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MIC5842YV-TR

P1-P3P4-P6P7-P8
MIC5841/5842
8-Bit Serial-Input Latched Drivers
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (
408
) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
May 2006
M9999-050506
(408) 955-1690
General Description
Using BiCMOS technology, the MIC5841/5842 integrated
circuits were fabricated to be used in a wide variety of
peripheral power driver applications. The devices each
have an eight-bit CMOS shift register, CMOS control
circuitry, eight CMOS data latches, and eight bipolar
current-sink Darlington output drivers.
These two devices differ only in maximum voltage ratings.
The MIC5842 offers premium performance with a
minimum output breakdown voltage rating of 80V (50V
sustaining). The drivers can be operated with a split supply
where the negative supply is down to –20V.
The 500mA outputs, with integral transient-suppression
diodes, are suitable for use with lamps, relays, solenoids
and other inductive loads.
These devices have improved speed characteristics. With
a 5V logic supply, they will typically operate faster than
5 MHz. With a 12V supply, significantly higher speeds are
obtained. The CMOS inputs are compatible with standard
CMOS, PMOS, and NMOS logic levels. TTL or DTL
circuits may require the use of appropriate pull-up
resistors. By using the serial data output, the drivers can
be cascaded for interface applications requiring additional
drive lines.
The MIC5840 family is available in DIP, PLCC, and SOIC
packages. Because of limitations on package power
dissipation, the simultaneous operation of all drivers at
maximum rated current might require a reduction in duty
cycle. A copper-alloy lead frame provides for maximum
package power dissipation.
Features
• 3.3 MHz Minimum Data-Input Rate
• CMOS, PMOS, NMOS, TTL Compatible
• Internal Pull-Up/Pull-Down Resistors
• Low-Power CMOS Logic and Latches
• High-Voltage Current-Sink Outputs
• Output Transient-Protection Diodes
• Single or Split Supply Operation
Ordering Information
Part Number
Standard Pb-Free
Temperature Range Package
MIC5841BN MIC5841YN
–40ºC to +85ºC
18-Pin Plastic DIP
MIC5841BV MIC5841YV
–40ºC to +85ºC
20-Pin PLCC
MIC5841BWM MIC5841YWM
–40ºC to +85ºC
18-Pin Wide SOIC
MIC5842BN MIC5842YN
–40ºC to +85ºC
18-Pin Plastic DIP
MIC5842BV MIC5842YV
–40ºC to +85ºC
20-Pin PLCC
MIC5842BWM MIC5842YWM
–40ºC to +85ºC
18-Pin Wide SOIC
Micrel, Inc. MIC5841/42
May 2006
2
M9999-050506
(408) 955-1690
Functional Diagram
8-BIT SERIAL-PARALLEL SHIFT REGISTER
6
SERIAL
DATA OUT
CLK
1
3
4
SERIAL
DATA IN
V
SS
11
V
DD
STROBE
OUTPUT ENABL
E
(ACTIVE LOW)
Bipolar
MOS
LATCHES
OUT
8
12131415161718
OUT
7
OUT
6
OUT
5
OUT
4
OUT
3
OUT
2
OUT
1
5
7
8
Sub
V
EE
9
1
10
K
Micrel, Inc. MIC5841/42
May 2006
3
M9999-050506
(408) 955-1690
Absolute Maximum Ratings
(1,2,3)
At 25°C Free-Air Temperature and V
SS
................... 0V
Output Voltage, V
CE
(MIC5841) ............................. 50V
(MIC5842) .............................. 80V
Output Voltage, V
CE(SUS)
(MIC5841)
(1)..................................
35V
(MIC5842) ........................ 50V
Logic Supply Voltage, V
DD
....................................... 15V
VDD with Reference to V
EE
..................................... 25V
Emitter Supply Voltage, V
EE
...................................–20V
Input Voltage Range, V
IN
............... –0.3V to V
DD
+ 0.3V
Continuous Output Current, I
OUT
.........................500mA
Package Power Dissipation, P
D
(2)
........................1.82W
Operating Temperature Range, T
A
.......–55°C to +85°C
Storage Temperature Range, T
S
........–65°C to +150°C
Electrical Characteristics
At T
A
= 25°C V
DD
= 5V, V
SS
= V
EE
= 0V (unless otherwise noted)
Limits
Characteristic Symbol Applicable Devices Test Conditions
Min Max Unit
V
OUT
= 50V 50 MIC5841
V
OUT
= 50V, T
A
= +70ºC 100
V
OUT
= 80V 50
Output Leakage Current I
CEX
MIC5842
V
OUT
= 80V, T
A
= +70ºC 100
µA
I
OUT
= 100mA 1.1
I
OUT
= 200mA 1.3
Collector-Emitter Saturation Voltage V
CE(SAT)
Both
I
OUT
= 350mA, V
DD
= 7.0V 1.6
V
MIC5841 I
OUT
= 350mA, L = 2mH 35 Collector-Emitter Saturation Voltage V
CE(SUS)
(5)
MIC5842 I
OUT
= 350mA, L = 2mH 50
V
V
IN(0)
Both 0.8
V
DD
= 12V 10.5
V
DD
= 10V 8.5
Input Voltage
V
IN(1)
Both
V
DD
= 5.0V(4) 3.5
V
V
DD
= 12V 50
V
DD
= 10V 50
Input Resistance R
IN
Both
V
DD
= 5.0V 50
kΩ
All Drivers ON, V
DD
= 12V 16
All Drivers ON, V
DD
= 10V 14
IDD
(ON)
Both
All Drivers ON, V
DD
= 5.0V 8.0
All Drivers OFF, V
DD
= 12V 2.9
All Drivers OFF, V
DD
= 10V 2.5
Supply Current
IDD
(OFF)
Both
All Drivers OFF, V
DD
= 5.0V 1.6
1.6
MIC5841 V
R
= 50V 50 Clamp Diode Leakage Current I
R
MIC5842 V
R
= 80V 50
µA
Clamp Diode Forward Voltage V
F
Both I
F
= 350mA 2.0 V
P1-P3P4-P6P7-P8

MIC5842YV-TR

Mfr. #:
Buy MIC5842YV-TR
Manufacturer:
Microchip Technology / Micrel
Description:
Latches 8-Bit Serial-in Latched Driver, Diodes
Lifecycle:
New from this manufacturer.
Delivery:
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