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XC6373E700DL Datasheet(PDF) 1 Page - Torex Semiconductor

Part # XC6373E700DL
Description  PWM Controlled Step-Up DC/DC Controllers/Converters
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC6373E700DL Datasheet(HTML) 1 Page - Torex Semiconductor

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XC6371 6372 6373 ETR0402_001.doc
CMOS Low Power Consumption
Operating Voltage
:0.9V~10.0V
Output Voltage Range
:2.0V~7.0V
Output Voltage Accuracy :±2.5%
Oscillation Frequency
:50kHz, 100kHz,
180kHz(XC6371/72)
30kHz (XC6373)
GENERAL DESCRIPTION
The XC6371/6372/6373 series are a group of PWM controlled
and PWM/PFM controlled step-up DC/DC converters. The
built-in 1.4Ω switching transistor type enables a step-up circuit
to be configured using only three components, a coil, a diode,
and a capacitor.
Output voltage can be selectable in the range from 2.0V to 7.0V
in increments of 100mV (accuracy: ± 2.5%). Oscillation
frequency is also selectable from 50kHz, 100kHz, and 180kHz
(accuracy:±15%) for the XC6371 and the XC6372 series.
Soft-start time is internally set and offers protection against
in-rush currents when the power is switched on and prevents
voltage overshoot. 5 pin packages, which are provided with
either a CE (chip enable) function that reduces power
consumption during shut-down mode, or a VDD pin (separated
power and voltage detect pins) are available.
The XC6371 series is the standard PWM controlled products.
The control of the XC6372 series switches from PWM to PFM
control during light loads when automatically switching is
selected and the series is highly efficient from light loads to
large output currents. Since the XC6373 series is a low noise,
it is suitable for a wireless circuit. Also the series is particularly
suited for use with pager applications because oscillation
frequency is set at 30kHz (±20%) so as to attain the lowest
consumption current possible.
APPLICATIONS
Cellular phones, Pagers
Palmtops
Cameras, Video recorders
Portable products
TYPICAL APPLICATION CIRCUIT
TYPICAL PERFORMANCE
CHARACTERISTICS
FEATURES
Operation Start Voltage Range: 0.9V~10V
Output Voltage Range : 2.0V~7.0V in 100mV increments
Highly Accurate
: Setting voltage accuracy±2.5%
Oscillation Frequency : 50kHz, 100kHz, 180kHz (±15%)
selectable (XC6371/72)
30kHz (XC6373)
Maximum Output Currents (Tr. built-in)
: 100mA(TYP.) @ VIN=3.0V, VOUT=5.0V *
Highly Efficient (Tr. built-in)
: 85%(TYP.) @ VIN=3.0V, VOUT=5.0V *
Built-in switching transistor type.
Five-lead packaged units offer either chip enable or
independent VOUT pin option.
Phase compensation and soft start-up circuits built-in.
Small Packages
:SOT-89, SOT-89-5,USP-6B
*: Performance depends on external components and
PCB layout.
GO-Compatible


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