Datasheet

 2005-2018 Microchip Technology Inc. DS20001826E-page 8
MCP1700
Note: Unless otherwise indicated: V
R
= 1.8V, C
OUT
= 1 µF Ceramic (X7R), C
IN
= 1 µF Ceramic (X7R), I
L
= 100 µA,
T
A
= +25°C, V
IN
=V
R
+1V.
FIGURE 2-13: Dropout Voltage vs. Load
Current (V
R
=5.0V).
FIGURE 2-14: Power Supply Ripple
Rejection vs. Frequency (V
R
=1.2V).
FIGURE 2-15: Power Supply Ripple
Rejection vs. Frequency (V
R
=2.8V).
FIGURE 2-16: Noise vs. Frequency.
FIGURE 2-17: Dynamic Load Step
(V
R
=1.2V).
FIGURE 2-18: Dynamic Load Step
(V
R
=1.8V).
0.06
0.08
0.10
0.12
0.14
0.16
o
ut Voltage (V)
T
J
= +25°C
T
J
= +125°C
V
R
= 5.0V
0.00
0.02
0.04
0 25 50 75 100 125 150 175 200 225 250
Drop
o
Load Current (mA)
T
J
= - 40°C
0.01 0.10 10.0 100 1000
1.00
Frequency (KHz)
PSRR (dB/decade)
0
-10
-20
-30
-40
-50
+10
+20
-60
-70
0.01 0.01 10.00 100 1000
Frequency (KHz)
PSRR (dB/Decade)
+20
+10
0
-10
-20
-30
-40
-50
-60
1
010
1.00
10.00
N
oise (µV/√Hz)
V
IN
= 2.5V
V
R
= 1.2V
I
OUT
= 50 mA
V
IN
= 2.8V
V
R
= 1.8V
I
OUT
= 50 mA
V
IN
= 3.8V
V
R
= 2.8V
I
OUT
= 50 mA
0.01
0
.
10
0.01 0.1 1 10 100 1000
N
Frequency (kHz)
V
IN
=2.2V
V
R
=1.2V
I=100mA
Load
Step
C
IN
= 1µF Ceramic
C
OUT
= 1µF Ceramic
V
IN
=2.8V
V
R
=1.8V
I=100mA
Load
Step
C
IN
= 1µF Ceramic
C
OUT
= 1µF Ceramic