XC6365A602EL datasheet, PDF - EEWORLD Datasheet

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XC6365A602EL: DescriptionPWM Controlled, PWM/PFM Switchable Step-Down DC/DC Converters; File Size1MB，25 Pages; ManufacturerTOREX; Websitehttp://www.torex.co.jp/chinese/

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XC6365A602EL Overview

PWM Controlled, PWM/PFM Switchable Step-Down DC/DC Converters

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XC6365/XC6366

Series

PWM Controlled, PWM/PFM Switchable Step-Down DC/DC Converters

ETR0501_003

☆GreenOperation-Compatible

■GENERAL

DESCRIPTION

The XC6365/XC6366 series are multi-functional step-down DC/DC converters with built-in high speed, low ON resistance

drivers. An output current of more than 1A is possible using an externally connected transistor, coil, diode and capacitor.

Output voltage is programmable in 0.1V increments between 1.5V to 6.0V (V

OUT

) (±2.5% accuracy). Further, with 1.0V of

standard voltage supply internal and using externally connected components, output voltage can be set up freely (FB). With

a 300kHz switching frequency, the size of the external components can be reduced.

Control switches from PWM to PFM during light loads with the XC6366 (PWM/PFM switchable) and the series is highly

efficient from light loads to large output currents.

In relation to soft-start time, both internally set-up 10ms types (A, B) and external resistor or capacitor regulated types (C, D)

are available.

During stand-by time (CE pin "Low" ), current consumption is reduced to less than 0.5μA.

With UVLO internal, the external transistor will be forcibly switched off if used below the stipulated voltage.

■APPLICATIONS

●Electronic

information organizers

●Palmtops

●Cellular

and portable phones

●Portable

audio systems

●Various

multi-function power supplies

■FEATURES

Input Voltage Range

: 2.2V ~ 10V (V

OUT

type)

Output Voltage Range

: 1.5V ~ 6.0V programmable in

0.1V increments (±2.5%)

Oscillation Frequency

: 300kHz (±15%)

: Custom products for 180, 500kHz

Output Current

High Efficiency

: More than 1.0A

=5.0V, V

OUT

=3.0V)

: 92% (TYP.)

Stand-by Capability

: ISTB=0.5μA (MAX.)

Soft-start time set-up externally type possible

Internally set-up output voltage type possible (V

OUT

)

Externally set-up output voltage type possible (FB)

Maximum Duty Ratio

: 100%

PWM/PFM Switching Control (XC6366)

Package

: SOT-25, USP-6C

■TYPICAL

APPLICATION CIRCUIT

■TYPICAL

PERFORMANCE

CHARACTERISTICS

1/24

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