MIC5021 Micrel Semiconductor, MIC5021 Datasheet - Page 4

• Manufacturer Part Number: MIC5021
• Description: High-Speed High-Side MOSFET Driver
• Manufacturer: Micrel Semiconductor

MIC5021
Typical Characteristics
Timing Diagram 2. Fault Condition, C
1000
Differential
950
900
850
800
750
Sense +, –
2.5
2.0
1.5
1.0
0.5
0.0
25
20
15
10
Cycle vs. Timing Capacitance
5
0
0.1
5
5
Overcurrent Retry Duty
NOTE:
t
INDEPENDENT
ON
OF V
Gate Turn-On Delay vs.
Input
INCLUDES PROPAGATION DELAY
Gate
10 15 20 25 30 35 40
10 15 20 25 30 35 40
Supply Current vs.
, t
1
OFF
Supply Voltage
Supply Voltage
SUPPLY
V
C
GATE
V
TIME
L
V
V
15V (max.)
IN
= 1500pF (IRCZ34)
10
SUPPLY
SUPPLY
V
C
= 0V
IN
C
TTL (H)
= V
Source
T
BOOST
50mV
= 5V
V
(pF)
SUPPLY
100
SUPPLY
0V
0V
t
ON
(V)
(V)
= 0.01 F
= 5 s
1000 10000
= 12V
+ 10V
6µs
Differential
Sense +, –
20µs
Timing Diagram 1. Normal Operation
Input
Gate
T
= Open
100
15V (max.)
2.5
2.0
1.5
1.0
0.5
0.0
80
60
40
20
25
20
15
10
1x10
0
5
0
TTL (H)
0
5
Source
50mV
V
V
0
Gate Turn-On Delay vs.
GATE
SUPPLY
INCLUDES PROPAGATION DELAY
0V
0V
Gate Voltage Change
10 15 20 25 30 35 40
1x10
V
vs. Supply Voltage
GATE
Gate Capacitance
5
Input Current vs.
= V
Input Voltage
1
= 12V
1x10
= V
C
V
5-172
SUPPLY
10
SUPPLY
GATE
V
GATE
IN
2
V
1x10
(V)
(pF)
SUPPLY
15
+ 4V
– V
(V)
3
Differential
Sense +, –
Timing Diagram 3. Fault Condition, C
SUPPLY
1x10
= 12V
20
4
Input
Gate
1x10
25
5
15V (max.)
TTL (H)
Source
50mV
0V
0V
2000
1750
1500
1250
1000
6µs
900
850
800
750
700
650
750
80
70
60
50
40
30
20
-60 -30
5
5
V
R
Gate Turn-Off Delay vs.
Gate Turn-On Delay vs.
INCLUDES PROPAGATION DELAY
GATE
L
INCLUDES PROPAGATION DELAY
10 15 20 25 30 35 40
10 15 20 25 30 35 40
Sense Threshold vs.
= 400
TEMPERATURE ( C)
Supply Voltage
Supply Voltage
= V
Temperature
C
V
0
L
GATE
V
V
SUPPLY
= 1500pF (IRCZ34)
SUPPLY
SUPPLY
C
(IRCZ34)
30 60 90 120 150
C
GATE
= V
BOOST
+ 4V
SUPPLY
(V)
(V)
= 1500pF
T
= 0.01 F
= Grounded
October 1998
+ 4V
Micrel