Typical operating characteristics – Rainbow Electronics MAX4884 User Manual
Page 4
MAX4881–MAX4884
Overvoltage Protection Controllers with
Current Limit in TDFN
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
IN
= 5V, T
A
= +25
°C, unless otherwise noted.)
GATE VOLTAGE vs. INPUT VOLTAGE
(MAX4881)
INPUT VOLTAGE (V)
GATE VOLTAGE (V)
MAX4881 toc04
0
1
2
3
4
5
6
7
8
0
3
6
9
12
OVLO TRIP POINT
UVLO TRIP POINT
BTB OFF CURRENT vs. TEMPERATURE
TEMPERATURE (
°C)
BTB OFF CURRENT (nA)
MAX4881 toc05
-40
-15
10
35
60
85
0.01
0.1
1
10
100
1000
V
EN
= 0
V
CB
= 0
V
BTB
= 5.5V
POWER-UP RESPONSE (MAX4884)
MAX4881 toc06
20ms/div
5V
10V
5V
0
0
5V
0
IN
GATE
BTA
OV
POWER-DOWN RESPONSE (MAX4884)
MAX4881 toc07
20ms/div
5V
0
5V
0
5V
0
IN
10V
GATE
0
BTA
OV
OVERVOLTAGE RESPONSE (MAX4884)
MAX4881 toc09
400ns/div
6V
3V
0
5V
0
IN
GATE
OV
20mA
I
GATE
EN vs. GATE (MAX4884)
MAX4881 toc08
100
µs/div
5V
0
10V
0
EN
GATE
I
IN
+ I
BTA
CURRENT vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
I
IN
+ I
BTA
CURRENT (
µ
A)
MAX4881 toc01
0
5
10
15
20
25
30
0
50
100
150
200
250
300
350
400
V
EN
= 0
V
CB
= 5V
OVLO TRIP POINT
UVLO TRIP POINT
I
IN
+ I
BTA
CURRENT vs. TEMPERATURE
TEMPERATURE (
°C)
I
IN
+ I
BTA
CURRENT (
µ
A)
MAX4881 toc02
-40
-15
10
35
60
85
0
50
100
150
200
250
300
350
400
GATE VOLTAGE vs. INPUT VOLTAGE
(MAX4884)
INPUT VOLTAGE (V)
GATE VOLTAGE (V)
MAX4881 toc03
0
1
2
3
4
5
6
7
8
0
3
6
9
12
UVLO TRIP POINT
OVLO TRIP POINT