UTC3563, UTC358D, UTC358L Selling Leads, Datasheet
MFG:UTC Package Cooled:DIP-8 D/C:05+
UTC3563, UTC358D, UTC358L Datasheet download
Part Number: UTC3563
MFG: UTC
Package Cooled: DIP-8
D/C: 05+
UTC3563, UTC358D, UTC358L
- Table of contents:
Info of UTC3563
Info of UTC358D
Info of UTC358L
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About UTC3563
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Datasheet: UTC3563
File Size: 110702 KB
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About UTC 51494
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Datasheet: UTC 51494
File Size: 114458 KB
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About UTC 51494
PDF/DataSheet Download
Datasheet: UTC 51494
File Size: 114458 KB
Manufacturer:
Download : Click here to Download
UTC3563 General Description
The UTC 3563 is a monolithic control circuit containing the primary functions required for DC to DC converters and highside-sensed constant current source. The device 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. This device 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 UTC 3563 can deliver 1.5A continuous current without requiring a heat sink.
UTC3563 Maximum Ratings
| 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 |
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.
·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.
UTC3563 Typical Application
·Constant current source for battery chargers.
·Saver for cellular phones.
·Step-Down DC-DC converter module.
·Saver for cellular phones.
·Step-Down DC-DC converter module.
UTC3563 Connection Diagram
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