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MIC2981/2982
General
Micrel, Inc.
MIC2981/2982
High-Voltage High-Current Source Driver Array
Features
The MIC2981/82 is an 8-channel, high-voltage, high-current
source driver array ideal for switching high-power loads from
logic-level TTL, CMOS, or PMOS control signals.
These drivers can manage multiple loads of up to 50V and
500mA, limited only by package power dissipation.
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Output voltage to 50V
Output current to 500mA
Transient-protected outputs
Integral clamp diodes
TTL, CMOS, or PMOS compatible inputs
Micrel’s MIC2981/82 features inputs compatible with 5V TTL
and 5V to 15V CMOS or PMOS logic outputs. Micrel’s
dual-marked device replaces either UDN2981 or UDN2982
devices.
The MIC2981/82 is available in the 18-pin plastic DIP and
18-lead wide SOP package. Both devices operate in the
industrial temperature range.
Ordering Information
Part Number
Applications
? Relay and solenoid switching
? Stepping motor
? LED and incandescent displays
Reference
MIC2981BN**
MIC2982BN**
MIC2981BWM**
MIC2982BWM**
Manufacturing*
MIC2981/82BN
MIC2981/82BN
MIC2981/82BWM
MIC2981/82BWM
PbFree
MIC2981/82YN
MIC2981/82YN
MIC2981/82YWM
MIC2981/82YWM
Temperature Range
–40oC to +85oC
–40oC to +85oC
–40oC to +85oC
–40oC to +85oC
Package
18-pin DIP
18-pin DIP
18-pin wide SOP
18-pin wide SOP
* Order entry P/N.
**Orders for MIC2981BN or MIC2982BN will be filled with dual-marked MIC2981/82BN.
**Orders for MIC2981YN or MIC2982YN will be filled with dual-marked MIC2981/82YN.
**Orders for MIC2981BWM or MIC2982BWM will be filled with dual-marked MIC2981/82BWM.
**Orders for MIC2981YWM or MIC2982YWM will be filled with dual-marked MIC2981/82YWM.
Functional Diagrams
IN1
IN2
IN3
OUT1
OUT2
OUT3
20k
V S
1.8k
IN4–IN7
4
OUT4–OUT7
IN
800 ?
IN8
OUT8
1.5k
OUT
GND
V S
MIC2981
GND
Typical MIC2891/2982 Source Driver
MIC2982
Micrel, Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel + 1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
June 2005
1
MIC2981/2982
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功能描述:闭锁 Hi-Voltage, Hi-Current Source Driver Array - Lead Free
RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel
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RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485
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