ltc1875egn-trpbf Linear Technology Corporation, ltc1875egn-trpbf Datasheet - Page 5

• Manufacturer Part Number: ltc1875egn-trpbf
• Description: 15?a Quiescent Current 1.5a Monolithic Synchronous Step-down Regulator
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
200mA/DIV
100mV/DIV
100mV/DIV
5V/DIV
1A/DIV
1V/DIV
V
V
OUT
SW
OUT
I
TH
I
I
L
L
V
V
L = 6.8 H
Burst Mode Operation
V
V
L = 6.8 H
Load Step Response (Pulse
Skipping Mode)
IN
OUT
IN
OUT
= 3.6V
= 4.2V
= 1.5V
= 2.5V
C
C
I
C
C
I
LOAD
LOAD
IN
OUT
IN
OUT
100 s/DIV
= 22 F
= 22 F
25 s/DIV
= 47 F
= 200mA to 1700mA
= 47 F
= 50mA
W
U
1875 G09
1875 G11
200mA/DIV
100mV/DIV
500mA/DIV
RUN/SS
5V/DIV
1V/DIV
V
OUT
SW
I
VIN
I
L
Soft-Start with Shorted Output
Pulse Skipping Mode Operation
V
V
L = 6.8 H
V
V
L = 6.8 H
IN
OUT
IN
OUT
= 3.6V
= 4.2V
= 0V
= 2.5V
C
C
I
C
C
I
LOAD
LOAD
IN
OUT
IN
OUT
= 22 F
= 22 F
5ms/DIV
1 s/DIV
= 47 F
= 47 F
= 50mA
= 0A
1875 G12
1875 G10
LTC1875
5
1875f