
MIC4467/4468/4469
Micrel, Inc.
2.5
2.0
1.5
Quiescent Power Supply
Current vs. Supply Voltage
400
300
200
Quiescent Power Supply
Current vs. Supply Voltage
150
1.0
0.5
NO LOAD
BOTH INPUTS LOGIC "1"
T A = 25 °C
100
50
NO LOAD
BOTH INPUTS LOGIC "0"
T A = 25 °C
0
0
5 10 15
SUPPLY VOLTAGE (V)
20
0
0
5 10 15
SUPPLY VOLTAGE (V)
20
Test Figure 1
VS
INVE RTING INPU T
+5V
V INPUT
90%
1 μF FILM
IN 1
IN 1
0.1 μF CERAMIC
V OUT
470 pF
10%
V OUTPUT
18V
t D1
90%
t F
t D2
t R
90%
IN 2
IN 2
IN 3
IN 3
IN 4
0V
NON-INVE RTING INPU T
+5V
V INPUT
10%
10%
10%
90%
IN 4
18V
V OUTPUT
0V
t D1
90%
10%
t R
90%
t D2
10%
t F
Package Power Dissipation
1500
Quad Driver Drives H Bridge to
Control Motor Speed and Direction
1250
14-PIN PDIP
SLOPE = –12 mW/°C
+5V TO +15V
MIC4467
1000
750
500
CW
CCW
DC BRUSH
MOTOR
250
0
16-PIN WIDE SOIC
SLOPE = –8 mW/°C
PWM SPEED
July 2005
25
50 75 100 125
AMBIENT TEMPERATURE (°C)
150
7
GND
MIC4467/4468/4469