SC8863-250CSKTR SEMTECH [Semtech Corporation], SC8863-250CSKTR Datasheet

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SC8863-250CSKTR

Manufacturer Part Number
SC8863-250CSKTR
Description
150mA Ultra Low Dropout, Low Noise Regulator
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SC8863-250CSKTRT
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
The SC8863 is a low dropout linear regulator that
operates from a +2.5V to +6.0V input range and
delivers up to 150mA. A PMOS pass transistor allows
the low 110µA supply current to remain independent of
load, making these devices ideal for battery operated
portable equipment such as cellular phones, cordless
phones and personal digital assistants.
The SC8863 output voltage can be preset or adjusted
with an external resistor divider. Other features include
low power shutdown, short circuit protection, thermal
shutdown protection and reverse battery protection. The
SC8863 comes in the tiny 5 lead SOT-23 package (lead
free, fully WEEE and RoHS compliant available) and the
ultra low profile 5 lead TSOT-23.
Note:
(1) Select R1 and R2 such that the current flowing through them is
is recommended for R2. Please see Component Selection - Externally Set Output on page 7.
Revision: November 8, 2005
POWER MANAGEMENT
Description
Typical Application Circuits
VIN > VOUT + VD(MAX)
VIN > VOUT + VD(MAX)
C1
1uF Ceramic
C1
1uF Ceramic
Externally Preset Output Voltage
Internally Preset Output Voltage
3
1
3
1
U1
U1
IN
EN
IN
EN
GND
GND
2
2
SC8863
SC8863
1
OUT
OUT
SET
SET
Features
Applications
4
5
4
5
Guaranteed 150mA output current
Works with ceramic capacitors
Fixed or adjustable output
Very small external components
Low 75µV
Very low supply current
Thermal overload protection
Reverse battery protection
Low power shutdown
Full industrial temperature range
Very low profile packaging available (1mm max.
height)
Surface mount packaging (SOT-23-5 and
Battery Powered Systems
Cellular Telephones
Cordless Telephones
Personal Digital Assistants
Portable Instrumentation
Modems
PCMCIA cards
TSOT-23-5)
150mA Ultra Low Dropout,
10µA (i.e. R2
RMS
(1)
R1
R2
10k
output noise
C2
1uF Ceramic
VOUT @ IOUT up to 150mA
Low Noise Regulator
C2
2.2uF Ceramic
V
VOUT @ IOUT up to 150mA
OUT
120k ). A value of 10k
=
. 1
250
SC8863
www.semtech.com
1
+
R
R
2
1

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SC8863-250CSKTR Summary of contents

Page 1

... Other features include low power shutdown, short circuit protection, thermal shutdown protection and reverse battery protection. The SC8863 comes in the tiny 5 lead SOT-23 package (lead free, fully WEEE and RoHS compliant available) and the ultra low profile 5 lead TSOT-23. ...

Page 2

... SC8863 ...

Page 3

... SC8863 µ ...

Page 4

... Only available in tape and reel packaging. A reel contains 3000 devices. (3) Lead free product. Fully WEEE and RoHS compliant. (4) Evaluation board for SC8863. Specify output voltage option and packaging when ordering ...

Page 5

... V = 2.5V to 5.5V IN SET = OUT 1mA OUT 8 -40°C 6 25°C 125° 125 150 -50 5 SC8863 vs. Output Current - 100 125 T (° 100 125 T (°C) J Line Regulation vs. Junction Temperature - ...

Page 6

... OUT 125 100 100 125 150 -50 2.0 VIN = 3.6V 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 75 100 125 -50 6 SC8863 Load Regulation ( SET OUT vs. Junction Temperature I = 0mA to 150mA OUT I = 0mA to 100mA OUT I = 0mA to 50mA OUT - (°C) J Supply Current vs. Junction Temperature = 150mA - ...

Page 7

... J Applications Information Theory Of Operation The SC8863 is intended for applications where very low dropout voltage, low supply current and low output noise are critical. It provides a very simple, low cost solution that uses very little pcb real estate. Fixed output voltage options require the use of only two external capacitors for operation ...

Page 8

... With the standard SOT-23-5/TSOT-23-5 Land Pattern shown at the end of this datasheet, and minimum trace 120k ). At high input widths, the thermal impedance junction to ambient for SC8863 is 256°C/W. Thus with no additional heatsinking 135°C. J(MAX) The junction temperature can be reduced further by the ...

Page 9

... Copper area on pin 2 is recommended, but not required. Connect to the ground plane with a via or vias. Marking Information Top Mark SOT-23-5 8XXX 8 = 8863 in SOT-23-5 XXX = voltage option (examples: 8280 = SC8863-280CSK) Top Mark TSOT-23-5 T8XX T8 = 8863 in TSOT-23 voltage option (examples: T828 = SC8863-280TSK) 2005 Semtech Corp. ...

Page 10

... POWER MANAGEMENT Outline Drawing - SOT-23-5 Outline Drawing - TSOT-23-5 2005 Semtech Corp. 10 SC8863 www.semtech.com ...

Page 11

... POWER MANAGEMENT Land Pattern - SOT-23-5 & TSOT-23-5 Contact Information Phone: (805)498-2111 FAX (805)498-3804 2005 Semtech Corp. Semtech Corporation Power Management Products Division 200 Flynn Road, Camarillo, CA 93012 11 SC8863 www.semtech.com ...

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