MAX4971EVKIT+ Maxim Integrated, MAX4971EVKIT+ Datasheet - Page 3

• Manufacturer Part Number: MAX4971EVKIT+
• Description: Power Switch ICs - Power Distribution Overvoltage-Protection Controllers with a Low RON Internal FET
• Manufacturer: Maxim Integrated

Specifications of MAX4971EVKIT+

• On Resistance (max): 90 mOhms
• On Time (max): 13 ms
• Off Time (max): 8 us
• Operating Supply Voltage: 2.2 V to 28 V
• Maximum Power Dissipation: 678 mW

ELECTRICAL CHARACTERISTICS (continued)
(V
Note 2: All specifications are 100% production tested at T
Switch On-Resistance
Overcurrent Protection Threshold
GP Clamp Voltage
GP Pulldown Resistor
GP Pullup Resistor to IN
EN Input-Voltage High
EN Input-Voltage Low
EN Input Leakage Current
ACOK Output-Low Voltage
ACOK High Leakage Current
Thermal Shutdown
Thermal-Shutdown Hysteresis
Maximum Output Capacitance
TIMING CHARACTERISTICS (Figure 1)
Debounce Time
Switch Turn-On Time
ACOK Assertion Time
Switch Turn-Off Time
Current Limit Turn-Off Time
Autoretry Time
IN
= +2.2V to +28V, T
and are guaranteed by design.
PARAMETER
_______________________________________________________________________________________
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
Overvoltage-Protection Controllers
SYMBOL
R
R
t
t
t
t
V
C
BLANK
INDBC
RETRY
ACOK
R
t
V
I
GPPD
GPPU
V
t
V
I
OFF
GPC
LIM
OUT
ON
EN
ON
OL
IH
IL
V
V
V
V
V
V
V
EN = low,
V
V
V
EN = high, V
V
I
V
Time from V
100Ω, C
V
C
V
V
V
V
R
Overcurrent fault to internal switch off
From overcurrent fault to internal switch
turn-on, Figure 2
SINK
U V LO
U V LO
IN
IN
IN
IN
IN
IN
IN
GP
GP
GP
EN
ACOK
UVLO
IN
IN
LOAD
LOAD
with a Low R
= 5V (MAX4970),
= 5.5V (MAX4971),
= 3.8V (MAX4972); I
= 5V (MAX4970),
= 5.5V (MAX4971),
= 3.8V (MAX4972)
- V
< V
> V
= 5V
= V
= V
= V
= 1mA
GP
< V
< V
< V
= 100Ω
= 5.5V, ACOK deasserted
= 1µF from EN low to 90% of V
UVLO
OVLO
A
IN
IN
IN
LOAD
, V
= +25°C, unless otherwise noted. Specifications are over -40°C to +85°C
IN
IN
IN
= 5V (MAX4970),
= 5.5V (MAX4971),
= 3.8V (MAX4972)
IN
UVLO
to ACOK l ow ( M AX 4970/M AX 4971)
< V
IN
< V
to internal switch off
to internal switch off,
= 1µF to charge-pump enable
up to 28V
= 5V
CONDITIONS
OV LO
OVLO
< V
IN
to AC OK l ow ( M AX 4972)
, R
< V
OUT
LOAD
OVLO
= 400mA
= 100Ω,
, R
LOAD
OUT
ON
A
=
= +25°C.) (Note 2)
Internal FET
2.30
MIN
5.4
1.4
16
9
+150
TYP
3.36
7.0
40
36
15
40
15
13
15
10
15
4
5
MAX
1000
8.5
0.4
0.4
90
54
25
11
1
1
8
UNITS
mΩ
kΩ
kΩ
ms
ms
ms
ms
µA
µA
°C
°C
µF
µs
µs
A
V
V
V
V
3