Microchip Technology TC4451, Руководство пользователя

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
2006-2014 Microchip Technology Inc. DS20001987C-page 5
TC4451/TC4452
DC CHARACTERISTICS (OVER OPERATING TEMPERATURE RANGE)
Electrical Specifications: Unless otherwise noted, over the 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
— — 0.8 V
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
— — 0.025 V DC 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
— 35 60 ns Figure 4-1 , C
L
= 15,000 pF
Fall Time t
F
— 38 60 ns Figure 4-1 , C
L
= 15,000 pF
Propagation Delay Time t
D1
— 55 65 ns Figure 4-1 , C
L
= 15,000 pF
Propagation Delay Time t
D2
— 55 65 ns Figure 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-S

JA
— 35.7 — °C/W Typical four-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