MIC5021 Micrel Semiconductor, MIC5021 Datasheet - Page 3

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

Absolute Maximum Ratings
Supply Voltage (V
Input Voltage ................................................ –0.5V to +15V
Sense Differential Voltage .......................................... 6.5V
Sense + or Sense – to Gnd .......................... –0.5V to +36V
Timer Voltage (C
V
Electrical Characteristics
T
Symbol
t
t
t
t
t
t
f
Note 1
Note 2
Note 3
Note 4
Note 5
Note 6
Note 7
October 1998
MIC5021
G(ON)
G(OFF)
DLH
R
DLH
F
max
A
BOOST
= 25 C, Gnd = 0V, V
When using sense MOSFETs, it is recommended that R
DC measurement.
Input switched from 0.8V (TTL low) to 2.0V (TTL high), time for Gate transition from 0V to 2V.
Input switched from 0.8V (TTL low) to 2.0V (TTL high), time for Gate transition from 2V to 17V.
Input switched from 2.0V (TTL high) to 0.8V (TTL low), time for Gate transition from 20V (Gate on voltage) to 17V.
Input switched from 2.0V (TTL high) to 0.8V (TTL low), time for Gate transition from 17V to 2V.
Frequency where gate on voltage reduces to 17V with 50% input duty cycle.
Capacitor .................................................... 0.01 F
Parameter
D.C. Supply Current
Input Threshold
Input Hysteresis
Input Pull-Down Current
Current Limit Threshold
Gate On Voltage
Gate On Time, Fixed
Gate Off Time, Adjustable
Gate Turn-On Delay
Gate Rise Time
Gate Turn-Off Delay
Gate Fall Time
Maximum Operating Frequency
T
DD
) ..................................................... +5.5V
) .................................................. +40V
DD
= 12V, C
T
= Open, Gate C
V
Sense Differential > 70mV, C
Condition
V
V
V
V
Input = 5V
Note 1
V
Sense Differential > 70mV
Note 3
Note 4
Note 5
Note 6
Note 7
DD
DD
DD
DD
DD
DD
L
= 12V, Input = 0V
= 36V, Input = 0V
= 12V, Input = 5V
= 36V, Input = 5V
= 12V Note 2
= 36V Note 2
= 1500pF (IRF540 MOSFET) unless otherwise specified
SENSE
5-171
< 50 . Higher values may affect the sense MOSFET’s current transfer ratio.
Operating Ratings
Supply Voltage (V
Temperature Range
PDIP ....................................................... –40 C to +85 C
SOIC ...................................................... –40 C to +85 C
T
= 0pF
DD
) .................................... +12V to +36V
Min
100
0.8
10
30
16
46
10
2
Typ
500
400
800
400
150
1.8
2.5
1.7
2.5
1.4
0.1
50
18
50
20
20
6
1000
1500
Max
500
500
2.0
40
70
21
52
10
50
4
6
4
6
Units
Micrel
kHz
mA
mA
mA
mA
mV
ns
ns
ns
ns
V
V
V
V
A
s
s
5