SP6650EU Sipex Corporation, SP6650EU Datasheet
SP6650EU
Manufacturer Part Number
SP6650EU
Description
Manufacturer
Sipex Corporation
Specifications of SP6650EU
Case
MSOP-10
Date_code
03
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Quantity
Price
Company:
Part Number:
SP6650EU
Manufacturer:
SIPEX
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5 500
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SP6650EU
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SIPEX
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SP6650EU
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SPIEX
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20 000
Part Number:
SP6650EU-L
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SIPEX
Quantity:
20 000
Part Number:
SP6650EU-L/TR
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SIPEX
Quantity:
20 000
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Part Number:
SP6650EU-TR
Manufacturer:
HIT
Quantity:
39
Part Number:
SP6650EU/TR
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SIPEX
Quantity:
20 000
FEATURES
APPLICATIONS SCHEMATIC
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.
Rev. 2/4/02
95% High Efficiency
Proprietary Control Loop
2.7V to 6.5V Input Voltage Range
3.3V or Adjustable Output Voltage
2% Output Voltage Accuracy
600mA Output Current
100% Duty Cycle Operation
Programmable Inductor Peak Current
No External FET's Required
3V Battery Low Indicator
Range
Limit (0.95A or 0.5A)
100k
R4
High Efficiency 600mA Synchronous Buck Regulator
RB
100k
1 F
C1
2.7-6.5 VDC
®
R1
10
Ideal for portable designs powered with Li Ion battery
C2
47 F
SP6650 High Efficiency 600mA Synchronous Buck Regulator
1
2
3
4
5
PV
V
BLON
I
SHDN
LIM
IN
IN
SP6650
PGND
1
V
®
®
GND
OUT
FB
LX
APPLICATIONS
10
9
8
7
6
2.7V Undervoltage Lockout
Over Temperature and Over Current
Shutdown Control
Small 10-Pin MSOP
PDA
CD Player
ADSL Modem
Digital Still Camera
Protection
L1 22 H
470pF
C4
© Copyright 2002 Sipex Corporation
R2
164k
R3
100k
SP6650
C3
47 F
3.3V or 1.25V
to 5.0V
V
OUT
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