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XC6367 Datasheet(PDF) 1 Page - Torex Semiconductor

Part No. XC6367
Description  PWM Controlled, PWM/PFM Switchable Step-Up DC/DC Controllers
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Maker  TOREX [Torex Semiconductor]
Homepage  http://www.torex.co.jp
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XC6367 Datasheet(HTML) 1 Page - Torex Semiconductor

 
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XC6367_6368 ETR0401_001.doc
Input Voltage Range : 0.9~10.0V
Output Voltage Range : 1.5~6.5V(±2.5%)
Oscillator Frequency : 300kHz(±15%)
PWM/PFM Switching Control (XC6368)
High Efficiency
: 84% (TYP.)
SOT-25 Package
GENERAL DESCRIPTION
The XC6367/68 series are multi-functional step-up DC/DC
converter controllers with built-in high speed, low ON resistance
drivers.
Large output currents are possible using an externally
connected transistor, coil, diode and capacitor.
Output voltage is selectable in 100mV increments within a
range of 1.5V ~ 6.5V (±2.5%). For output voltages outside this
range, we recommend FB version, which has a 1.0V internal
reference voltage. Using the FB version, the required output
voltage can be set-up using 2 external resistors.
With a 300kHz oscillation frequency, the size of the external
components can be reduced.
Control switches from PWM to PFM during light loads with the
XC6368 (PWM/PFM switchable) and the series is highly
efficient from light loads to large output currents.
Soft start time of XC6367/68A, B, and C series is internally set
to 10msec and XC6367/68C, D, and F series regulate soft-start
time by connecting resistors and capacitors externally.
During stand-by (CE pin "Low"), supply current is reduced to
less than 0.5μA.
APPLICATIONS
Electronic information organizers
Palmtops
Cellular and portable phones
Portable audio systems
Various multi-function power supplies
TYPICAL APPLICATION CIRCUIT
TYPICAL PERFORMANCE
CHARACTERISTICS
FEATURES
Input Voltage Range
: 0.9V ~ 10V
Operating Voltage Range : 2.0V ~ 10V
Output voltage Range : 1.5V ~ 6.5V programmable in
100mV increments (±2.5%)
Oscillation Frequency : 300kHz, 100kHz (±15%)
Custom products for
180kHz, 500kHz
Output Current
: More than 200mA
(VIN=1.8V, VOUT=3.3V)
High Efficiency
: 84% (TYP.)
Stand-by capability
: ISTB=0.5μA (MAX.)
Selection
: Soft-start set-up external
Output voltage set-up internal(VOUT)
Output voltage set-up external(FB)
Package
: SOT-25
GO-Compatible


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