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L4963W Datasheet

  • L4963W

  • 1.5A SWITCHING REGULATOR

  • 17頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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L4963
L4963D
1.5A SWITCHING REGULATOR
1.5A OUTPUT LOAD CURRENT
5.1 TO 36V OUTPUT VOLTAGE RANGE
DISCONTINUOUS VARIABLE FREQUENCY
MODE
PRECISE (+/鈥?%) ON CHIP REFERENCE
VERY HIGH EFFICIENCY
VERY FEW EXTERNAL COMPONENTS
NO FREQ. COMPENSATION REQUIRED
RESET AND POWER FAIL OUTPUT FOR MI-
CROPROCESSOR
INTERNAL CURRENT LIMITING
THERMAL SHUTDOWN
Powerdip12+3+3
SO20
ORDERING NUMBERS:
DESCRIPTION
The L4963 is a monolithic power switching regulator
delivering 1.5A at 5.1V. The output voltage is adjust-
able from 5.1V to 36V, working in discontinuous
variable frequency mode. Features of the device
include remote inhibit, internal current limiting and
thermal protection, reset and power fail outputs for
microprocessor.
BLOCK DIAGRAM
L4963W
L4963D
The L4963 is mounted in a 12+3+3 lead Powerdip
(L4963) and SO20 large (L4963D) plastic pack-
ages and requires very few external components.
June 2000
This is advanced information on a new product now in development or underogin evaluation. Details are subject to change without notice.
1/17

L4963W 產(chǎn)品屬性

  • L4963 View All Specifications

  • 20

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器

  • -

  • 降壓（降壓）

  • 可調(diào)式

  • 1

  • 5.1 V ~ 36 V

  • 9 V ~ 46 V

  • -

  • 42kHz ~ 83kHz

  • 1.5A

  • 無

  • 0°C ~ 125°C

  • 通孔

  • 18-DIP（0.300"，7.62mm）

  • 管件

  • 18-DIP

  • 497-6696-5L4963W-ND

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