MCP1791 MICROCHIP [Microchip Technology], MCP1791 Datasheet - Page 10

• Manufacturer Part Number: MCP1791
• Description: 70 mA, High Voltage Regulator
• Manufacturer: MICROCHIP [Microchip Technology]

MCP1790/MCP1791
Note:
V
FIGURE 2-13:
Input Voltage.
FIGURE 2-14:
Density vs. Frequency.
FIGURE 2-15:
Rejection vs. Frequency.
DS22075A-page 10
IN
= 6.0V, R
-100
-110
130
125
120
115
110
105
100
-20
-30
-40
-50
-60
-70
-80
-90
10.00
Unless otherwise indicated, C
1.00
0.10
0.01
0.00
0.01
6
0.01
V
PWRGD_PULLUP
OUT
V
R
= 5.0V
=3.3V
V
V
V
C
I
OUT
V
R
IN
INAC
10
IN
OUT
=3.3V
0.1
=7.0V
=0 μF
=10 mA
0.1
= 400 mV p-p
= 3.0V
V
Frequency (kHz)
14
Short Circuit Current vs
Output Noise Voltage
Power Supply Ripple
R
Frequency (kHz)
Input Voltage (V)
=5.0V
V
1
OUT
1
= 10 kΩ To V
= 3.3V
18
10
10
OUT
22
R
= 4.7 uF Ceramic (X7R), C
OUT
OUT
I
OUT
100
100
< 0.1 Ω
, V
=50mA
SHDN
26
1000
1000
= V
30
IN,
and device is MCP1790.
IN
= 10.0 µF Ceramic (X7R), I
FIGURE 2-16:
Rejection vs. Frequency.
FIGURE 2-17:
(MCP1791).
FIGURE 2-18:
(MCP1791).
-100
-110
-120
-20
-30
-40
-50
-60
-70
-80
-90
0.01
V
V
V
C
I
OUT
R
IN
INAC
IN
=5.0V
=7.0V
=0 μF
=10 mA
= 400 mV p-p
0.1
Frequency (kHz)
Power Supply Ripple
Startup from V
Startup from Shutdown
OUT
© 2008 Microchip Technology Inc.
1
= 1 mA, Temperature = +25°C,
10
IN
100
1000