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MAX16948 Datenblatt(PDF) 4 Page - Maxim Integrated Products

Teilenummer MAX16948
Bauteilbeschribung  Automotive Dual Remote Antenna Current-Sense LDO/Switch
PDF  15 Pages
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Hersteller  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX16948 Datenblatt(HTML) 4 Page - Maxim Integrated Products

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MAX16948
Automotive Dual Remote Antenna
Current-Sense LDO/Switch
4
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 14V, TA = TJ = -40NC to +105NC, unless otherwise noted. Typical values are at TA = TJ = +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FAILURE DETECTION
LIM1 and LIM2 Current-Limit
Threshold Voltage
VLIM1/LIM2,TH
Voltage on LIM1 and LIM2 for which
output current is limited
2.375
2.5
2.625
V
IN Overvoltage Lockout
Threshold (Rising)
VOVLO,R
VIN rising
19
21
23
V
IN Overvoltage Lockout
Threshold (Falling)
VOVLO,F
VIN falling
18.5
V
IN Overvoltage Lockout
Hysteresis
VOVLO,H
600
mV
Short-to-BAT Threshold in Off
State
VS2B
VOUT1/OUT2 - VIN, checked during turn-
on sequence
-500
-80
+110
mV
Reverse Current Detection
Level
IREVCUR
Power FET on (SW or LDO mode)
-100
-50
-1
mA
Reverse Current (Short-to-BAT)
Shutdown Delay
tPD-RC
Delay to shutdown the switch or LDO
after drop over RON becomes negative,
IOUT1/OUT2 = -200mA (typ), TA = +25NC
4.16
20
F
s
Reverse Current Blanking Time
tBLK-RC
Blanking time for reverse current and
FB1/FB2 out of range after rising edge
of SHDN1, SHDN2, or current limiting
event is over
16
ms
Feedback Voltage Out of
Range
VFBERR
LDO mode, internal pulldown resistor
switched on, FB rising
1.12
1.15
1.28
V
Feedback Voltage Out-of-
Range Hysteresis
VFBERR-HYS
LDO mode, internal pulldown resistor
switched on (Note 3)
39
100
mV
OVERTEMPERATURE PROTECTION (Note 3)
Thermal Shutdown
TSHDN
160
N
C
Thermal Shutdown Hysteresis
TSHDN-HYS
15
N
C
SUPPORTING CIRCUITS, INTERFACE SIGNALS
Internal Voltage Regulator
VREG
TA = +25NC, IREG = 0mA,
VIN = 4.5V to 18V
4
5
5.5
V
TA = +25NC, IREG = 0mA,
VIN = 6.5V to 18V
4.5
5
5.5
V
Internal Voltage Regulator
Current Limit
IREG
(Note 4)
15
mA
ERR1 and ERR2 Output-
Voltage Low
VOL
Sinking current = 10mA
0.4
V
ERR1 and ERR2 Open-Drain
Leakage Current
ERR1 and ERR2 not asserted, VERR1/
ERR2 = 5V, TA = +25NC
1
F
A
SHDN1 and SHDN2 High
VSHDN1/SHDN2,HI
2.8
V
SHDN1 and SHDN2 Low
VSHDN1/SHDN2,LO
0.8
V



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