MIC29302WU Micrel Inc, MIC29302WU Datasheet

IC REG LDO 3.0A ADJ TO-263-5

MIC29302WU

Manufacturer Part Number
MIC29302WU
Description
IC REG LDO 3.0A ADJ TO-263-5
Manufacturer
Micrel Inc
Datasheets
1.MIC29152WU_TR.pdf (23 pages)
2.MIC29302WU.pdf (19 pages)

Specifications of MIC29302WU

Regulator Topology
Positive Adjustable
Voltage - Output
1.25 ~ 26 V
Voltage - Input
Up to 26V
Voltage - Dropout (typical)
0.37V @ 3A
Number Of Regulators
1
Current - Output
3A
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-263-5, D²Pak (5 leads + Tab), TO-263BA
Primary Input Voltage
26V
Output Voltage
12V
Dropout Voltage Vdo
370mV
No. Of Pins
5
Output Current
3A
Voltage Regulator Case Style
TO-263
Operating Temperature Range
-40°C To +125°C
Svhc
No
Output Voltage Fixed
12V
Rohs Compliant
Yes
Voltage Regulator Type
Linear
Topology
LDO
Regulator Output Type
Adjustable
Polarity Type
Positive
Number Of Outputs
Single
Input Voltage (min)
2.5V
Input Voltage (max)
26V
Package Type
TO-263
Load Regulation
1%
Line Regulation
0.5%
Output Voltage Accuracy
±1%
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Dropout Voltage@current (max)
0.175@100mA/0.6@3A
Dropout Voltage@current (typ)
0.08@100mA/0.25@1.5A
Pin Count
5 +Tab
Mounting
Surface Mount
Quiescent Current (max)
35mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Compliant
Other names
576-3369-5
MIC29302WU

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General Description
The MIC29150/29300/29500/29750 are high current, high
accuracy, low-dropout voltage regulators. Using Micrel's
proprietary Super βeta PNP™ process with a PNP pass ele-
ment, these regulators feature 300mV to 370mV (full load)
dropout voltages and very low ground current. Designed for
high current loads, these devices also find applications in
lower current, extremely low dropout-critical systems, where
their tiny dropout voltage and ground current values are
important attributes.
The MIC29150/29300/29500/29750 are fully protected
against overcurrent faults, reversed input polarity, reversed
lead insertion, overtemperature operation, and positive and
negative transient voltage spikes. Five pin fixed voltage ver-
sions feature logic level ON/OFF control and an error flag
which signals whenever the output falls out of regulation.
Flagged states include low input voltage (dropout), output
current limit, overtemperature shutdown, and extremely high
voltage spikes on the input.
On the MIC29xx1 and MIC29xx2, the ENABLE pin may
be tied to V
MIC29150/29300/29500 are available in 3- and 5-pin TO-220
and surface mount TO-263 packages. The MIC29750 7.5A
regulators are available in 3- and 5-pin TO-247 packages.
For applications with input voltage 6V or below, see MIC3715x LDOs.
Typical Application
Super
November 2005
MIC29751/29752BWT/WWT
MIC29750BWT/WWT
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
β
TO-247-3 Lead
TO-247-5 Lead
eta PNP is a trademark of Micrel, Inc.
IN
if it is not required for ON/OFF control. The
MIC29151/29152/29153BT/WT
MIC29301/29302/29303BT/WT
MIC29501/29502/29503BT/WT
MIC29150/29300/29500BT/WT
TO-220-5 Lead
TO-220-3 Lead
1
MIC29150/29300BU/WU
Features
• High current capability
• Low-dropout voltage ......................... 350mV at Full Load
• Low ground current
• Accurate 1% guaranteed tolerance
• Extremely fast transient response
• Reverse-battery and “Load Dump” protection
• Zero-current shutdown mode (5-pin versions)
• Error flag signals output out-of-regulation
• Also characterized for smaller loads with industry-
• Fixed voltage and adjustable versions
Applications
• Battery powered equipment
• High-efficiency “Green” computer systems
• Automotive electronics
• High-efficiency linear lower supplies
• High-efficiency lost-regulator for switching supply
TO-263-3 Lead
Pinout
MIC29150/29300/29500/29750 Three Terminal Devices:
Pin 1 = Input, 2 = Ground, 3 = Output
MIC29151/29301/29501/29751 Five Terminal Fixed Voltage
Devices:
Pin 1 = Enable, 2 = Input, 3 = Ground, 4 = Output, 5 = Flag
MIC29152/29302/29502/29752 Adjustable with ON/OFF Control:
Pin 1 = Enable, 2 = Input, 3 = Ground, 4 = Output, 5 = Adjust
MIC29153/29303/29503/ Adjustable with Flag:
Pin 1 = Flag, 2 = Input, 3 = Ground, 4 = Output, 5 = Adjust
MIC29150/29151/29152/29153 ................................ 1.5A
MIC29300/29301/29302/29303 ................................... 3A
MIC29500/29501/29502/29503 ................................... 5A
MIC29750/29751/29752 ........................................... 7.5A
(5-pin versions)
leading performance specifications
MIC29150/29300/29500/29750
High-Current Low-Dropout Regulators
MIC29151/29152/29153BU/WU
MIC29301/29302/29303BU/WU
MIC29501/29502/29503BU/WU
On all devices, the Tab is grounded.
TO-263-5 Lead
M9999-110205

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MIC29302WU Summary of contents

Page 1

General Description The MIC29150/29300/29500/29750 are high current, high accuracy, low-dropout voltage regulators. Using Micrel's proprietary Super βeta PNP™ process with a PNP pass ele- ment, these regulators feature 300mV to 370mV (full load) dropout voltages and very low ground current. ...

