Datasheet

MAX5003
High-Voltage PWM
Power-Supply Controller
_______________________________________________________________________________________ 5
0
1.0
0.5
2.0
1.5
2.5
3.0
20 6040 80 100 120
V+ INPUT CURRENT vs. VOLTAGE
MAX5003-04
V+ (V)
I
V
+ (mA)
V
CON
= V
COMP
= V
FB
SWITCHING
0
0.50
1.00
2.00
1.50
2.50
-40 0-20 20 40 60 80 100
V+ INPUT CURRENT vs. TEMPERATURE
MAX5003-05
TEMPERATURE (°C)
I
V
+ (mA)
V
CON
= V
COMP
= V
FB
SWITCHING
V+ = 110V
MAX5003-06
0
20
10
40
30
70
60
50
80
1.0 1.5 2.0
2.5
3.0
MAXIMUM DUTY CYCLE vs. V
INDIV
V
INDIV
(V)
DUTY CYCLE (%)
400kΩ
PARAMETER IS
R
MAXTON
100kΩ
V
CON
CLAMPED HIGH
300kΩ
200kΩ
70
-20
0.1k 1k 10k 100k 1M 10M
ERROR AMP FREQUENCY RESPONSE
-10
0
MAX5003-07
FREQUENCY (Hz)
GAIN (dB)
20
10
50
60
40
30
0
-180
-160
-140
PHASE (degrees)
-100
-120
-40
-20
-60
-80
PHASE
GAIN
MAX5003-08
0
100
50
200
150
350
300
250
400
0 100 200 300
400
500
SWITCHING FREQUENCY AND PERIOD
vs. R
FREQ
R
FREQ
(kΩ)
FREQUENCY (kHz)
0
10
20
30
40
PERIOD (µs)
FREQUENCY
PERIOD
30
32
31
34
33
38
37
36
35
40
39
-40 0-20 20 40 60 80 100
V+ SHUTDOWN CURRENT
vs. TEMPERATURE
MAX5003-09
TEMPERATURE (°C)
I
V
+ (µA)
V+ = 110V
V
INDIV
= 0
V
DD
= UNCONNECTED
28.0
27.5
27.0
26.5
26.0
-50 0 50 100
V+ CURRENT IN BOOTSTRAPPED
OPERATION vs. TEMPERATURE
MAX5003-10
TEMPERATURE (°C)
I
V
+ (µA)
V+ = 110V
V
INDIV
= 1.5V
0
2
3
4
5
6
7
8
9
10
0 5 10 15 20
V
CC
LOAD REGULATION
MAX5003-11
I
CC
(mA)
V
CC
(V)
1
V+ = 50V TO 110V
ES = UNCONNECTED
V
DD
= UNCONNECTED
V+ = 12V
V+ = 13V
V+ = 15V
V+ = 14V
Typical Operating Characteristics (continued)
(V
DD
= +12V, R
FREQ
= 200kΩ, R
MAXTON
= 200kΩ, T
A
= +25°C, unless otherwise noted.)