MAX5053 Maxim Integrated Products, MAX5053 Datasheet - Page 5

• Manufacturer Part Number: MAX5053
• Description: (MAX5052 / MAX5053) Current-Mode PWM Controllers
• Manufacturer: Maxim Integrated Products

(UVLO = +1.4V, V
COMPARATOR INPUT TO NDRV vs. TEMPERATURE
Amplifier for Isolated/Nonisolated Power Supplies
30
25
20
15
10
75
70
65
60
55
50
10
5
0
PROPAGATION DELAY FROM CURRENT-LIMIT
9
8
7
6
5
4
3
2
1
0
10.0
260
-40
CURRENT-LIMIT TRIP THRESHOLD
12.5
CURRENT-LIMIT TRIP THRESHOLD (mV)
270
-20
vs. INPUT CLAMP VOLTAGE
15.0 17.5
INPUT CURRENT
Current-Mode PWM Controllers with an Error
280
INPUT VOLTAGE (V)
FB
TEMPERATURE (°C)
0
_______________________________________________________________________________________
= +1V, V
20.0 22.5
290
20
TOTAL NUMBER OF
DEVICES = 200
40
300
COMP
25.0
60
310
27.5
= floating, V
80
30.0
320
CS
Typical Operating Characteristics (continued)
27.0
26.8
26.6
26.4
26.2
26.0
25.8
25.6
25.4
25.2
25.0
280
275
270
265
260
255
250
245
240
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
= 0V, T
-40
-40
-40
+3σ
-3σ
MEAN
UVLO/EN PROPAGATION DELAY
-20
-20
-20
A
SWITCHING FREQUENCY
INPUT CLAMP VOLTAGE
= +25°C, unless otherwise noted.)
vs. TEMPERATURE
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
0
20
20
20
UVLO/EN RISING
UVLO/EN FALLING
TOTAL NUMBER OF
DEVICES = 100
40
40
40
60
60
I
60
IN
= 2mA
80
80
80
1.230
1.229
1.228
1.227
1.226
1.225
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
30
25
20
15
10
5
0
230
-40
-40
V
V
SINKING 100mA
IN
IN
= 12V
= 24V
-20
-20
240
NDRV OUTPUT IMPEDANCE
SWITCHING FREQUENCY
SWITCHING FREQUENCY (kHz)
REFERENCE VOLTAGE
vs. TEMPERATURE
vs. TEMPERATURE
250
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
20
20
260
TOTAL NUMBER OF
DEVICES = 200
40
40
270
60
60
280
80
80
290
5