New prod uc t zxbm5210, Typical operating characteristics, Zxbm5210 – Diodes ZXBM5210 User Manual
Page 10: Pwm oscillator frequency
ZXBM5210
Document number: DS36765 Rev. 1 - 2
10 of 17
December 2013
© Diodes Incorporated
NEW PROD
UC
T
ZXBM5210
Typical Operating Characteristics
Output PWM Duty in PWM Speed Control Mode
Output PWM Duty in VREF Speed Control Mode
PWM Oscillator Frequency
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
O
u
tp
u
t PW
M
D
u
ty
(%
)
Input PWM Duty (%)
Output PWM Duty vs Input PWM Duty
12V
3V
18V
T
A
= 25
o
C, Mode A PWM, Input PWM Frequency 25kHz
0
10
20
30
40
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1
O
u
tp
u
t P
W
M
D
u
ty
(%
)
V
REF
/V
DD
Ratio
OutputPWM Duty vs V
REF
/V
DD
Ratio
12V
3V
18V
T
A
= 25
o
C, VREF Mode, No Load
20
22
24
26
28
30
2
4
6
8
10
12
14
16
18
20
Fr
eq
uency
(k
H
z)
Supply Voltage (V)
PWM Oscillator Frequency vs. Supply Voltage
T
A
= 25
o
C
20
22
24
26
28
30
-50
-25
0
25
50
75
100
125
Fr
eque
n
cy
(k
H
z)
Temperature (°C)
PWM Oscillator Frequency vs. Temperature
12V
3V
18V