MCP1727-1802E/SN Microchip Technology, MCP1727-1802E/SN Datasheet - Page 11

• Manufacturer Part Number: MCP1727-1802E/SN
• Description: IC REG LDO 1.5A 1.8V 8SOIC
• Manufacturer: Microchip Technology

Specifications of MCP1727-1802E/SN

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: 2.3 ~ 6 V
• Voltage - Dropout (typical): 0.33V @ 1.5A
• Number Of Regulators: 1
• Current - Output: 1.5A (Min)
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Primary Input Voltage: 2.3V
• Output Voltage Fixed: 1.8V
• Dropout Voltage Vdo: 330mV
• No. Of Pins: 8
• Output Current: 1.5A
• Operating Temperature Range: -40°C To +125°C
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 6 V
• Output Voltage: 1.8 V
• Output Type: Fixed
• Dropout Voltage (max): 0.55 V at 1.5 A
• Line Regulation: 0.05 % / V
• Load Regulation: 0.5 %
• Voltage Regulation Accuracy: 2 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

NOTE: Unless otherwise indicated V
Ceramic (X7R), I
FIGURE 2-19:
Current.
FIGURE 2-20:
Temperature.
FIGURE 2-21:
Input Voltage.
© 2007 Microchip Technology Inc.
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.45
0.40
0.35
0.30
0.25
3.00
2.50
2.00
1.50
1.00
0.50
0.00
-45
3.0
0
Temperature = 25 ° C
V
OUT
250
-20
V
3.5
= 5.0V
OUT
OUT
= 2.5V
Load Current (mA)
500
= 1 mA, Temperature = +25°C, V
5
4.0
Input Voltage (V)
Dropout Voltage vs. Load
Dropout Voltage vs.
Short Circuit Current vs.
Temperature (°C)
750
30
4.5
1000
Temperature = 25°C
55
V
5.0
OUT
= 2.5V
OUT
V
1250
80
V
OUT
OUT
5.5
= 5.0V
= 2.5V
= 1.8V (Adjustable), V
I
OUT
105
1500
= 1.5A
6.0
130
IN
= V
OUT
FIGURE 2-22:
Density vs. Frequency.
FIGURE 2-23:
Rejection (PSRR) vs. Frequency (V
Adj.).
FIGURE 2-24:
Rejection (PSRR) vs. Frequency (V
Adj.).
IN
+ 0.6V, RPWRGD = 10 kΩ To V
= 2.8V, C
0.001
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
0.01
0.1
0
10
0
0.01
0.01
1
0.01
OUT
V
V
R
R
=0.8V, V
=2.5V, V
0.1
0.1
= 4.7 µF Ceramic (X7R), C
0.1
IN
IN
=2.3V
=3.3V
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
Output Noise Voltage
Power Supply Ripple
Power Supply Ripple
1
1
1
V
C
V
C
I
OUT
V
C
V
C
I
OUT
R
OUT
IN
IN
R
OUT
IN
IN
=1.2V Adj
=3.1V
=1.2V Adj
=0 μF
=3.1V
=0 μF
=10 mA
=10 mA
=10 μF ceramic X7R
=22 μF ceramic X7R
MCP1727
C
10
10
10
OUT
IN
=1 μF ceramic X7R
.
C
IN
DS21999B-page 11
=10 μF ceramic
I
OUT
100
100
100
=200 mA
OUT
OUT
IN
= 1.2V
= 1.2V
1000
= 4.7 µF
1000
1000