Survives burst pulses up to 80V with 2Ω series resistance and hot plug events. Above the input clamp voltage, the IN must
be a surge in nature with a limited energy.
Note 2:
Limited by the PCB thermal design.
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 3)
WLP
Junction-to-Ambient Thermal Resistance (θ
JA
)
..........52°C/W
TDFN
Junction-to-Ambient Thermal Resistance (θ
JA
)
..........41°C/W
Junction-to-Case Thermal Resistance (θ
JC
)
.................9°C/W
Note 3:
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
(V
IN
= +3V to +28V, V
OUT
= +3V to +24V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
IN
= +5V, T
A
= +25°C.)
(Note 4)
PARAMETER
Input Startup Voltage
Input Sustaining Voltage
Input Clamp Voltage
Input Supply Current
Output Startup Voltage
Output Sustaining Voltage
Output Supply Current
Output Shutdown Current
IN Leakage Voltage
IN Discharge Current
SYMBOL
V
INBT
V
INBU
I
OUT
= 0A
V
OVLO
= 0V, V
IN
= 5V, ACOK is
unconnected, I
OUT
= 0mA
I
IN
= 0A
V
OVLO
= 0V, V
OUT
= 5V, I
IN
= 0mA,
V
OTG_EN
= 1.8V
V
OVLO
= 3V, V
OUT
= 5V, V
IN
= 0V,
V
OTG_EN
= 0V
V
OUT
= 21V, IN unconnected,
V
OTG_EN
= 0V
V
IN
= V
OUT
= 5V, IN discharge current after
an OTG_EN transition from high to low
V
IN_CLAMP
I
IN
= 10mA, T
A
= +25°C
I
IN
V
OUTBT
V
OUTBU
I
OUT
CONDITIONS
MIN
TYP
2.17
1.5
33.7
100
2.15
1.5
83
6
0.001
100
190
3
2.3
170
12
0.1
150
MAX
3
2.3
UNITS
V
V
V
µA
V
V
µA
µA
V
mA
www.maximintegrated.com
Maxim Integrated │
2
MAX14670–MAX14673
Bidirectional Current-Blocking, High-Input
Overvoltage Protector
with Adjustable OVLO
Electrical Characteristics (continued)
(V
IN
= +3V to +28V, V
OUT
= +3V to +24V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
IN
= +5V, T
A
= +25°C.)
(Note 4)
PARAMETER
OVP (IN TO OUT)
On-Resistance (IN to OUT)
R
ON
V
IN
= 5V,
I
OUT
= 100mA
MAX14670
Internal Overvoltage Trip Level
V
IN_OVLO
MAX14671
MAX14672
OVLO Set Threshold
Adjustable OVLO Threshold
Range
External OVLO Select Threshold
ACOK Output High Voltage
ACOK Leakage Current
ACOK
Output Low Voltage
ACOK
Leakage Current
OTG_EN Input Logic High
OTG_EN Input Logic Low
OTG_EN Input Leakage Current
V
IH
V
IL
I
IN
0V ≤ V
IN
≤ V
IL
and V
IH
≤ V
IN
≤ V
CC
,
V
CC
= 5.5V
V
IN
= 5V to charge pump on (V
OUT
= 10%
of V
IN
), R
LOAD
= 100Ω, C
LOAD
= 10µF
V
IN
= 5V to V
OUT
= 90% of V
IN
,
R
LOAD
= 100Ω, C
LOAD
= 10µF
V
IN
= 5V, R
LOAD
= 100Ω, C
LOAD
= 10µF,
V
OUT
= 20% of V
IN
to 80% of V
IN
From V
IN
> V
OVLO
to V
OUT
= 80% of V
IN
,
R
LOAD
= 100Ω
Time from OTG_EN high to V
IN
= 80% of
V
OUT
, V
OUT
= 5V, C
IN
= 10µF
V
IN
= V
OUT
= 5V, current pulse duration
after an OTG_EN transition from high to low
-1
V
OL
V
OVLO_TH
V
OVLO_EXT
V
OVLO_SEL
V
ACOK
I
SOURCE
≤ 100µA, V
IN
> 3V
Pull down to ground, V
OUT
= 5V,
OTG_EN = high, ACOK deasserted
V
IO
= 3.3V, I
SINK
= 1mA
V
IO
= 3.3V,
ACOK
deasserted
1.6
0.4
+1
WLP, T
A
= +25°C
TDFN, T
A
= +25°C
V
IN
rising
V
IN
falling
V
IN
rising
V
IN
falling
V
IN
rising
V
IN
falling
6.6
6.5
15.0
14.5
5.65
5.55
1.18
5
0.2
1.6
0.25
1.8
1.221
1.26
22
0.3
2.0
1
0.4
1
V
V
V
V
µA
V
µA
V
V
µA
5.825
6.0
15.5
16.0
V
65
85
6.8
87
110
7.0
mΩ
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL SIGNALS (ACOK,
ACOK,
OTG_EN)
TIMING CHARACTERISTICS (Figure 1)
IN Debounce Time
IN/OUT Soft-Start Time
IN OVP Turn-On Time During
Soft-Start
IN OVP Turn-Off Response Time
OTG Turn-On Time
In-Discharge Pulse Duration
t
DEB
t
SS
t
ON
t
OFF
t
OTG_ON
20
25
1.5
1
1.4
1.1
ms
ms
ms
µs
ms
ms
www.maximintegrated.com
Maxim Integrated │
3
MAX14670–MAX14673
Bidirectional Current-Blocking, High-Input
Overvoltage Protector
with Adjustable OVLO
Electrical Characteristics (continued)
(V
IN
= +3V to +28V, V
OUT
= +3V to +24V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
IN
= +5V, T
A
= +25°C.)
(Note 4)
PARAMETER
THERMAL PROTECTION
Thermal Shutdown
Thermal Hysteresis
ESD PROTECTION
Human Body Model
IEC 61000-4-2 Contact
Discharge
IEC 61000-4-2 Air-Gap Discharge
IN pin
IN pin
IN pin
±15
±8
±8
kV
kV
kV
T
SHDN
T
HYST
150
20
°C
°C
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Note 4:
All devices are 100% production tested at T
A
= +25°C. Limits over the operating temperature range are guaranteed by
微控制器 MCU
