Datasheet

 2006-2012 Microchip Technology Inc. DS21987B-page 5
TC4451/TC4452
DC CHARACTERISTICS (OVER OPERATING TEMPERATURE RANGE)
Electrical Specifications: Unless otherwise noted, over operating temperature range with 4.5V  V
DD
 18V.
Parameters Sym Min Typ Max Units Conditions
Input
Logic ‘1’, High Input Voltage V
IH
2.4 — — V
Logic ‘0’, Low Input Voltage V
IL
——0.8V
Input Current I
IN
–10 — +10 µA 0VV
IN
V
DD
Output
High Output Voltage V
OH
V
DD
– 0.025 — — V DC Test
Low Output Voltage V
OL
——0.025VDC Test
Output Resistance, High R
OH
——2.2 I
OUT
= 10 mA, V
DD
= 18V
Output Resistance, Low R
OL
——2.0 I
OUT
= 10 mA, V
DD
= 18V
Switching Time (Note 1)
Rise Time t
R
—3560nsFigure 4-1, C
L
= 15,000 pF
Fall Time t
F
—3860nsFigure 4-1, C
L
= 15,000 pF
Propagation Delay Time t
D1
—5565nsFigure 4-1, C
L
= 15,000 pF
Propagation Delay Time t
D2
—5565nsFigure 4-1, C
L
= 15,000 pF
Power Supply
Power Supply Current I
S
— 200 400 µA V
IN
= 3V
— 50 150 µA V
IN
= 0V
Operating Input Voltage V
DD
4.5 — 18.0 V
V
DD
Ramp Rate SV
DD
0.2 — — V/ms
Note 1: Switching times ensured by design.
TEMPERATURE CHARACTERISTICS
Electrical Specifications: Unless otherwise noted, all parameters apply with 4.5V  V
DD
 18V.
Parameters Sym Min Typ Max Units Conditions
Temperature Ranges
Specified Temperature Range (V) T
A
–40 — +125 °C
Maximum Junction Temperature T
J
— — +150 °C
Storage Temperature Range T
A
–65 — +150 °C
Package Thermal Resistances
Thermal Resistance, 5L-TO-220 
JA
— 39.5 — °C/W Without heat sink
Thermal Resistance, 8L-6x5 DFN 
JA
— 35.7 — °C/W Typical 4-layer board with
vias to ground plane
Thermal Resistance, 8L-PDIP 
JA
—89.3—°C/W
Thermal Resistance, 8L-SOIC 
JA
— 149.5 — °C/W