Datasheet

LTC3677-3
14
36773f
Typical perForMance characTerisTics
OVSENS Quiescent Current
vs Temperature
T
J
= 25°C unless otherwise specified
Rising Overvoltage Threshold
vs Temperature
TEMPERATURE (°C)
–40
QUIESCENT CURRENT (µA)
33
35
37
60
36773 G34
31
29
27
–15
10
35
85
V
OVSENS
= 5V
TEMPERATURE (°C)
–40
OPV THRESHOLD (V)
6.270
6.275
6.280
60
36773 G35
6.265
6.260
6.255
–15
10
35
85
OVP Reconnection Waveform
V
BUS
5V/DIV
OVGATE
5V/DIV
500µs/DIV
36773 G33
OVP INPUT
VOLTAGE
10V TO 5V
STEP 5V/DIV
OVP Connection Waveform
OVP Protection Waveform
V
BUS
5V/DIV
OVGATE
5V/DIV
500µs/DIV
36773 G31
OVP INPUT
VOLTAGE
0V TO 5V
STEP 5V/DIV
V
BUS
5V/DIV
OVGATE
5V/DIV
500µs/DIV
36773 G32
OVP INPUT
VOLTAGE
5V TO 10V
STEP 5V/DIV
Step-Down Switching Regulator 3
Soft-Start and Shutdown
V
OUT1
100mV/DIV
(AC)
V
OUT3
I
L3
2V
1V
0V
400mA
200mA
0mA
36773 G30
50µs/DIVV
OUT1
= 1.8V
I
OUT1
= 100mA
R
OUT3
= 3Ω