Datasheet

LTC3615/LTC3615-1
8
3615fb
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Typical perForMance characTerisTics
Switch Leakage vs Temperature
No Load Supply Current
vs Input Voltage
No Load Supply Current
vs Temperature
Slew Rate of Falling Edge at
SW1/2 vs SRLIM Resistor
Slew Rate of Rising Edge at
SW1/2 vs SRLIM Resistor
Sinking Current
V
OUT
20mV/DIV
SW
2V/DIV
I
L
500mA/DIV
1µs/DIV
3615 G30
V
OUT
= 1.2V
I
OUT
= –1A
V
MODE
= 1.5V
Tracking Up/Down in
Forced Continuous Mode,
SRLIM Pin Tied to 0V
V
OUT1
1V/DIV
V
TRACK/SS
500mV/DIV
PGOOD
2V/DIV
2ms/DIV
3615 G31
V
OUT
= 0V TO 1.8V
I
OUT
= 3A
V
TRACK/SS
= 0V TO 0.7V
V
MODE
= 1.5V
V
SRLIM
= 0V
Tracking Up/Down in
Forced Continuous Mode,
SRLIM Pin Tied to SV
IN
V
TRACK/SS
200mV/DIV
V
OUT1
500mV/DIV
PGOOD
2V/DIV
2ms/DIV
3615 G32
V
OUT
= 0V TO 1.2V
I
OUT
= 3A
V
TRACK/SS
= 0V TO 0.4V
V
MODE
= 1.5V
V
SRLIM
= 3.3V
V
IN
= 3.3V, R
T
/SYNC = SV
IN
, unless otherwise noted.
2ns/DIV
3615 G28
SRLIM =
SGND OR SV
IN
V
IN
= 3.3V
V
OUT
= 1.8V
I
OUT
= 1A
OPEN
100k
1V/DIV
40.2k
1V/DIV
2ns/DIV
3615 G29
SRLIM =
SGND OR SV
IN
V
IN
= 3.3V
V
OUT
= 1.8V
I
OUT
= 1A
OPEN
100k
40.2k
V
IN
(V)
2.25
SUPPLY CURRENT (µA)
3615 G26
3.25 3.75
2.75
5.25
4.25 4.75
80
180
40
140
60
160
20
0
120
100
MODE = 0V
RUNx = ITHx = SV
IN
TEMPERATURE (°C)
–60
SWITCH LEAKAGE (µA)
2.0
4.0
10
1.0
3.5
1.5
0.5
0
3.0
2.5
–25
8045
115 150
3615 G25
SYNCHRONOUS SWITCH
MAIN SWITCH
–60
10
–25
8045
115 150
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
3615 G27
80
180
40
140
60
160
20
0
120
100
MODE = 0V
RUNx = ITHx = SV
IN
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