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Hexin Semiconductor

HX1001 Datasheet Preview

HX1001 Datasheet

Synchronous Buck DC/DC Converter

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HX1001
Synchronous Buck DC/DC Converter HX1001
Features
Up to 95% Efficiency
Current mode operation for excellent line
and load transient response
Low quiescent current: 230µA
Low Switch on Resistance RDS(ON),
Internal Switch: 0.35
: ~Output voltage 5.5V 0.6V
Automatic PWM/PFM mode switching
No Schottky diode required
1.4MHz fixed frequency switching
Short-Circuit protection
Shutdown quiescent current: < 1µA
Low profile SOT-23-5 package (lead-free
packaging is now available)
Application
Digital cameras and MP3
Palmtop computers / PDAs
Cellular phones
Wireless handsets and DSL modems
PC cards
Portable media players
Description
The HX1001 is high efficiency
synchronous, PWM step-down DC/DC
converters working under an input voltage
range of 2.5V to 5.5V. This feature makes the
HX1001 suitable for single Li-lon
battery-powered applications. 100% duty
cycle capability extends battery life in
portable devices, while the quiescent current
is 200µA with no load, and drops to < 1µA in
shutdown.
The internal synchronous switch is
desired to increase efficiency without an
external Schottky diode. The 1.4 MHz fixed
switching frequency allows the using of tiny,
low profile inductors and ceramic capacitors,
which minimized overall solution footprint.
The HX1001 converters are available in
the industry standard SOT-23-5 power
packages (or upon request).
Order Information
① ②HX1001 -
:
SYMBOL
DESCRIPTION
Denotes Output voltage:
K:1.2V Output B : 1.5V Output; C : 1.8V Output;G:3.3V
Output A : Adjustable Output
Denotes Package Types:
E: SOT-23-5
Wuxi Hexin Semiconductor Ltd., Co
-1-
深圳市道正工贸有限公司 www.rightwaychina.com




Hexin Semiconductor

HX1001 Datasheet Preview

HX1001 Datasheet

Synchronous Buck DC/DC Converter

No Preview Available !

Typical Applications
HX1001
DEVICE
HX1001-KE
HX1001-BE
HX1001-CE
HX1001-GE
VOUT (V)
1.2
1.5
1.8
3.3
MARK
HX-KG
HX-FG
HX-UG
HX-NG
DEVICE
HX1001-AE
VOUT (V)
Adjustable Output
Voltage
MARK
HX-VG
Wuxi Hexin Semiconductor Ltd., Co
-2-
深圳市道正工贸有限公司 www.rightwaychina.com


Part Number HX1001
Description Synchronous Buck DC/DC Converter
Maker Hexin Semiconductor
Total Page 14 Pages
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