Datasheet > 驱动程序和接口 > MOSFET 驱动器> SC1405D

SC1405D

更新时间： 2024-01-21 09:45:51

品牌	Logo	应用领域
商升特 - SEMTECH		驱动器
页数	文件大小	规格书
14页	248K
描述
High Speed Synchronous Power MOSFET Smart Driver

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SC1405D 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	TSSOP
包装说明：	TSSOP,	针数：	14
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.83
高边驱动器：	YES	接口集成电路类型：	HALF BRIDGE BASED MOSFET DRIVER
JESD-30 代码：	R-PDSO-G14	JESD-609代码：	e3
长度：	5 mm	功能数量：	1
端子数量：	14	最高工作温度：	125 °C
最低工作温度：		标称输出峰值电流：	2 A
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	Not Qualified
座面最大高度：	1.2 mm	最大供电电压：	6 V
最小供电电压：	4.15 V	标称供电电压：	5 V
表面贴装：	YES	温度等级：	OTHER
端子面层：	MATTE TIN	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	断开时间：	40 µs
接通时间：	72 µs	宽度：	4.4 mm
Base Number Matches：	1

SC1405D 数据手册

SC1405D

High Speed Synchronous Power

MOSFET Smart Driver

POWER MANAGEMENT

Features

Description

The SC1405D is a Dual-MOSFET Driver with an internal

Overlap Protection Circuit to prevent shoot-through. Each

driver is capable of driving a 3000pF load in 15ns rise/

fall time and has ULTRA-LOW propagation delay from in-

put transition to the gate of the power FETs. Adaptive

Overlap Protection circuit ensures that the synchronous

FET does not turn on until the top FET source has reached

a voltage low enough to prevent shoot-through. The de-

lay between the bottom gate going low to the top gate

transitioning high is externally programmable via a ca-

pacitor to minimize dead time. The bottom FET may be

disabled at light loads by keeping S_MOD low to trigger

asynchronous operation, thus saving the bottom FET’s

gate drive current and inductor ripple current.

^{Fast rise and fall times (15ns with}P³R⁰⁰E⁰L^pIM^{f lo}IN^adA⁾RY

14ns max. Propagation delay (BG going with low)

Adaptive and programmable shoot-through

protection

Adaptive overvoltage protection

Wide input voltage range (4.5V - 25V)

Programmable delay between FETs

Power saving asynchronous mode control

Output overvoltage protection/overtemp shutdown

Under-Voltage lock-out and power ready signal

Less than 10µA stand-by current (EN=low)

Power ready output signal

High frequency (to 1.2MHz) operation allows use of

small inductors and low cost caps in place of

electrolytics

An internal voltage reference allows threshold adjustment

for an Output Over-Voltage protection circuitry, indepen-

dent of the PWM controller. The device provides over-

voltage protection independent of the PWM feedback

loop with a unique “adaptive OVP” comparator which re-

jects noise but responds quickly to a true OVP situation.

TSSOP-14 package

Applications

High Density/Fast transient microprocessor power

supplies

Motor Drives/Class-D amps

High efficiency portable computers

Under-Voltage-Lock-Out circuit is included to guarantee

that both driver outputs are off when Vcc is less than or

equal to 4.4V (typ) at supply ramp up (4.35V at supply

ramp down). A CMOS output provides status indication

of the 5V supply. A low enable input places the IC in stand-

by mode, reducing supply current to less than 10µA.

Typical Application Circuit

www.semtech.com

Revision: June 8, 2005

12 3 4 5 6 7...14

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与SC1405D相关器件

型号	品牌	获取价格	描述	数据表
SC1405DISTR	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 3A, PDSO14, SOIC-14
SC1405DISTRT	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 3A, PDSO14, SOIC-14
SC1405DITSTR	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 3A, PDSO14, TSSOP-14
SC1405DITSTRT	SEMTECH	获取价格	High Speed Synchronous Power MOSFET Smart Driver
SC1405TS	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 2A, CMOS, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405TS.TR	SEMTECH	获取价格	HIGH SPEED SYNCHRONOUS POWER MOSFET SMART DRIVER
SC1405TS.TRT	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 2A, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405TST	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 2A, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405TSTR	SEMTECH	获取价格	暂无描述
SC1406	SEMTECH	获取价格	PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER

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