SP6648EU/TR Datasheet

IC型號：
SP6648EU/TR
PDF描述：
Ultra-low Quiescent Current, High Efficiency Boost Regulator
文件大小：
259.85KB
PDF頁數：
16頁
芯片廠家：
SIPEX

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SP6648

Ultra-low Quiescent Current,

High Efficiency Boost Regulator

FEATURES

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Ultra-low 12碌A Quiescent Current

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400mA Output Current at 2.6V Input: 3.3V

OUT

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94% Efficiency from 2 cell to 3.3V

OUT

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Wide Input Voltage Range: 0.95V to 4.5V

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3.3V Fixed or Adjustable Output

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Integrated Synchronous Rectifier: 0.3鈩?/div>

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0.3鈩?Switch

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Anti-Ringing Switch Technology

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Programmable Inductor Peak Current

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Logic Shutdown Control

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Under Voltage Lock-Out at 0.61V

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Programmable Low Battery Detect

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Single or Dual Cell Alkaline

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Small 10 pin DFN Package and Industry

Standard 10 pin MSOP

VBATT

LBI

LBON

RLIM

SHDN

SP6648

10 Pin DFN

10 V

OUT

9 LX

8 P

GND

7 GND

6 FB

Now Available in Lead Free Packaging

APPLICATIONS

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Camera Flash LED Driver

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Wireless Mouse

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PDA's

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Pagers

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Medical Monitors

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Handheld Portable Devices

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MP3 Players

DESCRIPTION

The SP6648 is an ultra-low quiescent current, high efficiency step-up DC-DC converter ideal for

single cell, dual cell alkaline and Li-Ion battery applications such as digital still cameras, PDA鈥檚,

MP3 players, and other portable devices. The SP6648 combines the high delivery associated

with PWM control, and the low quiescent current and excellent light-load efficiency of PFM control.

The SP6648 features 12碌A quiescent current, synchronous rectification, a 0.3鈩?charging switch,

anti-ringing inductor switch, programmable low battery detect, under-voltage lockout and

programmable inductor peak current. The device can be controlled by a 1nA active LOW

shutdown pin.

TYPICAL APPLICATION CIRCUIT

500

10碌H

BATT

47碌F

LBI

LBON

SHDN

1.87K

BATT

LBI

LBON

LIM

OUT

LX 9

GND

GND 7

FB 6

1碌F

205K

47pF

47碌F

3.3V

OUT

Io (mA)

450

400

350

SP6648

300

250

200

150

100

Vout=3.3V, Ipk=0.85A

Vout=5.0V, Ipk=0.85A

1.5

2.0

2.5

3.0

Vin (V)

3.5

4.0

4.5

5 SHDN

124K

1.0

Maximum Load Current in Operation

Date: 7/19/04

SP6648 Ultra-low Quiescent Current, High Efficiency Boost Regulator

現(xiàn)有數量
0現(xiàn)貨
價格
在售
系列
-
包裝
卷帶（TR）
產品狀態(tài)
在售
功能
升壓
輸出配置
正
拓撲
升壓
輸出類型
可調（固定）
輸出數
1
電壓 - 輸入（最小值）
0.7V
電壓 - 輸入（最大值）
4.5V
電壓 - 輸出（最小值/固定）
2.5V（3.3V）
電壓 - 輸出（最大值）
5.5V
電流 - 輸出
2A（開關）
頻率 - 開關
-
同步整流器
是
工作溫度
-40°C ~ 85°C（TA）
安裝類型
表面貼裝型
封裝/外殼
10-TFSOP，10-MSOP（0.118"，3.00mm 寬）
供應商器件封裝
10-MSOP

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