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MIC5021 Datasheet(PDF) 4 Page - Micrel Semiconductor

Part # MIC5021
Description  High-Speed High-Side MOSFET Driver
PDF  10 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC5021 Datasheet(HTML) 4 Page - Micrel Semiconductor

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MIC5021
Micrel, Inc.
MIC5021
4
July 2005
0.0
0.5
1.0
1.5
2.0
2.5
5
10 15 20 25 30 35 40
VSUPPLY (V)
Supply Current vs.
Supply Voltage
VIN = 0V
VIN = 5V
650
700
750
800
850
900
5
10 15 20 25 30 35 40
VSUPPLY (V)
Gate Turn-On Dalay vs.
Supply Voltage
VGATE = VSUPPLY + 4V
CL = 1500pF(IRCZ34)
CBOOST= 0.01µF
INCLUDES PROPAGATION DELAY
750
800
850
900
950
1000
5
10 15 20 25 30 35 40
VSUPPLY (V)
Gate Turn-On Delay vs.
Supply Voltage
VGATE = VSUPPLY + 10V
CL = 1500pF(IRCZ34)
CBOOST= 0.01µF
INCLUDES PROPAGATION DELAY
0.0
0.5
1.0
1.5
2.0
2.5
1x100 1x101 1x102 1x103 1x104 1x105
CGATE (pF)
Gate Turn-On Delay vs.
Gate Capacitance
VGATE = VSUPPLY + 4V
VSUPPLY = 12V
INCLUDES PROPAGATION DELAY
750
1000
1250
1500
1750
2000
5
10 15 20 25 30 35 40
VSUPPLY (V)
Gate Turn-Off Delay vs.
Supply Voltage
VGATE = VSUPPLY + 4V
RL = 400
INCLUDES PROPAGATION DELAY
CGATE = 1500pF
(IRCZ34)
0
5
10
15
20
25
0.1
1
10
100 1000 10000
CT (pF)
NOTE:
tON, tOFF TIME
INDEPENDENT
OF VSUPPLY
Overcurrent Retry Duty
Cycle vs. Timing Capacitance
tON = 5µs
VSUPPLY = 12V
0
5
10
15
20
25
5
10 15 20 25 30 35 40
VSUPPLY (V)
Gate Voltage Change
vs. Supply Voltage
VGATE = VGATE – VSUPPLY
0
20
40
60
80
100
0
5
10
15
20
25
VIN (V)
Input Current vs.
Input Voltage
VSUPPLY = 12V
Typical Characteristics
Timing Diagram 2. Fault Condition, CT = Open
Timing Diagram 3. Fault Condition, CT = Grounded
Input
0V
TTL (H)
Source
50mV
Sense +,–
Differential
Gate
0V
15V (max.)
6µs
20µs
Input
0V
TTL (H)
Source
50mV
Sense +,–
Differential
Gate
0V
15V (max.)
6µs
Input
0V
TTL (H)
Source
50mV
Sense +,–
Differential
Gate
0V
15V (max.)
Timing Diagram 1. Normal Operation
20
30
40
50
60
70
80
-60 -30 0
30 60 90 120 150
TEMPERATURE (°C)
Sense Threshold vs.
Temperature



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