Datasheet

2
LTC4411
4411fa
IN, OUT, STAT, CTL Voltage .......................... –0.3 to 6V
Operating Ambient Temperature Range
(Note 2) ...............................................–40°C to 85°C
Operating Junction Temperature
(Note 3) .............................................–40°C to 125°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
Continuous Power Dissipation
(Derate 10mW/°C above 70°C)...................... 500mW
ORDER PART
NUMBER
S5 PART
MARKING
T
JMAX
= 125°C, θ
JA
= 250°C/W (Note 3)
LTAEN
LTC4411ES5
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
(Note 1)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
5 OUT
4 STAT
IN 1
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC SOT-23
GND 2
CTL 3
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 6)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
, V
OUT
Operating Supply Range ● 2.6 5.5 V
I
QF
Quiescent Current in Forward Regulation V
IN
= 3.6V, I
LOAD
= 100mA 40 µA
(Note 4)
I
Q(Off)
Quiescent Current in Shutdown V
IN
= 3.6V, V
STAT
= 0V, V
CTL
> V
IH
● 22 25 µA
I
QRIN
Quiescent Current While in Reverse V
IN
= 3.6V ● 1.3 1.8 2.3 µA
Turn-Off. Current Drawn from V
IN
V
OUT
= 3.7V
I
QROUT
Quiescent Current While in Reverse V
IN
= 3.6V ● 14 17 23 µA
Turn-Off. Current Drawn from V
OUT
V
OUT
= 3.7V
I
LEAK
V
IN
Current When V
OUT
Supplies Power V
IN
= 0V, V
OUT
= 5.5V –1 1 µA
V
FWD
Forward Turn-On Voltage (V
IN
– V
OUT
)V
IN
= 3.6V ● 81728 mV
–V
RTO
Reverse Turn-Off Voltage (V
OUT
– V
IN
)V
IN
= 3.6V –4 5 14 mV
R
FWD
Forward ON Resistance, ∆(V
IN
-V
OUT
)/∆(I
LOAD
)V
IN
= 3.6V, 100mA < I
LOAD
< 500mA ● 100 140 mΩ
R
ON
ON Resistance in Constant R
ON
Mode V
IN
= 3.6V, I
LOAD
= 1000mA ● 140 245 mΩ
UVLO Undervoltage Lockout V
IN
Rising, 0°C < T
A
< 85°C 2.5 V
V
IN
Rising ● 2.6 V
V
IN
Falling ● 1.6 V
STAT Output
I
S(SNK)
STAT Pin Sink Current V
IN
= 3.6V, V
OUT
> V
IN
+ V
RTO
, 7 11 18 µA
V
CTL
> V
TH
+ V
HYST
I
S(OFF)
STAT Pin Off Current V
IN
= 3.6V, V
OUT
< V
IN
– V
FWD
,–1 1µA
V
CTL
< V
TH
– V
HYST
t
S(ON)
STAT Pin Turn-On Time 1.2 1.4 µs
t
S(OFF)
STAT Pin Turn-Off Time 1.1 1.25 µs
CTL Input
V
TH
CTL Input Threshold Voltage V
TH
= (V
IL
+ V
IH
)/2 ● 390 460 530 mV
V
HYST
CTL Input Hysteresis V
HYST
= (V
IH
– V
IL
)90mV
I
CTL
CTL Input Pull-Down Current V
OUT
< V
IN
= 3.6V, V
CTL
= 1.5V ● 2 3.5 6 µA
Short-Circuit Response
I
OC
Current Limit V
IN
= 3.6V (Note 5) 1.8 2.6 A
I
QOC
Quiescent Current While in V
IN
= 3.6V, I
OUT
= 1.8A 575 1100 µA
Overcurrent Operation