Datasheet
Table Of Contents
- 12A High-Speed MOSFET Drivers
- Features
- Applications
- General Description
- Package Types
- Functional Block Diagram
- 1.0 Electrical Characteristics
- 2.0 Typical Performance Curves
- FIGURE 2-1: Rise Time vs. Supply Voltage
- FIGURE 2-2: Rise Time vs. Capacitive Load
- FIGURE 2-3: Fall Time vs. Supply Voltage
- FIGURE 2-4: Fall Time vs. Capacitive Load
- FIGURE 2-5: Rise and Fall Times vs. Temperature
- FIGURE 2-6: Crossover Energy vs. Supply Voltage
- FIGURE 2-7: Propagation Delay vs. Supply Voltage
- FIGURE 2-8: Propagation Delay vs. Input Amplitude
- FIGURE 2-9: Propagation Delay vs. Temperature
- FIGURE 2-10: Quiescent Supply Current vs. Supply Voltage
- FIGURE 2-11: Quiescent Supply Current vs. Temperature
- FIGURE 2-12: Input Threshold vs. Temperature
- FIGURE 2-13: Input Threshold vs. Supply Voltage
- FIGURE 2-14: High State Output Resistance vs. Supply Voltage
- FIGURE 2-15: Low State Output Resistance vs. Supply Voltage
- FIGURE 2-16: Supply Current vs. Capacitive Load (VDD = 18V)
- FIGURE 2-17: Supply Current vs. Capacitive Load (VDD = 12V)
- FIGURE 2-18: Supply Current vs. Capacitive Load (VDD = 6V)
- FIGURE 2-19: Supply Current vs. Frequency (VDD = 18V)
- FIGURE 2-20: Supply Current vs. Frequency (VDD = 12V)
- FIGURE 2-21: Supply Current vs. Frequency (VDD = 6V)
- 3.0 Pin Descriptions
- 4.0 Applications Information
- 5.0 Packaging Information
- Appendix A: Revision History
- Product Identification System
- Trademarks
- Worldwide Sales and Service

2006-2014 Microchip Technology Inc. DS20001987C-page 7
TC4451/TC4452
Note: Unless otherwise indicated, T
A
= +25°C with 4.5V V
DD
18V.
FIGURE 2-7: Propagation Delay vs.
Supply Voltage.
FIGURE 2-8: Propagation Delay vs. Input
Amplitude.
FIGURE 2-9: Propagation Delay vs.
Temperature.
FIGURE 2-10: Quiescent Supply Current
vs. Supply Voltage.
FIGURE 2-11: Quiescent Supply Current
vs. Temperature.
FIGURE 2-12: Input Threshold vs.
Temperature.
40
45
50
55
60
65
70
75
80
85
90
95
46810121416
18
Propagation Delay (ns)
Supply Voltage (V)
t
D2
t
D1
C
LOAD
= 15,000 pF
V
IN
= 5V
40
45
50
55
60
65
70
75
80
85
90
95
100
23456789
10
Propagation Delay (ns)
Input Amplitude (V)
t
D2
t
D1
C
LOAD
= 15,000 pF
V
DD
= 10V
30
35
40
45
50
55
60
-40 -25 -10 5 20 35 50 65 80 95 110
125
Propagation Delay (ns)
Temperature (
o
C)
t
D2
t
D1
V
DD
= 10V
V
IN
= 5V
C
LOAD
= 15,000 pF
20
40
60
80
100
120
140
46810121416
18
I
QUIESCENT
(µA)
Supply Voltage (V)
INPUT = High
INPUT = Low
20
40
60
80
100
120
140
160
180
200
220
-40 -25 -10 5 20 35 50 65 80 95 110
125
I
QUIESCENT
(µA)
Temperature (
o
C)
INPUT = High
V
DD
= 18 V
INPUT = Low
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2
-40 -25 -10 5 20 35 50 65 80 95 110
125
Input Threshold (V)
Temperature (
o
C)
V
IH
V
IL
V
DD
= 12 V