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XC9136 Datasheet Preview

XC9136 Datasheet

Multi Functional Step-Up DC/DC Converter

No Preview Available !

XC9135/XC9136 Series
ETR0416-002
1A Driver Transistor Built-In, Multi Functional Step-Up DC/DC Converters
ˑGreenOperation Compatible
˙GENERAL DESCRIPTION
XC9135/XC9136 series are synchronous step-up DC/DC converterswith a 0.2Њ(TYP.) N-channel driver transistor and a 0.2
Њ(TYP.) synchronous P-channel switching transistor built-in. A highly efficient and stable current can be supplied up to 1.0A by
reducing ON resistance of the built-in transistors.
The series are able to start operation under the condition which has 0.9V input voltage to generate 3.3V output voltage with a 33
Њload resistor, suitable for mobile equipment using only one Alkaline battery or one Nickel metal hydride battery.
During the operation of a shutdown, the load disconnection function enables to cut the current conduction path from the input to
the output.
The output voltage is selectable in 0.1V increments within 1.8~5.0V (±2.0% accuracy).
The UVLO function of the XC9135 series is capable to reduce leaking potassium hydroxide by stopping IC operation while
battery voltage is declining. The release voltages of UVLO are 0.85V (±6.0% accuracy) and 1.6V (±3.0% accuracy), and
selectable voltages range of 0.9V~3.0V.
˙APPLICATIONS
˔Digital audio equipments
˔Digital still cameras / Camcorders
˔Computer mouses
˔Multi-function power supplies


˙FEATURES
Input Voltage Range
Fixed Output Voltages
Oscillation Frequency
Input Current
Output Current
Control Mode Selection
Load Transient Response
Protection Circuits
Functions
Output Capacitor
Operating Ambient Temperature
Package
Environmentally Friendly
: 0.65Vʙ5.5V
: 1.8Vʙ5.0Vʢ0.1V incrementsʣ
: 1.2MHz(ʶ15%ʣ
: 1.0A
: 500mA @ VOUT=3.3V, VIN=1.8V(TYP.)
: PWM or Auto PWM/PFM
: 100mV VOUT=3.3V,VIN=1.8V,IOUT=1mAˠ200mA
: Thermal shutdown
Over-current limit
Integral latch method
: Soft-start
Load Disconnection Function
CL Auto Discharge Function
Flag-out Function
UVLO
: Ceramic Capacitor
: ˆ ʙ ˆ
: USP-10B
: EU RoHS Compliant, Pb Free
˙TYPICAL APPLICATION CIRCUIT ˙TYPICAL PERFORMANCE
CHARACTERISTICS
˔Efficiency vs. Output Current
˔XC9135 Series
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XC9135C32CDR-G (VOUT=3.2V)
L=4.7ЖH (VLF3014ST-4R7M1R1), CL=22Ж' LMK316ABJ226ML
CIN=10ЖF (JMK212ABJ106KG), CDD=0.47ЖF (TMK107BJ474KA)
fOSC=1.2MHz
100
80
60
PWM/PFM
40
2.5V
VIN=1.8V
3.0V
20
0
0.1
PWM
1
10
100
Output Current : IOUT (mA)
1000
1/35




Torex

XC9136 Datasheet Preview

XC9136 Datasheet

Multi Functional Step-Up DC/DC Converter

No Preview Available !

XC9135/9136 Series
˙PIN CONFIGURATION
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641#
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˙PIN ASSIGNMENT

PIN NUMBER
XC9135 series XC9136 series
PIN NAME
FUNCTIONS
1
1
BAT
Power Input
2
2
Lx
Switching
3
3
CDD
Bypass Capacitor Connection
4
4
MODE
Mode Switching
5
5
FO
Flag Output
6
6
EN
Enable
7
-
CDF
UVLO Detect Delay Capacitor Connection
-
7
NC
No Connection
8
8
AGND
Analog Ground
9
9
PGND
Power Ground
10
10
VOUT
Output Voltage
* The dissipation pad for the USP-10B package should be solder-plated in recommended mount pattern and metal masking so as to enhance
mounting strength and heat release.
If the pad needs to be connected to other pins, it should be connected to the AGND (No.8) or PGND (No.9) pin.
*Please short the GND pins (pins 8 and 9).

˙FUNCTION CHART
1. EN Pin Function
XC9135/XC9136 series
EN PIN
FUNCTIONS
H
L
* Do not leave the EN pin open.
Operation
Stop
2. MODE Pin Function
XC9135/XC9136 series
MODE PIN
FUNCTIONS
H
PWM
L
PWM/PFM automatic control
* Do not leave the MODE pin open.
2/35



Part Number XC9136
Description Multi Functional Step-Up DC/DC Converter
Maker Torex
Total Page 3 Pages
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XC9136 Datasheet PDF





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