MAX5003 データシートの表示（PDF） - Maxim Integrated
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MAX5003 Datasheet PDF : 16 Pages
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High-Voltage PWM
Power-Supply Controller
Typical Operating Characteristics (continued)
(VDD = +12V, RFREQ = 200kΩ, RMAXTON = 200kΩ, TA = +25°C, unless otherwise noted.)
V+ INPUT CURRENT vs. VOLTAGE
3.0
2.5
2.0
1.5
1.0
0.5
VCON = VCOMP = VFB
SWITCHING
0
20
40
60
80
V+ (V)
100 120
ERROR AMP FREQUENCY RESPONSE
70
GAIN
0 MAX5003-07
60
-20
50
-40
40
-60
PHASE
30
-80
20
-100
10
-120
0
-140
-10
-160
-20
0.1k
1k 10k 100k 1M
FREQUENCY (Hz)
-180
10M
V+ INPUT CURRENT vs. TEMPERATURE
2.50
2.00
1.50
1.00
0.50 VCON = VCOMP = VFB
SWITCHING
V+ = 110V
0
-40 -20 0 20 40 60
TEMPERATURE (°C)
80 100
SWITCHING FREQUENCY AND PERIOD
vs. RFREQ
400
40 MAX5003-08
350
FREQUENCY
300
30
250
PERIOD
200
20
150
100
10
50
0
0
0
100 200 300 400 500
RFREQ (kΩ)
MAXIMUM DUTY CYCLE vs. VINDIV
80
400kΩ
70
300kΩ
60
50
200kΩ
40
30
20
100kΩ
10
VCON CLAMPED HIGH
0
1.0
1.5
2.0
PARAMETER IS
RMAXTON
2.5
3.0
VINDIV (V)
V+ SHUTDOWN CURRENT
vs. TEMPERATURE
40
39 V+ = 110V
38
VINDIV = 0
VDD = UNCONNECTED
37
36
35
34
33
32
31
30
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
V+ CURRENT IN BOOTSTRAPPED
OPERATION vs. TEMPERATURE
28.0
V+ = 110V
VINDIV = 1.5V
27.5
27.0
26.5
26.0
-50
0
50
100
TEMPERATURE (°C)
VCC LOAD REGULATION
10
V+ = 50V TO 110V
9
8
7
6 V+ = 12V
5
V+ = 13V
4
V+ = 14V
3
V+ = 15V
2
1 ES = UNCONNECTED
VDD = UNCONNECTED
0
0
5
10
15
20
ICC (mA)
_______________________________________________________________________________________ 5
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