Step immunity and no r, Sense, Typical operating characteristics (continued) – Rainbow Electronics MAX5937 User Manual
Page 6
MAX5936/MAX5937
-48V Hot-Swap Controllers with V
IN
Step Immunity and No R
SENSE
6
_______________________________________________________________________________________
MAX5936_A SHORT-CIRCUIT EVENT
MAX5936 toc08
400ns/div
V
GATE
10V/div
V
OUT
50V/div
I
IN
10A/div
V
PGOOD
50V/div
NORMALIZED CIRCUIT-BREAKER
THRESHOLD vs. TEMPERATURE
MAX5936 toc09
TEMPERATURE (°C)
NORMALIZED CIRCUIT-BREAKER THRESHOLD (%)
60
35
10
-15
0.6
0.8
1.0
1.2
1.4
1.6
0.4
-40
85
V
OUT
SLEW RATE
vs. TEMPERATURE
MAX5936 toc10
TEMPERATURE (°C)
SLEW RATE (V/ms)
60
35
10
-15
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
5.0
-40
85
C
GATE
= 0, C
LOAD
= 100µF
V
IN
= 48V
V
IN
= 72V
V
IN
= 12V
MAX5936_A INPUT VOLTAGE
STEP EVENT (NO FAULT)
MAX5936 toc11
4ms/div
V
GATE
10V/div
V
OUT
50V/div
I
IN
1A/div
V
PGOOD
50V/div
V
IN
50V/div
R
LOAD
= 75Ω
MAX5936_A INPUT VOLTAGE
STEP EVENT (FAULT)
MAX5936 toc12
4ms/div
V
GATE
10V/div
V
OUT
50V/div
I
IN
2A/div
V
PGOOD
50V/div
V
IN
50V/div
R
LOAD
= 75Ω
GATE TO V
EE
CLAMP VOLTAGE
AT POWER OFF
MAX5936 toc13
I
SINK
(mA)
GATE CLAMPING VOLTAGE (V)
18
16
14
12
10
8
6
4
2
0.5
1.0
1.5
2.0
2.5
3.0
0
0
20
V
EE
= GND = 0V
GATE TO V
EE
CLAMP VOLTAGE
MOSFET FULLY ENHANCED
MAX5936 toc14
I
SINK
(mA)
GATE CLAMPING VOLTAGE (V)
18
16
12 14
4
6
8
10
2
9
10
11
12
13
14
15
16
17
18
8
0
20
V
EE
= -48V, V
UVLO
= 2V
Typical Operating Characteristics (continued)
(V
EE
= -48V, GND = 0V, V
IN
= GND - V
EE
, all voltages are referenced to V
EE
, T
A
= +25°C, unless otherwise noted.)