HT7335 datasheet(1/12 Pages) HOLTEK

Part #	HT7335

Description	Low Power Consumption LDO

PDF	12 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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HT73XX

Low Power Consumption LDO

Selection Table

Part No.

Output Voltage

Package

Marking

HT7318

1.8V

TO-92

SOT-89

73XX-A (for TO-92)

73XX-A (for SOT-89)

HT7325

2.5V

HT7327

2.7V

HT7330

3.0V

HT7333

3.3V

HT7335

3.5V

HT7350

5.0V

Note:

²XX² stands for output voltages.

For lead free devices, TO-92 package will add a

²#² mark at the end of the date code, whereas SOT-89

package will add a

²#² mark at the end of the marking.

Rev. 1.40

1

January 12, 2006

Features

· Ultra low quiescent current: 3.5mA (typ.)

· High input voltage (up to 12V)

· Output voltage:

1.8V, 2.5V, 2.7V, 3.0V, 3.3V, 3.5V, 5.0V

· Output voltage accuracy: tolerance ±3%

· Maximum output current: 250mA

· Low dropout voltage

· Low temperature coefficient

· TO-92, SOT-89 package

Applications

· Battery-powered equipment

· Voltage regulator for microprocessor

· Voltage regulator for LAN cards

· Wireless Communication equipment

· Audio/Video equipment

General Description

The HT73XX series is a set of three-terminal, low power,

high voltage regulators implemented in CMOS technol-

ogy. The series features extremely low quiescent cur-

rent which is typically 3.5

mA . They allow input voltages

as high as 12V. The device provides large current with a

significantly small dropout voltage.

The HT73XX consists of a high-precision voltage refer-

ence, an error correction circuit, and a current limited

output driver. They are available with several fixed out-

put voltages ranging from 1.8V to 5.0V. CMOS technol-

ogy ensures low dropout voltage and low current

consumption. Although designed primarily as fixed volt-

age regulators, these devices can be used with external

components to generate variable voltages and currents.

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