Datasheet > SIP42104

SIP42104

更新时间： 2024-09-17 09:25:11

品牌	Logo	应用领域
威世 - VISHAY		驱动器脉冲数码相机控制器
页数	文件大小	规格书
11页	522K
描述
H-Bridge Driver and Pulse Width Controller for Digital Camera Micro Modules

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SIP42104 数据手册

SiP42104

Vishay Siliconix

H-Bridge Driver and Pulse Width Controller

for Digital Camera Micro Modules

FEATURES

DESCRIPTION

•

Low supply range: 2.3 to 4.2 V

Low R_H: 0.85 Ω at 2.8 V and 150 mA

Output current up to 250 mA

Output voltage direction depends on input

Rising or falling edges

Break before make cross-over protection

300 ns de-glitch circuit

Programmable RC timer to set output pulse width

Sub micro-amp quiescent current

The SiP42104 is a 250 mA integrated H-bridge driver and

programmable output-pulse-width controller. It offers a

complete and cost-effective solution for micro camera focus

module applications such as shutter, iris, lens cover and

Infrared filter drivers. The output voltage direction of the

H-bridge is set by the presence of the rising or falling edge

at the digital interface pin IN and the corresponding

on-duration is set by the RC pin time constant. During

time-out, the input deglitcher-latch is transparent to

input noise durations of less than 300 ns. Internal

breakbefore-make prevents output shoot-through. When the

H-bridge turns off after time-out, the lower N-channel

MOSFETs are turned on for a short interval to prevent

turning on their body diodes. The low IN threshold logic and

the sub micro-amp steady state quiescent current is ideal for

low battery applications.

RoHS

COMPLIANT

•

• SC89-6L package (1.6 x 1.6 x 0.6 mm)

APPLICATIONS

•

Digital camera

Cell phones

Small DC motor control

Dual-stage latchable relay driver

The SiP42104 is offered in the ultra-small lead (Pb)-free

SC-89 package (SOT666) and it is rated over the industrial

ambient range of - 40 °C to + 85 °C.

TYPICAL APPLICATION CIRCUIT

V_DD

INPUT

BUFFER

AND

OUT2

SW2

DEGLITCHER

1.75 µA

SW1

L_LOAD

H-BRIDGE

DRIVER

AND

TIMER

AND

PULSE WIDTH

CONTROLLER

BBM

R_LOAD

OUT1

GND

Figure 1.

Document Number: 74633

S-80224-Rev. C, 04-Feb-08

www.vishay.com

12 3 4 5 6 7...11

中文翻译

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