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XC9140A5014R-G

Description
Switching Voltage Regulators
Categorysemiconductor    Power management   
File Size966KB,28 Pages
ManufacturerTOREX
Websitehttp://www.torex.co.jp/chinese/
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XC9140A5014R-G Overview

Switching Voltage Regulators

XC9140A5014R-G Parametric

Parameter NameAttribute value
Product CategorySwitching Voltage Regulators
ManufacturerTOREX
RoHSDetails
Mounting StyleSMD/SMT
Package / CaseUSP-6EL
Output Voltage5 V
Output Current100 mA
Number of Outputs1 Output
Input Voltage MAX5.5 V
TopologyBoost
Input Voltage MIN900 mV
Switching Frequency-
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
PackagingReel
Input Voltage900 mV to 5.5 V
Operating Supply Current6.7 uA
Operating Temperature Range- 40 C to + 85 C
Quiescent Current0.1 uA
ShutdownNo Shutdown
Factory Pack Quantity3000
Supply Voltage - Min900 mV
TypeSynchronous Step Up DC/DC Converter
XC9140
Series
Step-Up Synchronous PFM DC/DC Converter
ETR04015-003
GENERAL DESCRIPTION
GreenOperation Compatible
The XC9140 series are step-up synchronous DC/DC converters that support ceramic capacitors and have an internal 0.6Ω
(TYP.) Nch driver transistor and an internal 0.65Ω (TYP.) Pch synchronous rectifier switch transistor. PFM control enables a low
quiescent current, making these products ideal for portable devices that require high efficiency.
When the output voltage is 3.3V and the load current is 1mA (XC9140Axx1 type and XC9140Cxx1 type), startup from an input
voltage of V
IN
= 0.9V is possible which means that these products can be used in applications that start using a single alkaline or
nickel-metal hydride battery. The output voltage can be set from 1.8V to 5.0V (±2.0%) in steps of 0.1V.
The XC9140 features a load disconnect function to break continuity between the input and output at shutdown (XC9140A), and
also a bypass mode function to maintain continuity between the input and output (XC9140C).
A version with a UVLO (Under Voltage Lock-out) function is also available. This function enables the prevention of battery leakage
by stopping IC’s operation when the input voltage is low. The standard product has a UVLO release voltage of 2.15V (±3.0%), and a
custom version with a release voltage selectable from between 1.65V to 2.2V, in steps of 0.05V, is also available.
■APPLICATIONS
Mouses, Keyboards
Bluetooths
Household use Medical equipments
Remote controls
Game consoles
Devices with 1~3 Alkaline, 1~3 Nickel Hydride,
1 Lithium and 1 Li-ion
■FEATURES
Input Voltage Range
Output Voltage Setting
Output Current
Driver Transistor
Supply Current
Control Method
High speed transient response
PFM Switching Current
Functions
:
:
:
:
:
:
:
:
:
0.9V~5.5V
1.8V~5.0V (±2.0%) 0.1V increments
100mA@V
OUT
=3.3V, V
BAT
=1.8V (TYP.)
0.6Ω Nch driver transistor
0.65Ω Pch synchronous rectifier switch transistor
6.3μA (V
BAT
=V
OUT
+0.5V)
PFM Control
50mV@V
OUT
=3.3V, V
BAT
=1.8V, I
OUT
=1→50mA
350mA
Load Disconnection Function or
Bypass Mode Function
UVLO Function
Ceramic Capacitor
Operating Ambient Temperature
Packages
Environmentally Friendly
:
:
:
-40℃½+85℃
SOT-25, USP-6EL
EU RoHS Compliant, Pb Free
■TYPICAL
APPLICATION CIRCUIT
■TYPICAL
PERFORMANCE
CHARACTERISTICS
●Efficiency
vs. Output Current
XC9140A331MR-G(V
OUT
=3.3V)
L=4.7μH(VLF302512M-4R7M),C
IN
=4.7μF(LMK107BJ475MA),
C
L
=10μF(LMK107BJ106MA)
2.5V
Efficiency : EFFI (%)
100
L=4.7μH
LX
VOUT
C
L
=10μF
CE
80
60
3.0V
V
BAT
=1.8V
40
V
IN
=0.9½5.5V
=4.7μF
IN
IN
C
C
=10μF
VBAT
GND
20
0
0.01
0.1
1
10
100
1000
Output Current : I
OUT
(mA)
1/28
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