max5938 Maxim Integrated Products, Inc., max5938 Datasheet - Page 6

• Manufacturer Part Number: max5938
• Description: Max5938 -48v Hot-swap Controller With Vin Step Immunity, No Rsense, And Overvoltage Protection
• Manufacturer: Maxim Integrated Products, Inc.

-48V Hot-Swap Controller with V
No R
6
(V
unless otherwise noted.)
EE
_______________________________________________________________________________________
= -48V, GND = 0V, V
SENSE
3.0
2.5
2.0
1.5
1.0
0.5
0
INPUT VOLTAGE STEP EVENT (NO FAULT)
IRFR1310
R
R
0
IN
OVERVOLTAGE TRANSIENT (NO FAULT)
CB_ADJ
LOAD
ALL VOLTAGES REFERENCED TO V
POWER-OFF vs. GATE SINK CURRENT
V
EE
GATE TO V
= GND - V
, and Overvoltage Protection
2
= GND = 0V
= 80Ω
= 2kΩ
4
6
EE
EE
8
I
4ms/div
CLAMP VOLTAGE AT
SINK
4ms/div
, POL_SEL = floating, all voltages are referenced to V
10
(mA)
12
14
Typical Operating Characteristics (continued)
EE
16
MAX5938 toc11
MAX5938 toc13
18
20
V
50V/div
V
10V/div
V
50V/div
V
50V/div
I
1A/div
V
50V/div
V
10V/div
V
50V/div
V
50V/div
IN
IN
GATE
OUT
PGOOD
GND
GATE
OUT
PGOOD
18
17
16
15
14
13
12
11
10
9
8
FULLY ENHANCED vs. GATE SINK CURRENT
IRFR1310
R
R
GATE TO V
0
CB_ADJ
LOAD
V
EE
2
= -48V, V
= 20Ω
OVERVOLTAGE TRANSIENT TO
= 2kΩ
INPUT VOLTAGE STEP TO
4
FAULT MANAGEMENT
FAULT MANAGEMENT
EE
6
ON
CLAMP VOLTAGE MOSFET
t
= V
OVREJ
IN
8
I
4ms/div
SINK
2ms/div
OFF
10
(mA)
= 2V
CIRCUIT-BREAKER
THRESHOLD
12 14
Step Immunity,
EE
, unless otherwise noted. T
16
MAX5938 toc12
MAX5938 toc14
18
20
V
50V/div
V
10V/div
V
100V/div
V
100V/div
I
2A/div
V
50V/div
V
10V/div
V
50V/div
V
50V/div
IN
IN
GATE
OUT
PGOOD
IN
GATE
OUT
PGOOD
A
= +25°C,