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RT9266PE

Description
IC REG BOOST ADJ 0.3A SOT23-6
Categorysemiconductor    Analog mixed-signal IC   
File Size311KB,14 Pages
ManufacturerRichtek Technology Corporation
Websitehttps://www.richtek.com/
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RT9266PE Overview

IC REG BOOST ADJ 0.3A SOT23-6

®
RT9266
Tiny Package, High Efficiency, Step-up DC/DC Converter
General Description
The RT9266 is a compact, high efficiency, and low voltage
step-up DC/DC converter with an Adaptive Current Mode
PWM control loop, includes an error amplifier, ramp
generator, comparator, switch pass element and driver in
which providing a stable and high efficient operation over
a wide range of load currents. It operates in stable
waveforms without external compensation.
The low start-up input voltage below 1V makes RT9266
suitable for 1 to 4 battery cells applications of providing
up to 300mA output current. The 450kHz high switching
rate minimized the size of external components. Besides,
the 17μA low quiescent current together with high
efficiency maintains long battery lifetime.
The output voltage is set with two external resistors. Both
internal 2A switch and driver for driving external power
devices (NMOS or NPN) are provided.
Features
1.0V Low Start-up Input Voltage
High Supply Capability to Deliver 3.3V 100mA with
1 Alkaline Cell
17μA Quiescent (Switch-off) Supply Current
μ
Zero Shutdown Mode Supply Current
90% Efficiency
450kHz Fixed Switching Frequency
Providing Flexibility for Using Internal and External
Power Switches
Small
SOT-23-6
& SOT-89-5 Package
RoHS Compliant and 100% Lead (Pb)-Free
Applications
PDA
DSC
LCD Panel
RF-Tags
MP3
Portable Instrument
Wireless Equipment
Ordering Information
RT9266
Package Type
E : SOT-23-6
X5 : SOT-89-5
Lead Plating System
P : Pb Free
G : Green (Halogen Free and Pb Free)
Note :
Richtek products are :
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
Pin Configurations
(TOP VIEW)
GND
FB VDD LX
6
5
4
LX
5
4
2
3
1
2
3
EN EXT GND
EN
VDD
FB
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
SOT-23-6
SOT-89-5
Copyright
©
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS9266-16
June 2013
www.richtek.com
1

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Description IC REG BOOST ADJ 0.3A SOT23-6 IC REG BOOST ADJ 0.3A SOT23-6 IC REG BOOST ADJ 0.3A SOT23-6 IC REG BOOST ADJ 0.3A SOT23-6
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