HA16654 Hitachi Semiconductor, HA16654 Datasheet - Page 10

• Manufacturer Part Number: HA16654
• Description: PWM Controlled Switching Regulator
• Manufacturer: Hitachi Semiconductor

HA16654A, HA16664A Series
10
+10
–10
–20
0
100
–20
90
80
70
60
50
40
30
20
10
Dead Band Voltage in PWM Comparator (HA16654A)
0
(
f
R = 27 k
C = 220 pF
0.6
T
T
500 kHz
f/f vs. Ambient Temperature (HA16654A)
f
0
500 kHz
f
(
Ambient Temperature Ta ( C)
R = 150 k
C = 330 pF
T
T
100 kHz
Dead Band Voltage (V)
Pulse Duty Cycle vs.
)
20
0.7
)
f
40
300 kHz
(
f
R = 56 k
C = 220 pF
0.8
T
T
300 kHz
V
f
IN
100 kHz
60
= 20 V
)
0.9
80
+10
–10
–20
0
100
–20
90
80
70
60
50
40
30
20
10
Dead Band Voltage in PWM Comparator (HA16664A)
0
0.6
f/f vs. Ambient Temperature (HA16664A)
0
Ambient Temperature Ta ( C)
f
Dead Band Voltage (V)
200 kHz
Pulse Duty Cycle vs.
20
0.7
40
f
0.8
f
(
(
f
100 kHz
R = 150 k
C = 330 pF
V
R = 95 k
C = 220 pF
IN
100 kHz
T
T
T
T
200 kHz
60
= 20 V
0.9
)
)
80