Operating Temperature Range ......................... -40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range ............................ -60°C to +150°C
Lead Temperature (soldering, 10s) ................................. +300°C
Soldering Temperature (reflow) ....................................... +260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Thermal Characteristics
(Note 1)
µMAX
Junction-to-Ambient Thermal Resistance (θ
JA
) .......77.6°C/W
Junction-to-Case Thermal Resistance (θ
JC
) .................5°C/W
Note 1:
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to
www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics
PARAMETER
Input Voltage Range
(V
IN
= 12V, C
GATE-SOURCE
= 1nF, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
SYMBOL
V
IN
CONDITIONS
Operating range
Protection range
V
IN
= V
SRC
=
V
OUT
= 12V
V
IN
= V
SRC
=
V
OUT
= 30V
V
IN
= 12V
V
IN
= 30V
MIN
3
-36
260
290
44
64
36
240
0.97 ×
V
UV
V
UV
0.05 ×
V
UV
V
IN
rising
0.97 ×
V
OV
V
OV
0.05 ×
V
OV
1.03 ×
V
OV
TYP
MAX
30
+90
360
400
60
100
200
350
1.03 ×
V
UV
µA
V
V
V
V
µA
UNITS
V
SHDN
= high
Input Supply Current
I
IN
SHDN
= low
SRC Input Current
Internal Undervoltage Threshold
Internal Undervoltage-Threshold
Hysteresis
Internal Overvoltage Threshold
Internal Overvoltage-Threshold
Hysteresis
I
SRC
V
UV_TH
V
UV_HYS
V
OV_TH
V
OV_HYS
V
IN
= V
SRC
= 12V,
SHDN
= high
V
IN
= V
SRC
= 30V,
SHDN
= high
V
IN
rising
www.maximintegrated.com
Maxim Integrated
│
2
MAX16128/MAX16129
Load-Dump/Reverse-Voltage Protection Circuits
Electrical Characteristics (continued)
PARAMETER
Internal Cold-Crank Threshold
SYMBOL
V
CCK
(V
IN
= 12V, C
GATE-SOURCE
= 1nF, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
CONDITIONS
V
IN
falling
MIN
0.97 ×
V
CCK
TYP
V
CCK
0.05 ×
V
CCK
MAX16128
MAX16129
4
2
0.9 x V
IN
0.87 ×
V
IN
(Note 3)
V
GATE
rising (GND to V
SRC
+ 8V)
V
IN
rising (MAX16128) from
(0.9 × V
OV_TH
) to (1.1 × V
OV_TH
),
V
OUT
rising (MAX16129) from
(0.9 × V
OV_TH
) to (1.1 × V
OV_TH
)
V
IN
falling from (1.1 × V
UV_TH
) to
(0.9 × V
UV_TH
)
V
IN
rising (MAX16128) from
(0.9 × V
OV_TH
) to (1.1 × V
OV_TH
)
V
OUT
rising (MAX16129) from
(0.9 × V
OV_TH
) to (1.1 × V
OV_TH
)
V
IN
= V
SRC
= V
OUT
= 3V,
I
GATE
= -1µA
GATE Output Voltage High Above V
SRC
V
GS
V
IN
= V
SRC
= V
OUT
= 12V,
I
GATE
= -1µA
V
IN
= V
SRC
= V
OUT
= 24V,
I
GATE
= -1µA
V
IN
= V
SRC
= V
OUT
= 30V,
I
GATE
= -1µA
GATE Pulldown Current
GATE Charge-Pump Current
Thermal Shutdown
Thermal-Shutdown Hysteresis
SHDN
Logic-High Input Voltage
SHDN
Logic-Low Input Voltage
I
PD
I
GATE
T
+
∆T
V
IH
V
IL
1.4
0.4
V
GATE
= 12V
V
IN
= V
GATE
= V
SRC
= 12V
4.25
8
7
6.25
8.8
180
+145
15
150
150
1
MAX
1.03 ×
V
CCK
UNITS
V
V
MW
V
V
µs
ms
ms
Internal Cold-Crank Threshold Hysteresis V
CCK_HYS
OUT Input Resistance to Ground
POK Threshold Rising
POK Threshold Falling
Startup Response Time
Autoretry Timeout
GATE Rise Time
R
OUT
V
POK+
V
POK-
t
START
t
RETRY
t
RISE
t
OVG
Overvoltage-to-GATE Propagation Delay
1
µs
Undervoltage-to-GATE Propagation Delay
t
UVG
21
µs
Overvoltage to
FLAG
Propagation Delay
t
OV
1
µs
5
9
8.5
8
5.5
10
V
10
9.5
mA
µA
°C
°C
V
V
www.maximintegrated.com
Maxim Integrated
│
3
MAX16128/MAX16129
Load-Dump/Reverse-Voltage Protection Circuits
Electrical Characteristics (continued)
PARAMETER
SHDN
Input Pulse Width
SHDN
Input Pulldown Current
FLAG
Output Voltage Low
FLAG
Leakage Current
SYMBOL
t
PW
I
SPD
V
OL
I
IL
(V
IN
= 12V, C
GATE-SOURCE
= 1nF, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
CONDITIONS
MIN
6
0.8
FLAG
sinking 1mA
V
FLAG
= 12V
1.2
0.4
0.5
TYP
MAX
UNITS
µs
µA
V
µA
Note 2:
All parameters are production tested at T
A
= +25°C. Limits over the operating temperature range are guaranteed by design
and characterization.
Note 3:
The MAX16128/MAX16129 power up with the external MOSFETs in off mode (V
GATE
= V
SRC
). The external MOSFETs turn
on t
START
after the devices are powered up and all input conditions are valid.
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Embedded System
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