1.5A DUAL OPEN-DRAIN
MOSFET DRIVERS
TC4404
TC4405
TYPICAL CHARACTERISTICS
(Cont.)
Quiescent Supply Current
vs. Temperature
4.0
VDD = 18V
BOTH INPUTS = 1
25
Pull-Up Output Resistance
Pull-Down Output Resistance
25
IQUIESCENT (mA)
3.5
20
20
R(DS(ON) (Ω)
3.0
RDS(ON) (Ω)
WORST CASE
@ TJ = +150°C
15
WORST CASE
@ TJ = +150°C
15
2.5
10
8
TYP @ +25°C
10
8
5
TYP @ +25°C
2.0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
5
4
6
8
10 12
VDD
14
16
18
4
6
8
10
12
VDD
14
16
18
TYPICAL APPLICATIONS
Zero Crossover Current Totem-Pole Switch
VDD
(4.5V–18V)
VDD
(4.5V – 18V)
Driving Bipolar Transistors
FROM TTL
TC4404
RT
RT
VOUT
FROM TTL
RIB
TC4405
RIB
GND
GND
Servo Motor Control
+24V
47 kΩ
+12V
15V
0.1 µF
DIRECTION
(TTL LEVEL)
RT
RT
15V
0.1 µF
47 kΩ
REACH-UP AND REACH-DOWN DRIVING
+12V
+12V
SWITCHED
+12V
+5V
+5V
SPEED
(PWM)
MOTOR
FROM TTL
TC4404
GND
I SENSE
TC4469
GND
TC4404
GND
SWITCHED
–12V
–12V
–12V
4-224
TELCOM SEMICONDUCTOR, INC.
TELCOM [ TELCOM SEMICONDUCTOR, INC ]
