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XINNA SEMI

XA3106 Datasheet Preview

XA3106 Datasheet

Synchronous Buck-Boost DC/DC Regulator

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XA3106
Synchronous Buck-Boost DC/DC Regulator
Features
Synchronous rectification: Up to 95%
efficiency
Single inductor
Fixed frequency operation with battery
voltages above, below or equal to the
output
Quiescent current 1mA (50uA low power
mode: mode pin high)
Up to 600mA continuous output current
1.8V to 5.5V input and output voltage range
Programmable oscillator frequency from
350kHz to 1.5MHz
No Schottky Diodes required
VOUT disconnected from VIN during
shutdown
Shutdown current: IQ 1µA
Package: small thermally enhanced 10-pin
MSOP
Application
Description
The XA3106 is high efficiency, fixed frequency,
Buck-Boost DC/DC converters which operates
from input voltages above, below or equal to the
output voltage. The devices are suitable for
single lithium-ion, multicell alkaline or NiMH
applications where the output voltage is within
the battery voltage range.
The switching frequencies up to 1.5 MHz could
be fixed by employing an external resistor, and
the oscillator could be synchronized to an
external clock. the quiescent current is 1mA,
and this feature maximizing the battery life in
portable applications.
Other features include a 1 µA shutdown,
soft-start control, thermal shutdown and current
limit. The XA3106 converters are available in
the 10-pin thermally enhanced MSOP packages
(or upon request).
Digital cameras and Wireless handsets
Palmtop computers
Handheld instruments
MP3/MP4 players
www.szxinna.com
1




XINNA SEMI

XA3106 Datasheet Preview

XA3106 Datasheet

Synchronous Buck-Boost DC/DC Regulator

No Preview Available !

Typical Applications
XA3106
Absolute Maximum Ratings
VIN ……………………………………………………………………….………….……- 0.3 V + 6 V
VRT,FB,SHDN/SS, SYNC ………………………………………….…………………- 0.3 V + 6 V
VSW ………………………………………….……………………..……….….…..……- 0.3 V
VOUT……………………………………...……………………………….….…..….......- 0.3 V
Operating Temperature Range ………………...………….…………....….…........- 40
+6V
+6V
+ 85
Lead Temperature (Soldering 10 sec.) ….………………...………...….….…………………+ 300
Storage Temperature Range …………………...……………………….….……..- 65
+ 150
Pin Assignment
MSOP-10L
PIN
NUMBER
MSOP-10
1
2
3
4
5
6
7
8
9
10
PIN NAME
FUNCTION
RT
MS
SW1
SW2
GND
VOUT
VIN
EN
FB
VC
Program the Oscillator
Frequency
MODE/SYNC
Switch 1
Switch 2
Ground
Output
Input
ON/OFF Control
(High Enable)
Feedback
Error Amp Output
www.szxinna.com
2


Part Number XA3106
Description Synchronous Buck-Boost DC/DC Regulator
Maker XINNA SEMI
Total Page 10 Pages
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