SP6648EU Sipex Corporation, SP6648EU Datasheet
SP6648EU
Manufacturer Part Number
SP6648EU
Description
Manufacturer
Sipex Corporation
Specifications of SP6648EU
Case
MSOP-10
Date_code
04
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SP6648EU
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SIPEX
Quantity:
20 000
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SP6648EU-L
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SIPEX
Quantity:
20 000
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SP6648EU-L/TR
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Part Number:
SP6648EU/TR
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
FEATURES
V
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’s,
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 12µA quiescent current, synchronous rectification, a 0.3Ω 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.
Rev. 9/15/03
BATT
Ultra-low 12µA Quiescent Current
400mA Output Current at 2.6V Input: 3.3V
94% Efficiency from 2 cell to 3.3V
Wide Input Voltage Range: 0.95V to 4.5V
3.3V Fixed or Adjustable Output
Integrated Synchronous Rectifier: 0.3Ω
0.3Ω Switch
Anti-Ringing Switch Technology
Programmable Inductor Peak Current
Logic Shutdown Control
Under Voltage Lock-Out at 0.61V
Programmable Low Battery Detect
Single or Dual Cell Alkaline
Small 10 pin MSOP Package
+
1.87K
47µF
SHDN
LBON
LBI
1
2
3
4
5
®
V
LBI
LBON
R
SHDN
BATT
LIM
10µH
SP6648
SP6648 Ultra-low Quiescent Current, High Efficiency Boost Regulator
P
V
GND
GND
OUT
LX
FB
10
9
8
7
6
1µF
OUT
High Efficiency Boost Regulator
205K
124K
Ultra-low Quiescent Current,
OUT
47pF
1
+
47µF
3.3V
OUT
SHDN
APPLICATIONS
LBON
V
TYPICAL APPLICATION CIRCUIT
R
BATT
LBI
MP3 Players
PDA's
LIM
Digital Cameras
Pagers
Medical Monitors
Handheld Portable Devices
1
2
3
4
5
Maximum Load Current in Operation
500
450
400
350
300
250
200
150
100
50
0
1.0
10 Pin MSOP
SP6648
1.5
© Copyright 2003 Sipex Corporation
2.0
SP6648
DESCRIPTION
2.5
Vin (V)
Vout=3.3V, Ipk=0.75A
Vout=5.0V, Ipk=0.75A
3.0
10
3.5
9
8
7
6
V
LX
P
GND
FB
OUT
GND
4.0
V
4.5
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