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  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP1700 Datasheet

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



  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP1700 Datasheet

Low Quiescent Current LDO

No Preview Available !

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.



  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP1700 Datasheet

Low Quiescent Current LDO

No Preview Available !

MCP1700 pdf
MCP1700
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
VDD ............................................................................................ +6.5V
All inputs and outputs w.r.t. ......... (VSS - 0.3V) to (VIN + 0.3V)
Peak Output Current .................................... Internally Limited
Storage temperature .....................................-65°C to +150°C
Maximum Junction Temperature ................................... 150°C
Operating Junction Temperature...................-40°C to +125°C
ESD protection on all pins (HBM;MM)  4 kV; 400V
† Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
DC CHARACTERISTICS
Electrical Characteristics: Unless otherwise specified, all limits are established for VIN = VR + 1V, ILOAD = 100 µA,
COUT = 1 µF (X7R), CIN = 1 µF (X7R), TA = +25°C.
Boldface type applies for junction temperatures, TJ (Note 6) of -40°C to +125°C.
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
Input / Output Characteristics
Input Operating
Voltage
VIN
2.3 6.0 V Note 1
Input Quiescent
Current
Iq
— 1.6 4 µA IL = 0 mA, VIN = VR + 1V
Maximum Output
Current
IOUT_mA
250
200
— mA For VR 2.5V
— For VR 2.5V
Output Short
IOUT_SC
408
mA VIN = VR + 1V, VOUT = GND
Circuit Current
Current (peak current) measured 10 ms
after short is applied.
Output Voltage
Regulation
VOUT Temperature
Coefficient
VOUT
TCVOUT
VR - 3.0%
VR - 2.0%
VR ± 0.4% VR + 3.0%
VR + 2.0%
50 —
V
ppm/°C
Note 2
Note 3
Line Regulation
Load Regulation
VOUT/
(VOUTXVIN)
VOUT/VOUT
-1.0
-1.5
±0.75
±1.0
+1.0
+1.5
%/V (VR + 1)V VIN 6V
% IL = 0.1 mA to 250 mA for VR 2.5V
IL = 0.1 mA to 200 mA for VR 2.5V
Note 4
Dropout Voltage
VR 2.5V
VIN - VOUT
178 350 mV IL = 250 mA, (Note 1, Note 5)
Dropout Voltage
VR 2.5V
VIN - VOUT
150 350 mV IL = 200 mA, (Note 1, Note 5)
Output Rise Time
TR
— 500 — µs 10% VR to 90% VR VIN = 0V to 6V,
RL = 50resistive
Note 1:
2:
3:
4:
The minimum VIN must meet two conditions: VIN 2.3V and VIN  VR + 3.0%  VDROPOUT.
VR is the nominal regulator output voltage. For example: VR = 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.0V, 5.0V. The
input voltage VIN = VR + 1.0V; IOUT = 100 µA.
TCVOUT = (VOUT-HIGH - VOUT-LOW) *106 / (VR * Temperature), VOUT-HIGH = highest voltage measured over the
temperature range. VOUT-LOW = lowest voltage measured over the temperature range.
Load regulation is measured at a constant junction temperature using low duty cycle pulse testing. Changes in output
voltage due to heating effects are determined using thermal regulation specification TCVOUT.
5: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its measured
value with a VR + 1V differential applied.
6: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction
temperature and the thermal resistance from junction to air (i.e., TA, TJ, JA). Exceeding the maximum allowable power
dissipation will cause the device operating junction temperature to exceed the maximum 150°C rating. Sustained
junction temperatures above 150°C can impact the device reliability.
7: The junction temperature is approximated by soaking the device under test at an ambient temperature equal to the
desired Junction temperature. The test time is small enough such that the rise in the Junction temperature over the
ambient temperature is not significant.
2005-2013 Microchip Technology Inc.
DS20001826C-page 3




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