MCP1727-1802E/SN Microchip Technology, MCP1727-1802E/SN Datasheet - Page 12

• 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

MCP1727
NOTE: Unless otherwise indicated V
Ceramic (X7R), I
FIGURE 2-25:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-26:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-27:
V
DS21999B-page 12
IN
.
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0
0.01
0.01
0.1
0.1
OUT
= 1 mA, Temperature = +25°C, V
Frequency (kHz)
Frequency (kHz)
Power Supply Ripple
Power Supply Ripple
2.5V (Fixed) Startup from
1
1
V
C
V
C
I
V
C
V
C
I
OUT
OUT
R
IN
R
IN
OUT
IN
OUT
IN
=2.5V Fixed
=2.5V Fixed
=3.3V
=0 μF
=3.3V
=0 μF
=10 mA
=10 mA
=10 μF ceramic X7R
=22 μF ceramic X7R
10
10
OUT
100
100
OUT
OUT
= 1.8V (Adjustable), V
= 2.5V
= 2.5V
1000
1000
IN
= V
OUT
IN
FIGURE 2-28:
Shutdown.
FIGURE 2-29:
Timing with C
FIGURE 2-30:
Timing with C
+ 0.6V, RPWRGD = 10 kΩ To V
= 2.8V, C
OUT
BYPASS
BYPASS
= 4.7 µF Ceramic (X7R), C
2.5V (Fixed) Startup from
Power Good (PWRGD)
Power Good (PWRGD)
of 1000 pF.
of 0.1 µF.
© 2007 Microchip Technology Inc.
IN
.
IN
= 4.7 µF