
5-86
April 1998
MIC4467/4468/4469
Micrel
Quiescent Power Supply
Current vs. Supply Voltage
Quiescent Power Supply
Current vs. Supply Voltage
0
0.5
2.5
1.0
1.5
S
20
15
5
0
SUPPLY VOLTAGE (V)
10
2.0
S
μ
A
15
10
0
5
0
50
100
150
200
300
400
20
SUPPLY VOLTAGE (V)
NO LOAD
BOTH INPUTS LOGIC "1"
T = 25
°
C
NO LOAD
BOTH INPUTS LOGIC "0"
T = 25
°
C
Test Figure 1
Package Power Dissipation
Quad Driver Drives H Bridge to
Control Motor Speed and Direction
0
250
500
750
1000
1250
1500
25
50
AMBIENT TEMPERATURE (
°
C)
75
100
125
150
P
D
14-PIN PDIP
SLOPE = –12 mW/
°
C
16-PIN WIDE SOIC
SLOPE = –8 mW/
°
C
INVERTING INPUT
+5V
VINPUT
10%
90%
10%
90%
10%
90%
18V
0V
VOUTPUT
t
D1
t
F
t
R
t
D2
NON-INVERTING INPUT
+5V
V
INPUT
18V
VOUTPUT
0V
90%
10%
10%
10%
90%
t
D1
t
R
V
OUT
470 pF
IN
IN
1
1 μF FILM
0.1 μF CERAMIC
VS
1
IN
2
IN
2
IN
3
IN
3
IN
4
IN
4
t
D2
t
F
90%
GND
DC BRUSH
MOTOR
PWM SPEED
+5V TO +15V
MIC4467
CWCCW