Diodes ZXBM1021 - Manual (Page 10)

ZXBM1021
Document number: DS36322 Rev. 2 - 2
10 of 25
www.diodes.com
April 2014
© Diodes Incorporated
ZXBM1021
Typical Operating Characteristics
4.50
4.60
4.70
4.80
4.90
5.00
5.10
5.20
5.30
5.40
5.50
-50 -25 0 25 50 75 100 125
T
h
R
e
f
(V)
Ambient operating temperature T
A
( C)
ThRef vs Ambient Temperature
6V8
12V
18V
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90 100
Ph
L
o
D
u
ty
C
y
c
le
(%
)
Speed control PWM signal (PWMSPD) duty cycle (%)
PhLo Output Duty Cycle vs. Speed Control PWM Signal (PWMSPD) Duty Cycle
0
10
20
30
40
50
60
70
80
90
100
0.9 1.1 1.2 1.4 1.5 1.7 1.8 2.0 2.1 2.3 2.4 2.6 2.7 2.9 3.0 3.2
D
u
ty
C
y
c
le
(%
)
Speed control DC voltage SPD (V)
PhLo Output Duty Cycle vs Speed control DC Voltage (SPD)
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
0 10 20 30 40 50 60 70 80 90 100
C
SP
D
Vo
lta
g
e
(V)
Speed control PWM signal (PWMSPD) Duty Cycle (%)
CSPD Voltage vs Speed Control PWM Signal (PWMSPD) Duty Cycle