MIC2981/2982 High-Voltage High-Current Source Driver Array Prelim

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MIC2981/2982 High-Voltage High-Current Source Driver Array Prelim

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MIC2981/2982
MIC2981/2982
High-Voltage High-Current Source Driver Array Preliminary Information
General
MIC2981/82 8-channel, high-voltage, high-current source driver array ideal switching high-power loads from logic-level TTL, CMOS, PMOS control signals. These drivers manage multiple loads 500mA, limited only package power dissipation. Micrel's MIC2981/82 features inputs compatible with CMOS PMOS logic outputs. Micrel's dualmarked device replaces either UDN2981 UDN2982 devices. MIC2981/82 available 18-pin plastic 18lead wide package. Both devices operate industrial temperature range.
Features
Output voltage Output current 500mA Transient-protected outputs Integral clamp diodes TTL, CMOS, PMOS compatible inputs
Applications
Relay solenoid switching Stepping motor incandescent displays
Ordering Information
Part Number MIC2981BN/ MIC2982BN* MIC2981BWM/ MIC2982BWM* Temperature Range -40°C +85°C -40°C +85°C Package 18-pin 18-pin wide
Orders MIC2981BN MIC2982BN will filled with dual-marked MIC2981/82BN. Orders MIC2981BWM MIC2982BWM will filled with dual-marked MIC2981/82BWM.
Functional Diagrams
OUT1
OUT2
OUT3
1.8k
IN4-IN7 OUT4-OUT7
1.5k
OUT8
MIC2981 MIC2982
Typical MIC2891/2982 Source Driver
Micrel, Inc. 1849 Fortune Drive Jose, 95131 (408) 944-0800 (408) 944-0970 http://www.micrel.com
November 1999
MIC2981/2982
MIC2981/2982
Configuration
OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8
18-Pin 18-Pin Wide (WM)
Description
11-18 IN1-IN8 OUT8-OUT1 Name Function Input through Input Base drive driver input transistor. Supply Input Ground Output through Output Emitter Darlington driver output.
MIC2981/2982
November 1999
MIC2981/2982
Absolute Maximum Ratings
Supply Voltage (VS) Output Voltage (VCE) Continuous Output Current (IC) 500mA Input Voltage (VIN) MIC2981/82 Ground Current (IGND) Junction Temperature (TJ) +150°C Storage Temperature (TS) -65°C +150°C
Operating Ratings
Supply Voltage (VS) Ambient Temperature (TA) -40°C +85°C Package Thermal Resistance PDIP 56°C/W 84°C/W
Electrical Characteristics
50V, +25°C, unless noted. Symbol ICEX VCE(sus) VCE(sat) Parameter Output Leakage Current Output Sustaining Voltage Collector-Emitter Saturation Voltage Condition 0.4V, +70°C, Note IOUT 45mA 2.4V, IOUT 100mA 2.4V, IOUT 225mA 2.4V, IOUT 350mA MIC2981 MIC2982 IOUT tOFF
Note Note
Units
1.25 1.93
IIN(on)
Input Current
2.4V 3.85 2.4V
Output Source Current Supply Current Turn-On Delay Turn-Off Delay Clamp Diode Leakage Current Clamp Diode Forward Voltage
2.4V, 2.2V 2.4, OUT1-8 open, Note 0.5EIN 0.5EOUT, 100, 35V, 0.5EIN 0.5EOUT, 100, 35V, Note 50V, 0.4V, Note 350mA
General Note: Devices protected; however, handling precautions recommended. Applied inputs simultaneously. Load conditions affect turnoff delay.
November 1999
MIC2981/2982
MIC2981/2982
Package Information
0.920 (23.370) .250±0.005 (6.350±0.127) 0.030-0.110 (0.762-2.794)
0.060±0.005 (1.524±0.127) 0.130±0.005 (3.302±0.127) 0.040 (1.016)
0.020 (0.508)
0.290-0.320 (7.336-8.128)
0°-10° 0.020 (0.508) 0.125 (3.175) +0.025 -0.015 +0.635 8.255 -0.381 0.325
0.018±0.003 (0.457±0.076)
0.100±0.010 (2.540±0.254)
18-Pin Plastic
0.301 (7.645) 0.297 (7.544)
DIMENSIONS: INCHES (MM)
0.027 (0.686) 0.031 (0.787)
0.103 (2.616) 0.050 (1.270) 0.016 (0.046) 0.099 (2.515)
0.094 (2.388) 0.090 (2.286)
0.459 (11.659) 0.455 (11.557)
0.015 (0.381) 0.015 (0.381) SEATING PLANE
0.297 (7.544) 0.293 (7.442)
0.022 (0.559) 0.018 (0.457)
0.330 (8.382) 0.326 (8.280) 0.032 (0.813) 0.408 (10.363) 0.404 (10.262)
18-Pin Wide (WM)
MICREL INC. 1849 FORTUNE DRIVE JOSE, 95131
(408) 944-0800
(408) 944-0970
http://www.micrel.com
This information believed accurate reliable, however responsibility assumed Micrel infringement patents other rights third parties resulting from use. license granted implication otherwise under patent patent right Micrel Inc. 1999 Micrel Incorporated
MIC2981/2982
November 1999

MIC2981/2982 High-Voltage High-Current Source Driver Array Prelim

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