MIC5200 MICREL [Micrel Semiconductor], MIC5200 Datasheet

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MIC5200

Manufacturer Part Number
MIC5200
Description
100mA Low-Dropout Voltage Regulator Preliminary Information
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet

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MIC5200
General Description
The MIC5200 is an efficient linear voltage regulator with very
low dropout voltage (typically 17mV at light loads and 200mV
at 100mA), and very low ground current (1mA at 100mA
output), offering better than 1% initial accuracy with a logic
compatible ON/OFF switching input. Designed especially for
hand-held battery powered devices, the MIC5200 is switched
by a CMOS or TTL compatible logic signal. The ENABLE
control may be tied directly to V
power consumption drops nearly to zero. The ground current
of the MIC5200 increases only slightly in dropout, further
prolonging battery life. Key MIC5200 features include protec-
tion against reversed battery, current limiting, and over-
temperature shutdown.
The MIC5200 is available in several fixed voltages and
accuracy configurations. Other options are available; contact
Micrel for details.
Typical Application
IN
Output
if unneeded. When disabled,
1 F
Ordering Information
Other voltages available. Contact Micrel for details.
Part Number
MIC5200-3.0BM
MIC5200-3.3BM
MIC5200-4.8BM
MIC5200-5.0BM
MIC5200-3.3BMM
MIC5200-5.0BMM
MIC5200-3.0BS
MIC5200-3.3BS
MIC5200-4.8BS
MIC5200-5.0BS
MIC5200-3.3
3-123
Voltage
Features
• High output voltage accuracy
• Variety of output voltages
• Guaranteed 100mA output
• Low quiescent current
• Low dropout voltage
• Extremely tight load and line regulation
• Very low temperature coefficient
• Current and thermal limiting
• Zero OFF mode current
• Logic-controlled electronic shutdown
• Available in 8-lead SOIC, MM8™ 8-lead MSOP,
Applications
• Cellular Telephones
• Laptop, Notebook, and Palmtop Computers
• Battery Powered Equipment
• PCMCIA V
• Bar Code Scanners
• SMPS Post-Regulator/ DC to DC Modules
• High Efficiency Linear Power Supplies
100mA Low-Dropout Voltage Regulator
3.3V
5.0V
4.85
4.85
3.0
3.3
5.0
3.0
3.3
5.0
and SOT-223 packages
Enable
Accuracy
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
CC
Preliminary Information
and V
Junction Temp. Range*
MIC5200
PP
Regulation/Switching
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
Package
SOT-223
SOT-223
SOT-223
SOT-223
MSOP-8
MSOP-8
July 1998
SO-8
SO-8
SO-8
SO-8
Micrel
3

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MIC5200 Summary of contents

Page 1

... MIC5200 General Description The MIC5200 is an efficient linear voltage regulator with very low dropout voltage (typically 17mV at light loads and 200mV at 100mA), and very low ground current (1mA at 100mA output), offering better than 1% initial accuracy with a logic compatible ON/OFF switching input. Designed especially for hand-held battery powered devices, the MIC5200 is switched by a CMOS or TTL compatible logic signal ...

Page 2

... Supply Input: Pins 7 and 8 must be extenally connected together. Recommended Operating Conditions Input Voltage ............................................................... 2.5V to 26V Operating Junction Temperature Range ............. – +125 C Enable Input Voltage .................................................... –20V to V 3-124 OUT IN OUT GND EN MIC5200-x.xBM (SO-8) MIC5200-x.xBMM (MSOP-8) EN may be tied directly are internally connected. TAB Micrel IN ...

Page 3

... I = 100mA 0.5V less than specified V IN OUT I = 100 A (Note OUT (Note 6) OFF the junction-to-ambient thermal resistance, J (MAX) of the MIC5200-xxBS is 15 C/W and JC 3-125 Micrel Min Typical Max Units –1 1 – 150 ppm/ C 0.004 0.10 0.40 0.04 0.16 0. 130 150 ...

Page 4

... MIC5200 Typical Characteristics Dropout Voltage vs. Output Current 250 200 150 100 50 0 0.01 0 100 1000 OUTPUT CURRENT (mA) Ground Current vs. Output Current 10 1 0.1 0.01 0 100 OUTPUT CURRENT (mA) Ground Current vs. Temperature 0. 100 A LOAD 4.7 F OUT 0.20 0.15 -60 - 120 150 TEMPERATURE ( C) Output Voltage vs. Temp. ...

Page 5

... MIC5200 Short Circuit Current vs. Input Voltage 300 250 200 150 C = 2.2 F 100 4.7 F OUT V = 3.3V 50 OUT INPUT VOLTAGE (V) Supply Current vs. Supply Voltage (3.3V Version) 120 100 SUPPLY VOLTAGE (V) Supply Current vs. Supply Voltage (3 ...

Page 6

... The capacitor can be reduced to 0.47 F for current below 10mA or 0.33 F for currents below 1 mA capacitor should be placed from the MIC5200 input to ground if there is more than 10 inches of wire between the input and the AC filter capacitor battery is used as the input ...

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