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UTC3563

Features: ·3V to 30V input voltage operation.·Internal 2A peak current switch.·1.5A continuous output current.·Bootstrapped driver.·High side current sense capability.·High efficiency (up to 90%)·Internal ±2% reference.·Low quiescent current at 1.6mA.·Frequency operation from 100Hz to 100KHz.Appli...

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SeekIC No. : 004539238 Detail

UTC3563: Features: ·3V to 30V input voltage operation.·Internal 2A peak current switch.·1.5A continuous output current.·Bootstrapped driver.·High side current sense capability.·High efficiency (up to 90%)·In...

UTC3563 Data Sheet

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Part Number:
UTC3563
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/13

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Product Details

Description



Features:

·3V to 30V input voltage operation.
·Internal 2A peak current switch.
·1.5A continuous output current.
·Bootstrapped driver.
·High side current sense capability.
·High efficiency (up to 90%)
·Internal ±2% reference.
·Low quiescent current at 1.6mA.
·Frequency operation from 100Hz to 100KHz.


Application

·Constant current source for battery chargers.
·Saver for cellular phones.
·Step-Down DC-DC converter module.


Pinout

Connection Diagram


Specifications

PARAMETER SYMBOL VALUE UNIT
Supply Voltage VCC 30 V
Comparator input voltage range Vi -0.3~+30 V
Switch collector voltage VC(switch)
 30 V
Switch emitter Voltage VE(switch) 30 V
Switch collector to emitter voltage VCE(switch) 30 V
Driver collector Voltage VC(driver) 30 V
Switch current ISW 2 A
Power dissipation (Ta=25°C)
DIP-8
SOP-8		   1000
625		 mW
mW
Thermal Resistance
DIP-8
SOP-8		   100
160		 /W
/W
Operating junction temperature Tj 125
Operating ambient temperature range Ta 0~+70
Storage temperature range Tstg -65~+150



Description

The UTC3563 is a monolithic control circuit containing the primary functions required for DC to DC converters and highside-sensed constant current source. The UTC3563 consists of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current sense circuit, bootstrapped driver, and high current output switch. The UTC3563 is specifically designed to construct a constant current source for battery chargers with a minimum number of external components. Bootstrapped driver can drive the NPN output switch to saturation for higher efficiency and less heat dissipation. The UTC3563 can deliver 1.5A continuous current without requiring a heat sink.




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