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MAX5950 Datasheet(PDF) 9 Page - Maxim Integrated Products

Part # MAX5950
Description  12V PWM Controller with Hot-Swap
Download  28 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX5950 Datasheet(HTML) 9 Page - Maxim Integrated Products

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12V PWM Controller with Hot-Swap
_______________________________________________________________________________________
9
STARTUP SEQUENCING (FIGURE 1)
MAX5950 toc23c
2ms/div
DCEN0 = DCENI1 =
STARTUP
5V/div
OUT1
1V/div
OUT3
1V/div
OUT2
1V/div
PWREN SWITCHING FROM HIGH TO LOW
PGI = PGOOD3
5V/div
CSTART = 1
µF
TRACKING (FIGURE 1)
MAX5950 toc23d
400
µs/div
DCEN0 - DCENI_ =
STARTUP_
5V/div
OUT1
1V/div
OUT3
1V/div
OUT2
1V/div
PWREN SWITCHING FROM HIGH TO LOW
PGOOD_
5V/div
STARTUP FAULT
MAX5950 toc24a
20ms/div
DCEN0 =
DCENI1 =
STARTUP_
5V/div
OUT1
1V/div
OUT3
SHORTED
TO PGND
2V/div
OUT2
2V/div
PWREN SWITCHING FROM HIGH TO LOW
PGI = PGOOD3
5V/div
0V
0V
0V
0V
0V
MAX5950 toc24b
40ms/div
DCEN0 =
DCENI1 =
STARTUP_
5V/div
VOUT1
1V/div
OUT3 SHORTED TO PGND
PGI = PGOOD3
1V/div
0V
0V
0V
0V
0V
PWREN SWITCHING FROM HIGH TO LOW
MPWRGD
2V/div
MPWRFLT
2V/div
STARTUP FAULT
OVERLOAD RESPONSE
MAX5950 toc25a
4
µs/div
IOUT1
2A/div
LX
10V/div
DL
10V/div
OUT1
1V/div
STARTUP
5V/div
0V
0V
0V
0V
0V
OVERLOAD RESPONSE (HICCUP MODE)
MAX5950 toc25b
400
µs/div
IOUT1
2A/div
LX
10V/div
DL
10V/div
OUT1
1V/div
STARTUP
5V/div
SHORT-CIRCUIT RESPONSE
MAX5950 toc26a
2
µs/div
VOUT1 SHORTED
TO PGND
1V/div
LX
10V/div
DL
5V/div
STARTUP
5V/div
SHORT-CIRCUIT RESPONSE
(HICCUP MODE)
MAX5950 toc26b
400
µs/div
OUT1
SHORTED
TO PGND
1V/div
IOUT1
2A/div
LX
10V/div
DL
10V/div
STARTUP
5V/div
Typical Operating Characteristics (continued)
(Typical Application Circuits. VIN = VPWM_IN = 12V, VDREG = VREG, VPGND = 0V, VSYNCIN = 0V, RRT = 49.9k
Ω, RILIM = 48.7kΩ, CREG
= 2.2µF, TA = +25°C, unless otherwise noted.)


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