XC6377 Selling Leads, Price trend, XC6377 DataSheet download, circuit diagram from SeekIC.com

Features: Input voltage range: 1.8V~10VOutput voltage range: 1.5V~6.0V programmable in 0.1V steps (±2.5%)Oscillator frequency: 300kHz (±15%) Custom products for 180, 500kHzMax. output current: 500mA (min.)VIN=3.6V, VOUT=3.0VHigh Efficiency: 95% (typ.)Stand-by capability: ISTB=2.5A (max.)Soft-start...

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SeekIC No. : 004547973 Detail

XC6377: Features: Input voltage range: 1.8V~10VOutput voltage range: 1.5V~6.0V programmable in 0.1V steps (±2.5%)Oscillator frequency: 300kHz (±15%) Custom products for 180, 500kHzMax. output current: 500mA...

XC6377 Data Sheet

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Part Number:: XC6377
Supply Ability:: 5000

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Product Details

Description

Features:

Input voltage range: 1.8V~10V
Output voltage range: 1.5V~6.0V programmable in 0.1V steps (±2.5%)
Oscillator frequency: 300kHz (±15%) Custom products for 180, 500kHz
Max. output current: 500mA (min.)V_IN=3.6V, V_OUT=3.0V
High Efficiency: 95% (typ.)
Stand-by capability: I_STB=2.5A (max.)
Soft-start time set-up externally type
U.V.L.O, Pch boost, VOUT reset functions available
Internally set-up output voltage type (V_OUT)
Externally set-up output voltage type (FB)
Pchannel Power MOSFET built-in
Package: SOP-8

Application

Electronic Information Organizers
Palmtops
Cellular and portable phones
Portable Audio Systems
Various Multi-function Power Supplies

Pinout

Connection Diagram

Specifications

PARAMETER	SYMBOL	RATINGS	UNITS
V_IN Pin Voltage	V_IN	-0.3 ~ 12	V
V_OUT Pin Voltage (F_B Pin Voltage)	V_OUT (V_FB)	-0.3 ~ 12 (-0.3 ~ V_IN +0.3)	V
L_X Pin Voltage	_{I_LX}	V_IN-12 ~ V_IN +0.3	V
P_BST Pin Voltage	P_BST	V_IN-12 ~ V_IN +0.3	V
Other Pin Voltage	V~	-0.3 ~ V_IN +0.3	V
L_X Pin Current	I_LX	700	mA
EXT/1,2 Pin Current	I_EXT/1,2	±50	mA
Continuous Total Power Dissipation	P_d	300	mW
Operating Ambient Temperature	T_opr	-30 ~ +80
Storage Temperature	T_stg	-40 ~ +125

Description

The XC6377 series are step-down DC/DC converters with built-in P channel power MOSFETs. A highly efficient DC/DC converter with output currents of 500mA can be realised using only four peripherals - a coil, a diode and 2 capacitors.

Output voltage of XC6377 can be internally set-up in 0.1V increments (±2.5%) between 1.5V and 6.0V (V_OUT type). Alternatively, output voltage can be set-up at will using a 1.0V internal reference voltage source and peripherals (FB type). It is possible to reduce the size of the peripherals used since the switching frequency is 300kHz.

The PWM//PFM switchable XC6377 operates in PFM mode during light loads and is highly efficient from light loads to large output currents. Required values for soft start time can be regulated via the external capacitor and the stand-by function reduces supply current to less than 2.5A.

U.V.L.O and protection are built-in.

XC6377

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