, and thermal protection.
APPLICATIONS SCHEMATIC
APPLICATIONS
I
PDA
I
CD Player
I
ADSL Modem
I
Digital Still Camera
RB
100k
2.7-6.5 VDC
3.3V or 1.25V
to 5.0V
SP6650
10
9
8
7
6
1
2
3
4
5
R1
10
C1
1
μ
F
C2
47
μ
F
L1 22
μ
H
V
OUT
C3
47
μ
F
R2
164k
R3
100k
C4
470pF
PV
IN
V
IN
BLON
I
LIM
SHDN
LX
PGND
GND
V
OUT
FB
R4
100k
I
2.7V Undervoltage Lockout
I
Over Temperature and Over Current
Protection
I
Shutdown Control
I
Small 10-Pin MSOP
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP6650EB | 制造商:SIPEX 制造商全稱(chēng):Sipex Corporation 功能描述:Evaluation Board Manual |
| SP6650EU | 制造商:SIPEX 制造商全稱(chēng):Sipex Corporation 功能描述:Evaluation Board Manual |
| SP6650EU/TR | 制造商:SIPEX 制造商全稱(chēng):Sipex Corporation 功能描述:High Efficiency 600mA Synchronous Buck Regulator Ideal for portable designs powered with Li Ion battery |
| SP6650EU-L | 功能描述:DC/DC 開(kāi)關(guān)控制器 High Eff 600mA Synchronous RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| SP6650EU-L/TR | 功能描述:DC/DC 開(kāi)關(guān)控制器 High Eff 600mA Synchronous RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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