MAX17499 Maxim Integrated Products, MAX17499 Datasheet - Page 5

• Manufacturer Part Number: MAX17499
• Description: (MAX17499 / MAX17500) Current-Mode PWM Controllers
• Manufacturer: Maxim Integrated Products

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(V
UVLO/EN
1.180
1.175
1.170
1.165
1.160
1.155
1.150
60
50
40
30
20
10
9.8
9.6
9.4
9.2
9.0
0
0.964
-40
-40
UVLO/EN FALLING
V
IN
CURRENT-LIMIT TRIP THRESHOLD
UVLO/EN SHUTDOWN THRESHOLD
= 19V
= +1.4V, V
CURRENT-LIMIT TRIP THRESHOLD (V)
0.978
V
-15
-15
CC
vs. TEMPERATURE
vs. TEMPERATURE
REGULATOR SET POINT
TEMPERATURE (°C)
TEMPERATURE (°C)
0.993
NDRV SWITCHING
10
10
f
NDRV NOT SWITCHING
SW
_______________________________________________________________________________________
FB
= 350kHz
1.007
= +1V, COMP = open, V
35
35
TOTAL NUMBER
OF DEVICES = 140
1.022
Programmable Switching Frequency
60
60
Current-Mode PWM Controllers with
1.036
85
85
355
350
345
340
335
330
325
8.9
8.8
8.7
8.6
8.5
8.4
8.3
8.2
8.1
Typical Operating Characteristics (continued)
CS
65
60
55
50
45
-40
-40
-40
= 0V, T
V
MAX17500 WHEN IN
BOOTSTRAP UVLO
V
IN
IN
= 19V
V
= 19V
-20
IN
V
-15
-15
CC
SWITCHING FREQUENCY
SUPPLY CURRENT IN UVLO
A
+3σ
MEAN
-3σ
vs. TEMPERATURE
vs. TEMPERATURE
REGULATOR SET POINT
vs. TEMPERATURE
TOTAL NUMBER OF DEVICES = 140
= +25°C, unless otherwise noted.)
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
10
10
20
20mA LOAD
35
35
10mA LOAD
40
60
60
60
80
85
85
1.02
1.01
1.00
0.99
0.98
0.97
0.96
60
50
40
30
20
10
2.0
1.9
1.8
1.7
1.6
1.5
0
326.7
-40
-40
V
f
SW
IN
CURRENT-LIMIT TRIP THRESHOLD
= 24V
= 350kHz
333.5
V
STARTUP vs. TEMPERATURE
IN
-15
-15
SWITCHING FREQUENCY
SWITCHING FREQUENCY (kHz)
SUPPLY CURRENT AFTER
+3σ
MEAN
-3σ
vs. TEMPERATURE
TOTAL NUMBER OF DEVICES = 140
TEMPERATURE (°C)
TEMPERATURE (°C)
340.3
10
10
347.2
35
35
TOTAL NUMBER
OF DEVICES = 140
354.0
60
60
360.8
85
85
5
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