MAX16947 Maxim, MAX16947 Datasheet - Page 4

• Manufacturer Part Number: MAX16947
• Description: The MAX16946/MAX16947 high-voltage, high-side, current-sense LDO/switches feature internal current limiting to prevent system damage due to fault conditions
• Manufacturer: Maxim

Remote Antenna, Current-Sense and
LDO/Switches
ELECTRICAL CHARACTERISTICS (continued)
(V
4
OLT Input Bias Current
Initial Open-Load Blanking
Time
Open-Load Glitch Immunity
Current-Limit Comparator
Input Common-Mode Range
Current-Limit Comparator
Input Offset Voltage
LIM Input Bias Current
Short-Circuit AOUT Voltage
Threshold
Short-Circuit Current
Blanking Time
Delay Time Before Retry
After Short-Circuit Current
Turn-Off
IN Overvoltage Lockout
Threshold
Short-to-BAT Threshold in
Off-State
Reverse-Current Detection
Level
Reverse-Current Shutdown
Time
Feedback Voltage Out of
Range
Reverse-Current Blanking
Time for Short-Circuit Events
OVERTEMPERATURE PROTECTION
Thermal Shutdown Threshold
Thermal Shutdown
Hysteresis
LOGIC
SC, OL Output-Voltage Low
SC, OL Open-Drain Leakage
Current
IN
______________________________________________________________________________________
= 12V, V
PARAMETER
GND
= 0V, T
A
= -40NC to +105NC, unless otherwise noted. Typical values are at T
t
t
REV_BLANK
OL_GLITCH
V
V
I
SYMBOL
I
I
V
SC_LEAK
V
LIM_BIAS
t
OL_LEAK
LIM_CMR
OUT_BAT
t
t
V
SD_REV
T
T
LIM_OS
BLANK
FB_ERR
RETRY
V
I
SHDN
V
OVLO
V
HYST
t
OLT
REV
OL
SC
OL
,
V
V
A switched open load is blanked for t
I
If V
voltage at LIM is 3V (Note 2)
V
V
V
Rising V
asserts low, hysteresis of 40mV,
4.5V < V
I
I
V
Short to battery detected when V
< V
Power switch on (SW or LDO mode), V
= V
V
es V
Delay to shut down switch or LDO after
V
LDO mode
Switching on and off into a temporary load
(short-circuit events)
Sinking current = 1mA
SC, OL not asserted, V
T
OUT
OUT
OUT
OLT
OLT
LIM
LIM
LIM
IN
AOUT
REV
A
= +25NC
LIM
OUT_BAT
IN
rising, hysteresis = 0.5V (typ)
AOUT
= 2.675V
< I
= 2.675V, T
= 2.675V, T
> I
> I
= 1.05V, T
= 1.05V, T
exceeds -7.7mV (typ), T
- V
is derived from REF then maximum
= 150mV, V
OL
SC
SC
AOUT
IN
SENS,
= 250mV
< 18V
at which the SC output
CONDITIONS
V
A
A
REV
A
A
= +25NC
= +105NC
= +25NC
= +105NC
REV
= -9.6mV produces
SC
= -5.7mV produc-
= V
OL
A
= +25NC
IN
= 5V,
- V
OL
OUT
REV
A
1100
1.65
1.12
MIN
-0.5
-0.5
-9.6
100
100
-80
1.7
= T
10
19
0
J
= +25NC.)
+170
TYP
250
1.7
21
16
15
0
0
0
MAX
+0.5
+0.5
3.65
1.75
1.28
+80
100
500
-5.7
0.4
23
5
1
UNITS
mV
mV
mV
FA
ms
FA
ms
ms
ms
FA
NC
NC
Fs
Fs
V
V
V
V
V