MCP1725-1502E/MC MICROCHIP [Microchip Technology], MCP1725-1502E/MC Datasheet - Page 11
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MCP1725-1502E/MC
Manufacturer Part Number
MCP1725-1502E/MC
Description
500 mA, Low Voltage, Low Quiescent Current LDO Regulator
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP1725-1502EMC.pdf
(32 pages)
Note: Unless otherwise indicated, V
C
FIGURE 2-19:
Current.
FIGURE 2-20:
Temperature.
FIGURE 2-21:
Input Voltage.
© 2006 Microchip Technology Inc.
IN
= C
0.25
0.20
0.15
0.10
0.05
0.00
0.28
0.26
0.24
0.22
0.20
0.18
0.16
0.14
0.12
0.10
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
OUT
-45
3.0
0
I
= 4.7 µF Ceramic (X7R), SHDN = V
LOAD
V
V
OUT
OUT
-20
= 500 mA
3.5
100
= 5.0V
= 2.5V
I
STEADY STATE
I
PEAK
5
Load Current (mA)
Dropout Voltage vs. Load
Dropout Voltage vs.
Short Circuit Current vs.
4.0
Temperature (°C)
Input Voltage (V)
200
30
4.5
55
300
5.0
IN
80
V
= V
OUT
V
OUT
400
C
V
= 2.5V Fixed
IN
OUT
OUT
5.5
105
= 5.0V
= 3000 µF
= 2.5V
+ 0.5V or V
IN
500
130
6.0
, C
DELAY
IN
= Open, Fixed Output Version, and T
= 2.3V (whichever is greater), I
FIGURE 2-22:
Density vs. Frequency.
FIGURE 2-23:
Rejection (PSRR) vs. Frequency (V
Adj.).
FIGURE 2-24:
Rejection (PSRR) vs. Frequency (V
Adj.).
0.001
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
0.01
0.1
0
0
10
0.01
0.01
1
0.01
V
V
IN
OUT
= 2.3V
= 0.8V
0.1
0.1
0.1
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
Output Noise Voltage
Power Supply Ripple
Power Supply Ripple
V
V
IN
OUT
V
C
V
C
I
1
OUT
1
1
R
OUT
IN
IN
= 3.3V
V
C
V
C
I
=1.2V Adj
OUT
=2.5V
=0 μF
= 2.5V
=10 mA
R
OUT
IN
IN
=1.2V Adj
=22 μF ceramic X7R
=2.5V
=0 μF
OUT
=10 mA
=4.7 μF ceramic X7R
MCP1725
10
10
10
= 1 mA,
A
= +25°C
I
DS22026A-page 11
LOAD
100
C
100
100
C
OUT
OUT
OUT
= 200 mA
IN
= 10 μF
= 1 μF
.
= 1.2V
= 1.2V
1000
1000
1000