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MCP1827S-0802E/EB 数据表(PDF) 12 Page - Microchip Technology

部件名 MCP1827S-0802E/EB
功能描述  1.5A, Low Voltage, Low Quiescent Current LDO Regulator
PDF  32 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP1827S-0802E/EB 数据表(HTML) 12 Page - Microchip Technology

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MCP1827/MCP1827S
DS22001C-page 12
© 2007 Microchip Technology Inc.
Note: Unless otherwise indicated, VOUT = 1.8V (Adjustable), VIN = 2.8V, COUT = 4.7 µF Ceramic (X7R), CIN = 4.7 µF
Ceramic (X7R), IOUT = 1 mA, Temperature = +25°C, VIN = VOUT + 0.6V, RPWRGD = 10 kΩ To VIN.
FIGURE 2-19:
Dropout Voltage vs. Load
Current.
FIGURE 2-20:
Dropout Voltage vs.
Temperature.
FIGURE 2-21:
Short Circuit Current vs.
Input Voltage.
FIGURE 2-22:
Output Noise Voltage
Density vs. Frequency.
FIGURE 2-23:
Power Supply Ripple
Rejection (PSRR) vs. Frequency (VOUT = 1.2V
Adj.).
FIGURE 2-24:
Power Supply Ripple
Rejection (PSRR) vs. Frequency (VOUT = 1.2V
Adj.).
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0
250
500
750
1000
1250
1500
Load Current (mA)
VOUT = 5.0V
VOUT = 2.5V
Temperature = 25
°C
0.25
0.30
0.35
0.40
0.45
-45
-20
5
305580
105
130
Temperature (°C)
IOUT = 1.5A
VOUT = 2.5V
VOUT = 5.0V
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
VOUT = 2.5V
Temperature = 25°C
0.010
0.100
1.000
10.000
0.01
0.1
1
10
100
1000
Frequency (kHz)
VR=0.8V, VIN=2.3V
VR=3.3V, VIN=4.1V
COUT=1 μF ceramic X7R
CIN=10 μF ceramic
IOUT=200 mA
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01
0.1
1
10
100
1000
Frequency (kHz)
VR=1.2V Adj
COUT=10 μF ceramic X7R
VIN=3.1V
CIN=0 μF
IOUT=10 mA
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01
0.1
1
10
100
1000
Frequency (kHz)
VR=1.2V Adj
COUT=22 μF ceramic X7R
VIN=3.1V
CIN=0 μF
IOUT=10 mA



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