Datasheet > ZXLD1601

ZXLD1601

更新时间： 2022-11-25 11:39:03

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	134K
描述
ADJUSTABLE DC - DC BOOST CONVERTER WITH INTERNAL SWITCH IN SC70

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ZXLD1601 数据手册

ZXLD1601

ADJ USTABLE DC - DC BOOST CONVERTER WITH INTERNAL SWITCH

IN SC70

DESCRIPTION

The ZXLD1601 is a PFM inductive boost converter Output voltage is set to a nom inal value between 26V

designed to provide output voltages of up to 28V from and 28V, by an internal resistor network, but can be

a 2.5V to 5.5V input supply.

adjusted to lower values by external resistors, an

external PWM control signal applied to the ‘Enable’

pin, or a com bination of the two. 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.

The ZXLD1601 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 Minim um output voltage is determ ined by the input

function is provided to reduce this current to less than supply.

100nA in the ‘off’ state.

The device is assem bled in a low profile SC70-6 pin

package.

ADVANCED FEATURES

APPLICATIONS

• LCD and OLED bias

• Internal 30V NDMOS switch, current sense and

output setting resistors.

• True analogue output voltage control via PWM

• Cellular / m obile phones

• Digital cam eras

with internal filter

FEATURES

• Low profile SC70-6 pin package

• PDAs

• LCD m odules

• Internal PWM filter for adjustable output

• High efficiency (85% typ)

• Varactor and PIN diode bias

• Palm top com puters

• 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

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

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