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MAX5003C/D 数据表(PDF) 4 Page - Maxim Integrated Products

部件名 MAX5003C/D
功能描述  High-Voltage PWM Power-Supply Controller
PDF  16 Pages
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制造商  MAXIM [Maxim Integrated Products]
网页  https://www.maximintegrated.com/en.html
标志 MAXIM - Maxim Integrated Products

MAX5003C/D 数据表(HTML) 4 Page - Maxim Integrated Products

  MAX5003C/D Datasheet HTML 1Page - Maxim Integrated Products MAX5003C/D Datasheet HTML 2Page - Maxim Integrated Products MAX5003C/D Datasheet HTML 3Page - Maxim Integrated Products MAX5003C/D Datasheet HTML 4Page - Maxim Integrated Products MAX5003C/D Datasheet HTML 5Page - Maxim Integrated Products MAX5003C/D Datasheet HTML 6Page - Maxim Integrated Products MAX5003C/D Datasheet HTML 7Page - Maxim Integrated Products MAX5003C/D Datasheet HTML 8Page - Maxim Integrated Products MAX5003C/D Datasheet HTML 9Page - Maxim Integrated Products Next Button
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0.8
-0.4
-0.6
0
-0.2
0.6
0.4
0.2
0.8
0
-20
20
40
60
80
100
FB SET-POINT VOLTAGE CHANGE
vs. TEMPERATURE
TEMPERATURE (
°C)
-0.100
-0.050
-0.075
0
-0.025
0.075
0.050
0.025
0.100
11
13
12
14
15
16
17
18
FB SET-POINT VOLTAGE CHANGE
vs. SUPPLY VOLTAGE
VDD (V)
-1.20
-0.80
-1.00
-0.40
-0.60
0.20
0
-0.20
0.40
-40
0
-20
20
40
60
80
100
SWITCHING FREQUENCY CHANGE
vs. TEMPERATURE
TEMPERATURE (
°C)
Typical Operating Characteristics
(VDD = +12V, RFREQ = 200k
Ω, RMAXTON = 200kΩ, TA = +25°C, unless otherwise noted.)
High-Voltage PWM
Power-Supply Controller
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V+ = VES = VDD = +12V, VINDIV = 2V, VCON = 0, RFREQ = RMAXTON = 200k
Ω, TA = TMIN to TMAX, unless otherwise noted. Typical
values are at TA = +25°C.)
Note 1: See the Typical Operating Characteristics for preregulator current-to-voltage characteristics.
Note 2: Maximum time FREQ can be held below VIL and still remain in external mode.
Note 3: Feed-forward Ratio = Duty cycle at (VINDIV = 1.5V)/Duty cycle at (VINDIV = 1.875V)
Note 4: Occurs at start-up and until VREF is valid.
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETERS
Minimum On-Time
200
ns
SS Source Current
VSS = 0.5V, VDD = unconnected, VCON = 1.5V
3.4
5.5
9
µA
SS Sink Current
VSS = 0.4V (Note 4)
10
mA
SS Time
0.45
s/µF
CON Bias Current
ICON
VCON = 0.5V and 2.5V
-1
0.01
1
µA
RMAXTON = 200k
Ω, VINDIV = 1.25V
µs
7.5
tON
Maximum On-Time Range
VINDIV = 1.875V
V
0.48
0.5
0.53
RAMP Voltage Low
V
2.5
RAMP Voltage High
VINDIV stepped from 1.5V to 1.875V, VCON =
3.0V (Note 3)
0.72
0.8
0.88
Input Voltage Feed Forward
Ratio
k
Ω
50
500
RMAXTON
MAXTON Resistor Range
PWM COMPARATOR
SOFT-START
PWM OSCILLATOR



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