Electrical characteristics (continued) – Rainbow Electronics MAX4884 User Manual
Page 3
MAX4881–MAX4884
Overvoltage Protection Controllers with
Current Limit in TDFN
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT VOLTAGE (IN)
Input Voltage Range
V
IN
1.2
28
V
MAX4881/MAX4883
5.5
5.6
5.7
Overvoltage Trip Level
OVLO
V
IN
rising
MAX4882/MAX4884
4.4
4.5
4.6
V
Overvoltage-Trip-Level
Hysteresis
50
mV
MAX4881/MAX4883
4.2
4.35
4.5
Undervoltage Lockout Threshold
UVLO
V
IN
falling
MAX4882/MAX4884
2.4
2.55
2.7
V
Undervoltage Lockout Hysteresis
50
mV
Supply Current
I
IN
+ I
BTA
No load, V
EN
= 0 or 5.5V,
V
IN
= V
OVLO (MIN)
- 0.1V, V
CB
= V
IN
240
380
µA
INTERNAL SWITCH
BTA Input Range
V
BTA
2.8
5.7
V
BTA Undervoltage Lockout
BTA
UVLO
V
BTA
falling
2.4
2.7
V
BTA-Undervoltage-Lockout
Hysteresis
50
mV
MAX4881/MAX4882, V
BTB
= GND
1
1.1
1.25
Switch-Forward Current Limit
I
FWD
MAX4883/MAX4884, V
BTB
= GND
0.6
0.7
0.775
A
MAX4881/MAX4882
1.25
Switch-Reverse Current Limit
I
REV
MAX4883/MAX4884
0.775
A
V
BTA
= 5V
(MAX4881/MAX4883)
110
Voltage Drop (V
BTA
- V
BTB
)
I
L
= 400mA
V
BTA
= 4V
(MAX4882/MAX4884)
110
mV
Blanking Time
t
BLANK
20
50
80
ms
BTB Off Current
I
BTB-OFF
V
EN
= 0, V
CB
= 0
1
µA
GATE
V
IN
= 5V (MAX4881/MAX4883)
9
10
GATE Voltage
V
GATE
I
GATE
sourcing
1µA
V
IN
= 4.3V
(MAX4882/MAX4884)
7.6
8.6
V
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +5V (MAX4881/MAX4883), V
IN
= +4V (MAX4882/MAX4884), T
A
= -40°C to +85°C, unless otherwise noted. Typical values are
at T
A
= +25°C.) (Note 1)
Note 1: All devices are 100% tested at T
A
= +25
°C. Electrical limits over the full temperature range are guaranteed by design.