Typical operating characteristics, Electrical characteristics (continued) – Rainbow Electronics MAX4880 User Manual
Page 3
MAX4880
Overvoltage-Protection Controller with
Internal Disconnect Switch
_______________________________________________________________________________________
3
Note 1: All devices are 100% tested at T
A
= +25
°C. Electrical limits over the full temperature range are guaranteed by design.
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 5V, T
A
= -40
°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25
°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FLAGV Assertion Delay
t
FLAGV
V
IN
increasing from 5V to 8V at 3V/µs,
V
FLAGV
= 0.4V (Figure 2)
5.8
µs
Initial Overvoltage Fault Delay
t
OVP
V
IN
increasing from 0 to 8V,
I
GATE
= 80% of I
PD
(Figure 3)
100
ns
Disable Time
t
DIS
V
EN
= 2.4V, V
GATE
= 0.3V (Figure 4)
580
ns
EN, CB INPUTS
Input-High Voltage
V
IH
1.4
V
Input-Low Voltage
V
IL
0.5
V
Input Leakage
1
µA
FLAGV, BAT_OK OUTPUTS
Output Voltage Low
V
OL
I
SINK
= 1mA,
FLAGV, BAT_OK assert
0.4
V
Leakage Current
V
BAT_OK
= V
FLAGV
= 5.5V
1
µA
THERMAL PROTECTION
Thermal Shutdown
+150
°C
Thermal Hysteresis
40
°C
Typical Operating Characteristics
(V
IN
= 5V, T
A
= +25
°C, otherwise noted.)
I
IN
+ I
BTA
CURRENT vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
I
IN
+ I
BTA
CURRENT (
μ
A)
MAX4880 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)
MAX4880 toc02
-40
-15
10
35
60
85
0
50
100
150
200
250
300
350
400
GATE VOLTAGE vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
GATE VOLTAGE (V)
MAX4880 toc03
0
1
2
3
4
5
6
7
8
0
3
6
9
12
UVLO TRIP POINT
OVLO TRIP POINT