Datasheet > ZXLD1615

ZXLD1615

更新时间： 2024-11-26 22:06:11

品牌	Logo	应用领域
捷特科 - ZETEX		转换器开关升压转换器
页数	文件大小	规格书
12页	180K
描述
ADJUSTABLE DC-DC BOOST CONVERTER WITH INTERNAL SWITCH IN TSOT23-5

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中文翻译

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ZXLD1615 数据手册

ZXLD1615

ADJ USTABLE DC-DC BOOST CONVERTER WITH INTERNAL SWITCH IN

TSOT23-5

DESCRIPTION

The ZXLD1615 is a PFM inductive boost converter

designed to provide output voltages of up to 28V

from a 2.5V to 5.5V input supply.

Nom inal output voltage can be set up to a m axim um

of 28V by two external resistors and can be adjusted

to lower values by a PWM control signal applied to

the 'Enable' pin. Depending upon the control

frequency, the PWM signal will provide either

continuous (low ripple) or gated control. The PWM

filter com ponents are contained within the chip.

Minim um output voltage is determ ined by the input

supply.

The ZXLD1615 includes the output switch and peak

current sense resistor, and can provide up to 10m A

output current at m axim um output voltage. Higher

current is available at lower output voltages.

Quiescent current is typically 60␮A and a shutdown

function is provided to reduce this current to less

than 100nA in the 'off' state.

The device is assem bled in a low profile TSOT23-5

pin package.

ADVANCED FEATURES

• Internal 30V NDMOS switch

APPLICATIONS

• True analog output voltage control via PWM

• LCD and OLED bias

with internal filter

• Cellular / m obile phones

• Digital cam eras

• PDAs

FEATURES

• Low profile TSOT23-5 pin package

• Internal PWM filter for adjustable output

• High efficiency (85% typ)

• LCD m odules

• Varactor and PIN diode bias

• Wide input voltage range: 2.5V to 5.5V

• Up to 250m A output current at 5V

• Low quiescent current: (60␮A typ)

• 100nA m axim um shutdown current

• Up to 1MHz switching frequency

• Low external com ponent count

• Palm top com puters

TYPICAL APPLICATION CIRCUIT

PINOUT

TOP VIEW

ISSUE 3 - AUGUST 2004

S E M IC O N D U C T O R S

12 3 4 5 6 7...12

中文翻译

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