Datasheet

MCP1755/1755S
DS25160A-page 12  2012 Microchip Technology Inc.
Note 1: Unless otherwise indicated V
R
=3.3V, C
OUT
= 1 µF Ceramic (X7R), C
IN
= 1 µF Ceramic (X7R), I
L
=1mA,
T
A
=+25°C, V
IN
=V
R
+1V or V
IN
= 3.6V (whichever is greater), SHDN =V
IN
, package = SOT-223
FIGURE 2-19: Load Regulation vs.
Temperature.
FIGURE 2-20: Load Regulation vs.
Temperature.
FIGURE 2-21: Line Regulation vs.
Temperature.
FIGURE 2-22: Line Regulation vs.
Temperature.
FIGURE 2-23: Line Regulation vs.
Temperature.
FIGURE 2-24: Power Supply Ripple
Rejection vs. Frequency.
005
0.10
0.15
0.20
0.25
0.30
0.35
0.40
d
Regulation (%)
V
IN
= 16V
V
IN
= 12V
V
IN
= 10V
V
IN
= 6V
V
IN
= 4.3V
-0.10
-0.05
0.00
0
.
05
-40 -25 -10 5 20 35 50 65 80 95 110 125
Loa
d
Temperature (°C)
V
OUT
= 3.3V
I
OUT
= 1 mA to 300 mA
-0.10
-0.05
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
-40 -25 -10 5 20 35 50 65 80 95 110
125
Load Regulation (%)
Temperature ( C)
V
OUT
= 5.0V
I
OUT
= 1 mA to 300 mA
V
IN
= 16V
V
IN
= 12V
V
IN
= 6V
V
IN
= 10V
0.015
0.020
0.025
0.030
0.035
0.040
0.045
Regulation (%/V)
V
OUT
= 1.8V
300 mA
150 mA
100 mA
50 mA
0 mA
0.000
0.005
0.010
-40 -25 -10 5 20 35 50 65 80 95 110 125
Line
Temperature (°C)
10 mA
0 005
0.010
0.015
0.020
0.025
0.030
Regulation (%/V)
V
OUT
= 3.3V
300 mA
150 mA
100 mA
50 mA
0 mA
-0.005
0.000
0
.
005
-40 -25 -10 5 20 35 50 65 80 95 110 125
Line
Temperature (°C)
10 mA
-0.01
0.00
0.01
0.01
0.02
0.02
0.03
0.03
-40 -25 -10 5 20 35 50 65 80 95 110
125
Line Regulation (%/V)
Temperature ( C)
V
OUT
= 5.0V
300 mA
150 mA
100 mA
50 mA
10 mA
0 mA
100
-80
-60
-40
-20
0
PSRR (dB)
V
OUT
= 1.8V
V
IN
= 4.1V
V
INAC
= 1Vpk-pk
C
IN
= 0 µF
I
OUT
= 300 mA
-140
-120
-
100
0.01 0.1 1 10 100
Frequency (kHz)
I
OUT
= 10 mA