CM3102-12SO CALMIRCO [California Micro Devices Corp], CM3102-12SO Datasheet

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CM3102-12SO

Manufacturer Part Number
CM3102-12SO
Description
Micropower 1.2V/150mA CMOS LDO Regulator with Power Good
Manufacturer
CALMIRCO [California Micro Devices Corp]
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CM3102-12SO
Manufacturer:
CALMICRO
Quantity:
20 000
01/20/04
Features
Applications
© 2004 California Micro Devices Corp. All rights reserved.
Pentium
Application Circuit
Typical Application Circuit
1-5ms Power Good (PG) control signal
Regulated 1.2V output
150mA output current
Low quiescent operating current (90µA typical)
"Zero" disable mode current
Foldback current limiting protection
Thermal shutdown protection
Stable with low-ESR capacitors
SOT23-5 package
"MIC5258" pinout
Lead-free version available
Pentium
Processor Power-up Sequencing
Desktop, Notebook and Palmtop Computers
PC Cards
Peripheral Adapter Cards
VCC3
GND
EN
V
430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214
IN
10Ω
4 Motherboard
* Input capacitor optional.
4 Motherboards
* Input capacitor optional.
.1
1
µ
µ
F*
F*
Micropower 1.2V/150mA CMOS LDO Regulator
EN
EN
CM3102-12Sx
IN
CM3102-12Sx
IN
47kΩ
GND
GND
OUT
OUT
PG
PG
.1
1
1.2V
µ
µ
F
F
VCCVID
PG
V
PG
OUT
with Power Good
GND
EN
IN
Simplified Electrical Schematic
Product Description
The CM3102 is a low quiescent current (90uA) regula-
tor that delivers up to 150mA of load current at a fixed
1.2V output. In addition, the CM3102 features a Power
Good output signal (PG) that goes open drain 1 to 5
ms after the output voltage has exceeded typically 93%
of its nominal level.
A dedicated control input (EN, Active High) has been
included for power-up sequencing flexibility. When this
input is taken low, the regulator is disabled. In this
state, the supply current will drop to near zero. An inter-
nal discharge MOSFET resistance (500Ω) will force the
output to ground whenever the device has been shut-
down.
The CM3102 is fully protected, offering both overload
current limiting and high temperature thermal shut-
down.
Available in a tiny SOT23 package, the device is ideal
for space critical applications.
The CM3102 is available with optional lead-free finish-
ing.
1.2V
V
REF
L Fax: 408.263.7846
V
REF
X 0.93
+
-
+
-
1X
2.5ms
L
www.calmicro.com
1.2V/150mA
CM3102
PG
OUT
1

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CM3102-12SO Summary of contents

Page 1

... N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 01/20/04 with Power Good Product Description The CM3102 is a low quiescent current (90uA) regula- tor that delivers up to 150mA of load current at a fixed 1.2V output. In addition, the CM3102 features a Power Good output signal (PG) that goes open drain after the output voltage has exceeded typically 93% of its nominal level ...

Page 2

... OUT PART NUMBERING INFORMATION Standard Finish Ordering Part 1 Package Number Part Marking SOT23-5 CM3102-12ST L Fax: 408.263.7846 CM3102 ≥ 1.6V), the regulator is enabled. When applied to the output to quickly reduce the out- Lead-free Finish Ordering Part 1 Number Part Marking BA12 CM3102-12SO L www.calmicro.com BB12 01/20/04 ...

Page 3

... V IN Ambient Operating Temperature Range Load Current C OUT © 2004 California Micro Devices Corp. All rights reserved. 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 01/20/04 ABSOLUTE MAXIMUM RATINGS STANDARD OPERATING CONDITIONS L Tel: 408.263.3214 CM3102 RATING +2000 [GND - 0.6] to +6.0 [GND - 0. +0.6] IN [GND - 0. +0.6] IN -40 to +150 0 to +70 ...

Page 4

... Regulator Enabled (EN 150mA IN LOAD Regulator Disabled (EN=GND); (Disable Mode) Regulator Disabled % of V (PG ON) OUT % of V (PG OFF) OUT I =100µA; Fault Condition L Power Good Off; V =5. Fax: 408.263.7846 CM3102 (SEE NOTE 1) MIN TYP MAX UNITS 1.1 1.2 1 160 350 mA 140 mA Ω 500 µ ...

Page 5

... Performance Information CM3102 Typical DC Characteristics (nominal conditions unless specified otherwise) © 2004 California Micro Devices Corp. All rights reserved. 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 01/20/04 L Tel: 408.263.3214 L Fax: 408.263.7846 CM3102 V PG Ω www.calmicro.com ...

Page 6

... Performance Information (cont’d) CM3102 Typical DC Characteristics (cont’d, nominal conditions unless specified otherwise) © 2004 California Micro Devices Corp. All rights reserved. 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 6 DELAY L Fax: 408.263.7846 L www.calmicro.com CM3102 01/20/04 ...

Page 7

... Performance Information (cont’d) CM3102 Transient Characteristics (nominal conditions unless specified otherwise) (PG connected to V with a 47kΩ resistor) IN © 2004 California Micro Devices Corp. All rights reserved. 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 01/20/04 L Tel: 408.263.3214 L Fax: 408.263.7846 CM3102 www.calmicro.com ...

Page 8

... In the event of no copper area being dedicated for heat spreading, a multi-layer board construction, using only the minimum size pad layout, will provide the CM3102-12ST/SO with θ an overall of 175°C/W which allows up to 450mW ...

Page 9

... Mechanical Details SOT23-5 Mechanical Specifications Dimensions for CM3102-12ST/SO device packaged in 5-pin SOT23 package are presented below. For complete information on the SOT23-5 package, see the California Micro Devices SOT23 Package Infor- mation document. PACKAGE DIMENSIONS Package SOT23-5 (JEDEC name is MO-178) Pins Millimeters ...

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