Datasheet

LTC4413
3
4413fc
PowerPath is a trademark of Linear Technology Corporation.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC4413 is guaranteed to meet performance specifi cations
from 0°C to 85°C. Specifi cations over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Quiescent current increases with diode current, refer to plot of I
QF
vs I
OUT
.
Note 4: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions.
Overtemperature protection will become active at a junction temperature
greater than the maximum operating temperature. Continuous operation
above the specifi ed maximum operating junction temperature may impair
device reliability.
Note 5: This specifi cation is guaranteed by correlation to wafer-level
measurements.
Note 6: Unless otherwise specifi ed, current into a pin is positive and
current out of a pin is negative. All voltages referenced to GND.
Note 7: Guaranteed by design.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
LEAK
V
INA
or V
INB
Current When V
OUTA
or V
OUTB
Supplies Power
V
IN
= 0V, V
OUT
= 5.5V –1 1 μA
V
RTO
Reverse Turn-Off Voltage (V
OUT
– V
IN
)V
IN
= 3.6V –5 10 mV
V
FWD
Forward Voltage Drop (V
IN
– V
OUT
)
at I
OUT
= –1mA
V
IN
= 3.6V
l
28 38 mV
R
FWD
On-Resistance, R
FWD
Regulation
(Measured as ΔV/ΔI)
V
IN
= 3.6V, I
OUT
= –100mA to –500mA
(Note 5)
100 140 mΩ
R
ON
On-Resistance, R
ON
Regulation
(Measured as V/I at I
IN
= 1A)
V
IN
= 3.6V, I
OUT
= –1.0A (Note 5) 140 200 mΩ
t
ON
PowerPath™ Turn-On Time V
IN
= 3.6V, from ENB Falling to I
IN
Ramp
Starting (Note 7)
50 μs
t
OFF
PowerPath Turn-Off Time V
IN
= 3.6V, I
OUT
= –100mA (Note 7) 4 μs
Short-Circuit Response
I
OC
Current Limit V
INX
= 3.6V (Notes 4, 5) 1.8 A
I
QOC
Quiescent Current While in
Overcurrent Operation
V
INX
= 3.6V, I
OUT
= 1.9A (Notes 4, 5) 150 300 μA
STAT Output
I
SOFF
STAT Off Current Shutdown
l
–1 0 1 μA
I
SON
STAT Sink Current V
IN
> V
OUT
, V
ENB
< V
ENBIL
, I
OUT
< I
MAX
7917 μA
t
S(ON)
STAT Pin Turn-On Time 1μs
t
S(OFF)
STAT Pin Turn-Off Time 1μs
ENB Inputs
V
ENBIH
ENB Inputs Rising Threshold Voltage V
ENB
Rising
l
540 600 mV
V
ENBIL
ENB Inputs Falling Threshold Voltage V
ENB
Falling
l
400 460 mV
V
ENBHYST
ENB Inputs Hysteresis V
ENBHYST
= (V
ENBIH
– V
ENBIL
)90mV
I
ENB
ENB Inputs Pull-Down Current V
OUT
< V
IN
= 3.6V, V
ENB
> V
ENBIL
l
1.5 3 4.5 μA
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. (Notes 2, 6)