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SS6611G Datasheet Preview

SS6611G Datasheet

(SS6610G / SS6611G) High-efficiency Synchronous Step-up DC/DC Converter

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SS6610/11G
High-efficiency Synchronous Step-up DC/DC Converter
PRODUCT SUMMARY
High efficiency boost converter
Output current up to 500mA
No external diode required
FEATURES
Quiescent supply current of 20mA.
Power-saving shutdown mode (0.1µA typical).
Internal synchronous rectifier
On-chip low-battery detector.
Low battery hysteresis
Pb-free, RoHS compliant MSOP-8
APPLICATIONS
Palmtop and notebook computers.
PDAs
Wireless phones
Pocket organizers.
Digital cameras.
Hand-held devices with 1 to 3 cells of
NiMH/NiCd batteries.
DESCRIPTION
The SS6610/11G are high-efficiency step-up
DC/DC converters, with a start-up voltage as low
as 0.8V, and an operating voltage down to 0.7V.
Consuming only 20µA of quiescent current,
these devices include a built-in synchronous rec-
tifier that reduces size and cost by eliminating
the need for an external Schottky diode, and
improves overall efficiency by minimizing
losses.
The switching frequency can range up to
500KHz depending on the load and input volt-
age. The output voltage can be easily set by:
1) two external resistors for 1.8V to 5.5V;
2) connecting FB to OUT to get 3.3V; or
3) connecting FB to GND to get 5.0V.
The peak current of the internal switch is fixed at 1A
(SS6610G) or 0.65A (SS6611G) for design flexibility.
TYPICAL APPLICATION CIRCUIT
VIN +
47µF
ON OFF
Low Battery
Detection
SHDN
LX
SS6610G OUT
SS6611G
LBI LBO
REF GND FB
0.1µF
22µH
Output 3.3V, 5.0V
+ or adjustable from 1.8V to 5.5V
47µF up to 300mA output
Low-battery
Detect Out
4/21/2006 Rev.3.01
www.SiliconStandard.com
1 of 16




Silicon Standard

SS6611G Datasheet Preview

SS6611G Datasheet

(SS6610G / SS6611G) High-efficiency Synchronous Step-up DC/DC Converter

No Preview Available !

SS6610/11G
ORDERING INFORMATION
PIN CONFIGURATION
SS6610GO TR
SS6611GO TR
Packing
TR: Tape and reel
Package type
GO: RoHS-compliant MSOP-8
Example: SS6610GO TR
MSOP-8
TOP VIEW
FB 1
LBI 2
LBO 3
REF 4
8 OUT
7 LX
6 GND
5 SHDN
SS6610 in RoHS-compliant MSOP-8 package, shipped on tape and reel
ABSOLUTE MAXIMUM RATINGS
Supply voltage (OUT to GND)
Switch voltage (LX to GND)
SHDN, LBO to GND
LBI, REF, FB, to GND
Switch current (LX)
Output current (OUT)
Operating temperature range
Storage temperature range
TEST CIRCUIT
Refer to the typical application circuit on page 1.
8.0V
VOUT+ 0.3V
6.0V
VOUT+0.3V
-1.5A to +1.5A
-1.5A to +1.5A
-40°C ~ +85°C
-65°C ~150°C
4/21/2006 Rev.3.01
www.SiliconStandard.com
2 of 16


Part Number SS6611G
Description (SS6610G / SS6611G) High-efficiency Synchronous Step-up DC/DC Converter
Maker Silicon Standard
Total Page 16 Pages
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