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MCP1801T-6002I/OT

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
2010 Microchip Technology Inc. DS22051D-page 1
MCP1801
Features:
• 150 mA Maximum Output Current
• Low Dropout Voltage, 200 mV typical @ 100 mA
• 25 µA Typical Quiescent Current
• 0.01 µA Typical Shutdown Current
• Input Operating Voltage Range: 2.0V to 10.0V
• Standard Output Voltage Options:
- 0.9V, 1.2V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V, 6.0V
• Output Voltage Accuracy:
-±2% (V
R
> 1.5V), ±30 mV (V
R
1.5V)
• Stable with Ceramic Output Capacitors
• Current Limit Protection
• Shutdown Pin
• High PSRR: 70 dB typical @ 10 kHz
Applications:
• Battery-powered Devices
• Battery-powered Alarm Circuits
• Smoke Detectors
•CO
2
Detectors
• Pagers and Cellular Phones
• Wireless Communications Equipment
• Smart Battery Packs
• Low Quiescent Current Voltage Reference
•PDAs
•Digital Cameras
• Microcontroller Power
• Solar-Powered Instruments
• Consumer Products
• Battery Powered Data Loggers
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
Description:
The MCP1801 is a family of CMOS low dropout (LDO)
voltage regulators that can deliver up to 150 mA of
current while consuming only 25 µA of quiescent
current (typical). The input operating range is specified
from 2.0V to 10.0V, making it an ideal choice for two to
six primary cell battery-powered applications, 9V
alkaline and one or two cell Li-Ion-powered
applications.
The MCP1801 is capable of delivering 100 mA with
only 200 mV (typical) of input to output voltage
differential (V
OUT
= 3.3V). The output voltage tolerance
of the MCP1801 at +25°C is typically ±0.4% with a
maximum of ±2%. Line regulation is ±0.01% typical at
+25°C.
The LDO output is stable with a minimum of 1 µF of
output capacitance. Ceramic, tantalum, or aluminum
electrolytic capacitors can all be used for input and
output. Overcurrent limit with current foldback provides
short-circuit protection. A shutdown (SHDN
) function
allows the output to be enabled or disabled. When
disabled, the MCP1801 draws only 0.01 µA of current
(typical).
The MCP1801 is available in a SOT-23-5 package.
Package Types
SOT-23-5
123
54
V
OUT
NC
V
IN
SHDNV
SS
150 mA, High PSRR, Low Quiescent Current LDO
MCP1801
DS22051D-page 2 2010 Microchip Technology Inc.
Functional Block Diagram
Typical Application Circuit
+
-
MCP1801
V
IN
V
OUT
GND
+V
IN
Error Amplifier
Voltage
Reference
Current Limiter
Shutdown
Control
SHDN
+V
IN
MCP1801
V
IN
C
IN
1µF
C
OUT
1µF Ceramic
V
IN
9V
Battery
+
V
OUT
NC
G
ND
SHDN
Ceramic
V
OUT
3.3V @ 40 mA
1
2
3
5
4
2010 Microchip Technology Inc. DS22051D-page 3
MCP1801
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
Input Voltage ................................................................. +12V
Output Current (Continuous) ..................... P
D
/(V
IN
-V
OUT
)mA
Output Current (Peak) ............................................... 500 mA
Output Voltage ............................... (V
SS
-0.3V) to (V
IN
+0.3V)
SHDN
Voltage..................................(V
SS
-0.3V) to (V
IN
+0.3V)
Continuous Power Dissipation:
SOT-23-5 .............................................................. 250 mW
† 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.
ELECTRICAL CHARACTERISTICS
Electrical Specifications: Unless otherwise specified, all limits are established for V
IN
= V
R
+ 1.0V, Note 1, C
OUT
= 1 µF (X7R),
C
IN
= 1 µF (X7R), V
SHDN
= V
IN
, T
A
= +25°C.
Parameters Sym Min Typ Max Units Conditions
Input / Output Characteristics
Input Operating Voltage V
IN
2.0 — 10.0 V Note 1
Input Quiescent Current I
q
—2550 µAI
L
= 0 mA
Shutdown Current I
SHDN
— 0.01 0.10 µA SHDN = 0V
Maximum Output Current I
OUT_mA
150 — — mA
Current Limiter I
LIMIT
—300— mAif V
R
1.75V, then V
IN
= V
R
+ 2.0V
Output Short Circuit Current I
OUT_SC
—50— mAif V
R
1.75V, then V
IN
= V
R
+ 2.0V
Output Voltage Regulation V
OUT
V
R
-2.0% V
R
V
R
+2.0% V V
R
1.45V, I
OUT
= 30 mA, Note 2
V
R
-30 mV V
R
V
R
+30 mV V
R
1.45V, I
OUT
= 30 mA
V
OUT
Temperature Coeffi-
cient
TCV
OUT
— 100 — ppm/°C I
OUT
= 30 mA, -40°C T
A
+85°C,
Note 3
Line Regulation V
OUT
/
(V
OUT
XV
IN
)
-0.2 ±0.01 +0.2 %/V (V
R
+ 1V) V
IN
10V, Note 1
V
R
1.75V, I
OUT
= 30 mA
V
R
1.75V, I
OUT
= 10 mA
Load Regulation
V
OUT
/V
OUT
—1550 mVI
L
= 1.0 mA to 100 mA, Note 4
Dropout Voltage, Note 5 V
DROPOUT
—6090 mVI
L
= 30 mA, 3.1V V
R
6.0V
—200250 I
L
= 100 mA, 3.1V V
R
6.0V
—80120 I
L
= 30 mA, 2.0V V
R
3.1V
—240350 I
L
= 100 mA, 2.0V V
R
< 3.1V
— 2.07 - V
R
2.10 - V
R
VI
L
= 30 mA, V
R
2.0V
— 2.23 - V
R
2.33 - V
R
I
L
= 100 mA, V
R
< 2.0V
Power Supply Ripple
Rejection Ratio
PSRR — 70 — dB f = 10 kHz, I
L
= 50 mA,
V
INAC
= 1V pk-pk, C
IN
= 0 µF,
if V
R
1.5V, then V
IN
= 2.5V
Output Noise e
N
—0.6—µV/Hz I
OUT
=100 mA, f=1 kHz,
C
OUT
=1 µF (X7R Ceramic),
V
OUT
=3.3V
Note 1: The minimum V
IN
must meet two conditions: V
IN
2.0V and V
IN
(V
R
+ 1.0V).
2: V
R
is the nominal regulator output voltage. For example: V
R
= 1.8V, 2.5V, 3.0V, 3.3V, or 5.0V.
The input voltage V
IN
= V
R
+ 1.0V or Vi
IN
= 2.0V (whichever is greater); I
OUT
= 100 µA.
3: TCV
OUT
= (V
OUT-HIGH
- V
OUT-LOW
) *10
6
/ (V
R
* Temperature), V
OUT-HIGH
= highest voltage measured over the
temperature range. V
OUT-LOW
= lowest voltage measured over the temperature range.
4: 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 TCV
OUT
.
5: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its measured
value with an applied input voltage of V
R
+ 1.0V or 2.0V, whichever is greater.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28

MCP1801T-6002I/OT

Mfr. #:
Buy MCP1801T-6002I/OT
Manufacturer:
Microchip Technology
Description:
LDO Voltage Regulators Hi PSRR 150 mA LDO Vin 10V maxVout 6.0V
Lifecycle:
New from this manufacturer.
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