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  Microchip Technology Semiconductor Electronic Components Datasheet  


MCP1700

Low Quiescent Current LDO


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MCP1700 pdf
MCP1700
Low Quiescent Current LDO
Features:
• 1.6 µA Typical Quiescent Current
• Input Operating Voltage Range: 2.3V to 6.0V
• Output Voltage Range: 1.2V to 5.0V
• 250 mA Output Current for Output
Voltages 2.5V
• 200 mA Output Current for Output
Voltages < 2.5V
• Low Dropout (LDO) Voltage
- 178 mV typical @ 250 mA for VOUT = 2.8V
• 0.4% Typical Output Voltage Tolerance
• Standard Output Voltage Options:
- 1.2V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 5.0V
• Stable with 1.0 µF Ceramic Output Capacitor
• Short Circuit Protection
• Overtemperature Protection
Applications:
• Battery-Powered Devices
• Battery-Powered Alarm Circuits
• Smoke Detectors
• CO2 Detectors
• Pagers and Cellular Phones
• Smart Battery Packs
• Low Quiescent Current Voltage Reference
• PDAs
• Digital Cameras
• Microcontroller Power
Related Literature:
• AN765, “Using Microchip’s Micropower LDOs”
(DS00765), Microchip Technology Inc., 2002
• AN766, “Pin-Compatible CMOS Upgrades to
BiPolar LDOs” (DS00766),
Microchip Technology Inc., 2002
• AN792, “A Method to Determine How Much
Power a SOT23 Can Dissipate in an Application”
(DS00792), Microchip Technology Inc., 2001
General Description:
The MCP1700 is a family of CMOS low dropout (LDO)
voltage regulators that can deliver up to 250 mA of
current while consuming only 1.6 µA of quiescent
current (typical). The input operating range is specified
from 2.3V to 6.0V, making it an ideal choice for two and
three primary cell battery-powered applications, as well
as single cell Li-Ion-powered applications.
The MCP1700 is capable of delivering 250 mA with
only 178 mV of input to output voltage differential
(VOUT = 2.8V). The output voltage tolerance of the
MCP1700 is typically ±0.4% at +25°C and ±3%
maximum over the operating junction temperature
range of -40°C to +125°C.
Output voltages available for the MCP1700 range from
1.2V to 5.0V. The LDO output is stable when using only
1 µF output capacitance. Ceramic, tantalum or
aluminum electrolytic capacitors can all be used for
input and output. Overcurrent limit and overtemperature
shutdown provide a robust solution for any application.
Package options include SOT-23, SOT-89, TO-92 and
2x2 DFN-6.
Package Types
3-Pin SOT-23
VIN
3
MCP1700
12
GND VOUT
3-Pin TO-92
MCP1700
123
3-Pin SOT-89
VIN
MCP1700
123
GND VIN VOUT
2x2 DFN-6*
VIN 1
6 VOUT
NC 2
GND 3
EP 5 NC
7
4 NC
GND VIN VOUT
* Includes Exposed Thermal Pad (EP); see Table 3-1.
2005-2013 Microchip Technology Inc.
DS20001826C-page 1



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MCP1700 pdf
MCP1700
Functional Block Diagrams
VIN
MCP1700
Error Amplifier
Voltage
Reference
+VIN
-
+
Overcurrent
Overtemperature
VOUT
GND
Typical Application Circuits
MCP1700
VOUT
1.8V
IOUT
150 mA
GND
VOUT
COUT
1 µF Ceramic
VIN
(2.3V to 3.2V)
VIN
CIN
1 µF Ceramic
DS20001826C-page 2
2005-2013 Microchip Technology Inc.



Part Number MCP1700
Description Low Quiescent Current LDO
Maker Microchip Technology - Microchip Technology
Total Page 28 Pages
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