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Micrel Semiconductor

MIC4427 Datasheet Preview

MIC4427 Datasheet

Dual 1.5A-Peak Low-Side MOSFET Driver

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MIC4426/4427/4428
Micrel, Inc.
MIC4426/4427/4428
Dual 1.5A-Peak Low-Side MOSFET Driver
General Description
The MIC4426/4427/4428 family are highly-reliable dual low-
side MOSFETdrivers fabricated on a BiCMOS/DMOS process
for low power consumption and high efficiency. These drivers
translate TTL or CMOS input logic levels to output voltage
levels that swing within 25mV of the positive supply or ground.
Comparable bipolar devices are capable of swinging only
to within 1V of the supply. The MIC4426/7/8 is available in
three configurations: dual inverting, dual noninverting, and
one inverting plus one noninverting output.
The MIC4426/4427/4428 are pin-compatible replacements
for the MIC426/427/428 and MIC1426/1427/1428 with im-
proved electrical performance and rugged design (Refer to
the Device Replacement lists on the following page). They
can withstand up to 500mA of reverse current (either polarity)
without latching and up to 5V noise spikes (either polarity)
on ground pins.
Primarily intended for driving power MOSFETs, MIC4426/7/8
drivers are suitable for driving other loads (capacitive, resistive,
or inductive) which require low-impedance, high peak current,
and fast switching time. Other applications include driving
heavily loaded clock lines, coaxial cables, or piezoelectric
transducers. The only load limitation is that total driver power
dissipation must not exceed the limits of the package.
Note See MIC4126/4127/4128 for high power and narrow
pulse applications.
Functional Diagram
Features
• Bipolar/CMOS/DMOS construction
• Latch-up protection to >500mA reverse current
• 1.5A-peak output current
• 4.5V to 18V operating range
• Low quiescent supply current
4mA at logic 1 input
400µA at logic 0 input
• Switches 1000pF in 25ns
• Matched rise and rall times
• 7Ω output impedance
• <40ns typical delay
• Logic-input threshold independent of supply voltage
• Logic-input protection to –5V
• 6pF typical equivalent input capacitance
• 25mV max. output offset from supply or ground
• Replaces MIC426/427/428 and MIC1426/1427/1428
• Dual inverting, dual noninverting, and inverting/
noninverting configurations
• ESD protection
Applications
• MOSFET driver
• Clock line driver
• Coax cable driver
• Piezoelectic transducer driver
VS
0.1mA
INA 2kΩ
0.6mA
INVERTING
NONINVERTING
OUTA
0.1mA
INB 2kΩ
0.6mA
INVERTING
NONINVERTING
GND
OUTB
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
April 2008
1 M9999-042108




Micrel Semiconductor

MIC4427 Datasheet Preview

MIC4427 Datasheet

Dual 1.5A-Peak Low-Side MOSFET Driver

No Preview Available !

MIC4426/4427/4428
Ordering Information
Micrel, Inc.
Part Number
Standard
Pb-Free
Temperature
Range
Package
Configuration
MIC4426BM
MIC4426YM
–40ºC to +85ºC
8-Pin SOIC
Dual Inverting
MIC4426CM
MIC4426ZM
–0ºC to +70ºC
8-Pin SOIC
Dual Inverting
MIC4426BMM
MIC4426YMM
–40ºC to +85ºC
8-Pin MSOP
Dual Inverting
MIC4426BN
MIC4426YN
–40ºC to +85ºC
8-Pin PDIP
Dual Inverting
MIC4426CN
MIC4426ZN
–0ºC to +70ºC
8-Pin PDIP
Dual Inverting
MIC4427BM
MIC4427YM
–40ºC to +85ºC
8-Pin SOIC
Dual Non-Inverting
MIC4427CM
MIC4427ZM
–0ºC to +70ºC
8-Pin SOIC
Dual Non-Inverting
MIC4427BMM
MIC4427YMM
–40ºC to +85ºC
8-Pin MSOP
Dual Non-Inverting
MIC4427BN
MIC4427YN
–40ºC to +85ºC
8-Pin PDIP
Dual Non-Inverting
MIC4427CN
MIC4427ZN
–0ºC to +70ºC
8-Pin PDIP
Dual Non-Inverting
MIC4428BM
MIC4428YM
–40ºC TO +85ºC
8-Pin SOIC
Inverting + Non-Inverting
MIC4428CM
MIC4428ZM
–0ºC to +70ºC
8-Pin SOIC
Inverting + Non-Inverting
MIC4428BMM
MIC4428YMM
–40ºC to +85ºC
8-Pin MSOP
Inverting + Non-Inverting
MIC4428BN
MIC4428YN
–40ºC to +85ºC
8-Pin PDIP
Inverting + Non-Inverting
MIC4428CN
MIC4428ZN
–0ºC to +70ºC
8-Pin PDIP
Inverting + Non-Inverting
Note
DESC standard military drawing 5962-88503 available;
MIC4426, CERDIP 8-Pin
SMD#: 5962-8850307PA
MIC4427, CERDIP 8-Pin
SMD#: 5962-8850308PA
MIC4428, CERDIP 8-Pin
SMD#: 5962-8850309PA
Micrel Part Number: 5952-8850307PA
Micrel Part Number: 5952-8850308PA
Micrel Part Number: 5952-8850309PA
MIC426/427/428 Device Replacement
Discontinued Number
MIC426CM
MIC426BM
MIC426CN
MIC426BN
MIC427CM
MIC427BM
MIC427CN
MIC427BN
MIC428CM
MIC428BM
MIC428CN
MIC428BN
Replacement
MIC4426BM
MIC4426BM
MIC4426BN
MIC4426BN
MIC4427BM
MIC4427BM
MIC4427BN
MIC4427BN
MIC4428BM
MIC4428BM
MIC4428BN
MIC4428BN
MIC1426/1427/1428 Device Replacement
Discontinued Number
MIC1426CM
MIC1426BM
MIC1426CN
MIC1426BN
MIC1427CM
MIC1427BM
MIC1427CN
MIC1427BN
MIC1428CM
MIC1428BM
MIC1428CN
MIC1428BN
Replacement
MIC4426BM
MIC4426BM
MIC4426BN
MIC4426BN
MIC4427BM
MIC4427BM
MIC4427BN
MIC4427BN
MIC4428BM
MIC4428BM
MIC4428BN
MIC4428BN
M9999-042108
2
April 2008


Part Number MIC4427
Description Dual 1.5A-Peak Low-Side MOSFET Driver
Maker Micrel Semiconductor
Total Page 9 Pages
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