Datasheet > HT9261-XX2RN

HT9261-XX2RN

更新时间： 2024-01-15 19:31:54

品牌	Logo	应用领域
华芯邦 - HOTCHIP		/
页数	文件大小	规格书
13页	1137K
描述
Deliver 200mA at 3.3V Output voltage with 1.8V input Voltage

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HT9261-XX2RN 数据手册

HT9261(A)

PFM STEP-UP DC/DC CONVERTER WITH HIGH EFFICIENCY AND LOW NOISE

OUTLINE

FEATURES

The HT9261 series are CMOS-based PFM

step-up DC-DC Converter. The converter can

start up by supply voltage as low as 0.8V, and

capable of delivering maximum 200mA output

current at 3.3V output with 1.8V input

Voltage.Quiescent current drawn from power

source is as low as 7uA. All of these features

make HT9261 series be suitable for the

portable devices, which are supplied by a

single battery to four-cell batteries.

 Deliver 200mA at 3.3V Output voltage with

1.8V input Voltage

 Low start-up voltage (when the output

current is 1mA)-------0.8V

 The converter output voltage can be

adjusted from 2.5V～6.0V(In 0.1V step).

 Output voltage accuracy -----------±2 ％

 Low temperature-drift coefficient of the

output voltage---------------- 100ppm/℃

 Only three external components are

necessary: An inductor, a Schottky diode

and an output filter capacitor

To reduce the noise caused by the switch

regulator, HT9261 is well considerated in circuit

design and manufacture, so that the interferer

to other circuits by the device is reduced

greatly.

 High power conversion efficiency---85％

 Low quiescent current drawn from power

source---------- <7uA

HT9261 integrates stable reference circuits

and trimming technology, so it can afford high

precision and low temperature-drift coefficient

of the output voltage.

APPLICATIONS

 Power source for PDA、DSC、MP3 Player、

electronic toy and wireless mouse

HT9261 is available in SOT-89-3、SOT-23-3

and SOT-23-5 packages which is PB free. And

in 5-pin packages, such as SOT-23-5, the

device can be switch on or off easily by CE pin,

to minimize the standby supply current

 Power source for a single or dual-cell

battery-powered equipments

 Power source for LED

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