MIC2981 Micrel Semiconductor, MIC2981 Datasheet

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MIC2981

Manufacturer Part Number
MIC2981
Description
High-Voltage High-Current Source Driver Array Preliminary Information
Manufacturer
Micrel Semiconductor
Datasheet

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General
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.
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 de-
vices.
The MIC2981/82 is available in the 18-pin plastic DIP and 18-
lead wide SOP package. Both devices operate in the indus-
trial temperature range.
Functional Diagrams
November 1999
MIC2981/2982
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
IN4–IN7
IN1
IN2
IN3
IN8
V
S
MIC2981
MIC2982
4
OUT1
OUT2
OUT3
OUT4–OUT7
OUT8
GND
1
Features
• Output voltage to 50V
• Output current to 500mA
• Transient-protected outputs
• Integral clamp diodes
• TTL, CMOS, or PMOS compatible inputs
Applications
• Relay and solenoid switching
• Stepping motor
• LED and incandescent displays
Ordering Information
* Orders for MIC2981BN or MIC2982BN will be filled with dual-marked
High-Voltage High-Current Source Driver Array
Part Number
MIC2981BN/
MIC2982BN*
MIC2981BWM/
MIC2982BWM*
MIC2981/82BN. Orders for MIC2981BWM or MIC2982BWM will be
filled with dual-marked MIC2981/82BWM.
GND
IN
Typical MIC2891/2982 Source Driver
Preliminary Information
MIC2981/2982
Temperature Range
–40 C to +85 C
–40 C to +85 C
20k
1.5k
1.8k
V
S
800
18-pin wide SOP
18-pin DIP
Package
MIC2981/2982
OUT
Micrel

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MIC2981 Summary of contents

Page 1

... Relay and solenoid switching • Stepping motor • LED and incandescent displays Ordering Information Part Number MIC2981BN/ MIC2982BN* MIC2981BWM/ MIC2982BWM* * Orders for MIC2981BN or MIC2982BN will be filled with dual-marked MIC2981/82BN. Orders for MIC2981BWM or MIC2982BWM will be filled with dual-marked MIC2981/82BWM. OUT1 OUT2 OUT3 IN OUT4–OUT7 OUT8 ...

Page 2

... MIC2981/2982 Pin Configuration Pin Description Pin No. Pin No. 1–8 IN1–IN8 GND 11–18 OUT8–OUT1 MIC2981/2982 IN1 1 IN2 2 IN3 3 IN4 4 IN5 5 IN6 6 IN7 7 IN8 18-Pin DIP (N) 18-Pin Wide SOP (WM) Pin Name Input 1 through Input 8: Base drive to driver input transistor. ...

Page 3

... MIC2981/2982 Absolute Maximum Ratings Supply Voltage (V ) ...................................................... 50V S Output Voltage (V ) .................................................... 50V CE Continuous Output Current (I ) ................................ 500mA C Input Voltage ( MIC2981/82 ............................................................... 30V Ground Current (I ) .................................................... 3A GND Junction Temperature (T ) ...................................... +150 C J Storage Temperature (T ) ....................... – +150 C S Electrical Characteristics V = 50V +25 C, unless noted Symbol ...

Page 4

... This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc. MIC2981/2982 0.920 MAX (23 ...

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