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XC9101CH3AKR Datasheet(PDF) 1 Page - Torex Semiconductor

Part # XC9101CH3AKR
Description  PWM Controlled Step-Up DC/DC Controllers
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9101CH3AKR Datasheet(HTML) 1 Page - Torex Semiconductor

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PWM Controlled Step-Up DC/DC Controllers
Series
387
4
The XC9101 series are step-up multiple current and voltage feedback
DC/DC controller ICs. Current sense, clock frequencies and amp
feedback gain can all be externally regulated.
A stable power supply is possible with output currents of up to 1.5A.
With output voltage fixed internally, VOUT is selectable in 0.1V steps
within a 2.5V - 16.0V range (± 2.5%).
For output voltages outside this range, we recommend the FB version
which has a 0.9V internal reference voltage. Using this version, the
required output voltage can be set-up using 2 external resistors.
Switching frequencies can also be set-up externally within a range of
100~600 kHz and therefore frequencies suited to your particular
application can be selected.
With the current sense function, peak currents (which flow through
the driver transistor and the coil) can be controlled. Soft-start time can
be adjusted using external resistor and capacitor.
During shutdown (CE pin =L), consumption current can be reduced to
as little as 0.5
µA (TYP.) or less.
■General Description
GStable Operations via Current & Voltage Multiple Feedback
GUnlimited Options for Peripheral Selection
GCurrent Protection Circuit
GCeramic Capacitor Compatible
GMobile, Cordless phones
GPalm top computers, PDAs
GPortable games
GCameras, Digital cameras
GLaptops
■Features
■Applications
NInput Voltage Range : 2.5V ~ 20V
NOutput Voltage Range
: 2.5V ~ 16V
(Fixed Voltage Type)
: 30V + (Adjustable Type)
NOscillation Frequency Range
: 100kHz ~ 600kHz
NOutput Current
: up to 1.5A
NCeramic Capacitor Compatible
NMSOP-8A Package
VIN=2.5V
4.2V
3.3V
40
60
80
100
1
10
100
1000
Output Current : IOUT (mA)
CLK 5
1 EXT
2 Isen
3 VIN
4 CE/SS
VOUT 7
GAIN 6
Vss 8
U3FWJ44N
50mΩ
22μH
220μF
+10μF
150kΩ
0.1μF
1μF
22KΩ
XP161A1355PR
180pF
470pF
94μF
■Typical Application Circuit
■Typical Performance
Characteristic
VOUT:5.0V FOSC:180kHz
04S_01XC9101/9102新規 02.09.12 14:37 ページ 387


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