Page 2

... MIC29300-5.0WU** MIC29300-12BT MIC29300-12WT** MIC29300-12BU MIC29300-12WU** MIC29301-3.3BT MIC29301-3.3WT** MIC29301-3.3BU MIC29301-3.3WU** MIC29301-5.0BT MIC29301-5.0WT** MIC29301-5.0BU MIC29301-5.0WU** MIC29301-12BT MIC29301-12WT** MIC29301-12BU MIC29301-12WU** MIC29302BT MIC29302WT** MIC29302BU MIC29302WU** MIC29303BT MIC29303WT** MIC29303BU MIC29303WU** MIC29500-3.3BT MIC29500-3.3WT** MIC29500-5.0BT MIC29500-5.0WT** MIC29501-3.3BT MIC29501-3.3WT** MIC29501-3.3BU MIC29501-3.3WU** MIC29501-5.0BT MIC29501-5.0WT** MIC29501-5.0BU MIC29501-5.0WU** MIC29502BT MIC29502WT** MIC29502BU MIC29502WU** ...

Page 3

Absolute Maximum Ratings Power Dissipation ..................................... Internally Limited Lead Temperature (Soldering, 5 seconds) ................ 260°C Storage Temperature Range ..................... -65°C to +150°C (1) Input Supply Voltage ................................... -20V to +60V Electrical Characteristics All measures 25°C unless otherwise ...

Page 4

Micrel, Inc. Parameter Condition Reference MIC29xx2/MIC29xx3 Reference Voltage (8) Reference Voltage Adjust Pin Bias Current (7) Reference Voltage Temperature Coefficient Adjust Pin Bias Current Temperature Coefficient Flag Output (Error Comparator) MIC29xx1/29xx3 Output Leakage Current V = 26V OH Output Low ...

Page 5

Block Diagram IN FLAG EN Typical Applications MIC29500-3.3 Figure 1. Fixed Output Voltage November 2005 1.240V 1.180V Reference Thermal Shut- down * Feedback network in fixed versions only † Adjustable version only 3. ...

Page 6

Micrel, Inc. Typical Characteristics MIC2915x MIC2915x Dropout Voltage vs. Output Current 450 400 350 300 250 200 150 100 50 0 0.0 0.5 1.0 1.5 OUTPUT CURRENT (A) MIC2915x Ground Current vs. Output Current ...

Page 7

MIC29151-xx/2 Enable Current vs. Temperature -60 - 120 150 TEMPERATURE (°C) MIC29152/3 Adjust Pin Current vs. Temperature 50 40 ...

Page 8

Micrel, Inc. Typical Characteristics MIC2930x MIC2930x Dropout Voltage vs. Output Current 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0. OUTPUT CURRENT (A) MIC2930x Ground Current vs. Output Current ...

Page 9

MIC29301-xx/2 Enable Current vs. Temperature -60 - 120 150 TEMPERATURE (°C) MIC29302/3 Adjust Pin Current vs. Temperature 50 40 ...

Page 10

Micrel, Inc. Typical Characteristics MIC2950x MIC2950x Dropout Voltage vs. Output Current 450 400 350 300 250 200 150 100 OUTPUT CURRENT (A) MIC2950x Ground Current vs. Output Current ...

Page 11

MIC29501-xx/2 Enable Current vs. Temperature -60 - 120 150 TEMPERATURE (°C) MIC29502/3 Adjust Pin Current vs. Temperature 80 70 ...

Page 12

Micrel, Inc. Typical Characteristics MIC2975x MIC2975x Dropout Voltage vs. Output Current 450 400 350 300 250 200 150 100 OUTPUT CURRENT (A) MIC2975x Ground Current vs. Output Current 120 ...

Page 13

MIC29751-xx/2 Enable Current vs. Temperature -60 - 120 150 TEMPERATURE (°C) MIC29752/3 Adjust Pin Current vs. Temperature 80 70 ...

Page 14

Micrel, Inc. Applications Information The MIC29150/29300/29500/29750 are high performance low-dropout voltage regulators suitable for all moderate to high-current voltage regulator applications. Their 300mV to400mV dropout voltage at full load make them especial- lyvaluable in battery powered systems and as high ...

Page 15

Device MIC29150................................................5mA MIC29300................................................7mA MIC29500..............................................10mA MIC29750..............................................10mA Adjustable Regulator Design MIC29152BT 10µF R2 Figure 4.Adjustable Regulator with Resistors The adjustable regulator versions, MIC29xx2 and MIC29xx3, allow programming the output voltage anywhere between 1.25V and the 26V maximum operating rating ...

Page 16

Micrel, Inc. Package Information April 2005 3-Lead TO-220 (T) 5-Lead TO-220 (T) 16 MIC29150/29300/29500/29750 M9999-042705 ...

Page 17

November 2005 0.100 3-Lead TO-263 (U) 1 θ 2 θ 1 θ 1 θ 3 θ 2 θ 3 θ 4 θ 5-Lead TO-263 (U) 17 M9999-110205 ...

Page 18

Micrel, Inc. MOUNTING HOLE 0.860 – 0.880 (21.844 – 22.352) 0.780 – 0.820 (19.812 – 20.828) 0.040 – 0.060 (1.016 – 1.524) MOUNTING HOLE 0.140 – 0.143 (3.56 – 3.63) DIA TYP 0.242 BSC (6.15 BSC) 0.819 – 0.844 (20.80 ...

Page 19

... MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL This information furnished by Micrel in this data sheet is believed to be accurate and reliable. However no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. ...

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