Datasheet

Typical Operating Characteristics (continued)
(V
S
= +48V, GND = 0V, and T
A
= +25°C, unless otherwise noted. See Figure 2 for test circuits.)
MAX5902/MAX5903
+72V, SOT23/TDFN, Simple Swapper Hot-Swap
Controllers
4 _______________________________________________________________________________________
5
7
11
9
13
15
03015 45 60 75
GATE DRIVE VOLTAGE
vs. INPUT VOLTAGE
MAX5902 toc04
INPUT VOLTAGE (V)
GATE DRIVE (V)
75
125
100
175
150
200
225
-40 10-15 356085
RETRY TIMEOUT
vs. TEMPERATURE
MAX5902 toc05
TEMPERATURE (
°
C)
TIMEOUT PERIOD (ms)
t = 20ms/div
TURN-ON WAVEFORMS
R
L
= 60Ω, C
L
= 100µF
A : V
OUT
, 50V/div
B : I
IN
, 1A/div
C : V
GATE
, 50V/div
D : V
IN
, 50V/div
A
B
D
C
MAX5902 toc06
0
0
0
0
t = 2ms/div
TURN-ON WAVEFORMS
R
L
= OPEN, C
L
= 100µF
A : V
OUT
, 50V/div
B : I
IN
, 1A/div
C : V
GATE
, 20V/div
A
B
C
MAX5902 toc07
0
0
0
t = 1µs/div
CIRCUIT-BREAKER EVENT
V
OVERDRIVE
= 20mV, C
GATE
= 1000pF
A
B
C
MAX5902 toc10
0
0
0
A : V
DS
, 0.5V/div
B : V
GS
, 10V/div
C : V
PGOOD
TO V
S
, 50V/div
t = 2ms/div
TURN-ON WAVEFORMS
R
L
= 60Ω, C
L
= 10µF
A : V
OUT
, 50V/div
B : I
IN
, 0.5A/div
C : V
GATE
, 20V/div
A
B
C
MAX5902 toc08
0
0
0
t = 1µs/div
CIRCUIT-BREAKER EVENT
V
OVERDRIVE
= 200mV, C
GATE
= 1000pF
A
B
C
MAX5902 toc11
0
0
0
A : V
DS
, 0.5V/div
B : V
GS
, 10V/div
C : V
PGOOD
TO V
S
, 50V/div
t = 2ms/div
TURN-ON WAVEFORMS
R
L
= 60Ω, C
L
= 100µF
A : V
OUT
, 50V/div
B : I
IN
, 1A/div
C : V
GATE
, 20V/div
A
B
C
MAX5902 toc09
0
0
0