Datasheet MCP1700 (Microchip) - 7

MCP1700
Note: Unless otherwise indicated: VR = 1.8V, COUT = 1 µF Ceramic (X7R), CIN = 1 µF Ceramic (X7R), IL = 100 µA,
TA = +25°C, VIN = VR + 1V.
0.16 0.12 TJ = +125°C 0.10 Noise (µV/√Hz)
N Dropo
out Voltage (V) 10.00 VR = 5.0V 0.14 TJ = +25°C 0.08
0.06
TJ = -40°C 0.04 1.00 VIN = 3.8V
VR = 2.8V
IOUT = 50 mA
VIN = 2.5V
VIN = 2.8V
VR = 1.2V
VR = 1.8V
IOUT = 50 mA IOUT = 50 mA 0 10
0.10 0.02
0.00
0 25 50 75 100 125 150 175 200 225 250
Load Current (mA) FIGURE 2-13:
Dropout Voltage vs. Load
Current (VR = 5.0V). 0.01
0.01 FIGURE 2-16: 1
10
Frequency (kHz) 100 1000 Noise vs. Frequency. VIN = 2.2V +20
+10 CIN = 1µF Ceramic
COUT = 1µF Ceramic 0
PSRR (dB/decade) 0.1 -10
-20 VR = 1.2V -30
-40
-50 I = 100 mA
Load
Step -60
-70
0.01 0.10 1.00
10.0
Frequency (KHz) 100 1000 FIGURE 2-14:
Power Supply Ripple
Rejection vs. Frequency (VR = 1.2V). FIGURE 2-17:
(VR = 1.2V). +20 Dynamic Load Step VIN = 2.8V +10 CIN = 1µF Ceramic
COUT = 1µF Ceramic PSRR (dB/Decade) 0
-10 VR = 1.8V -20
-30
-40 I = 100 mA
Load
Step -50
-60 0.01 0.01 10.00
1
Frequency (KHz) 100 FIGURE 2-15:
Power Supply Ripple
Rejection vs. Frequency (VR = 2.8V).  2005-2016 Microchip Technology Inc. 1000 FIGURE 2-18:
(VR = 1.8V). Dynamic Load Step DS20001826D-page 7