Microchip MIC5219 Bruksanvisning

Microchip Inte kategoriserad MIC5219

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DS20006021A-page 1 2018 Microchip Technology Inc.
MIC5219
Features
• 500 mA Output Current Capability
- SOT23-5 Package - 500 mA Peak
- 2 mm x 2 mm x 0.9 mm VDFN Package -
500 mA Continuous
- 2 mm x 2 mm x 0.6 mm Thin DFN Package -
500 mA Continuous
- MSOP-8 Package - 500 mA Continuous
• Low 500 mV Maximum Dropout Voltage at Full
Load
• Extremely Tight Load and Line Regulation
• Tiny SOT-23-5 and Power MSOP-8 Package
• Ultra-Low Noise Output
• Low Temperature Coefficient
• Current and Thermal Limiting
• Reversed-Battery Protection
• CMOS/TTL-Compatible Enable/Shutdown Control
• Near-Zero Shutdown Current
Applications
• Laptop, Notebook, and Palmtop Computers
• Cellular Telephones and Battery-Powered
Equipment
• Consumer and Personal Electronics
• PC Card VCC and VPP Regulation and Switching
• SMPS Post-Regulator/DC-to-DC Modules
• High-Efficiency Linear Power Supplies
General Description
The MIC5219 is an efficient linear voltage regulator
with high peak output current capability, very low
dropout voltage, and better than 1% output voltage
accuracy. Dropout is typically 10 mV at light loads and
less than 500 mV at full load.
The MIC5219 is designed to provide a peak output
current for start-up conditions where higher inrush
current is demanded. It features a 500 mA peak output
rating. Continuous output current is limited only by
package and layout.
The MIC5219 can be enabled or shut down by a
CMOS- or TTL-compatible signal. When disabled,
power consumption drops nearly to zero. Dropout
ground current is minimized to help prolong battery life.
Other key features include reversed-battery protection,
current limiting, overtemperature shutdown, and low
noise performance with an ultra-low noise option.
The MIC5219 is available in adjustable or fixed output
voltages in the space-saving 6-pin (2 mm × 2 mm)
VDFN, 6-pin (2 mm × 2 mm) Thin DFN, SOT23-5, and
8-pin power MSOP packages. For higher power
requirements see the MIC5209 or MIC5237.
500 mA Peak Output LDO Regulator
MIC5219
DS20006021A-page 2 2018 Microchip Technology Inc.
Package Types
MIC5219-x.xYMM
MSOP-8 (MM)
Fixed Voltages
(Top View)
MIC5219YMM
MSOP-8 (MM)
Adjustable Voltages
(Top View)
MIC5219-x.xYML
6-Pin VDFN (ML)
(Top View)
MIC5219YMT
6-Pin TDFN (MT)
(Top View)
MIC5219-x.xYM5
SOT23-5 (M5)
Fixed Voltages
(Top View)
MIC5219YM5
SOT23-5 (M5)
Adjustable Voltage
(Top View)
1
2
3
4
8
7
6
5
GND
GND
GND
GND
E N
IN
OUT
BYP
1
2
3
4
8
7
6
5
GND
GND
GND
GND
E N
IN
OUT
BYP
IN
OUTB Y P
E N
L G x x
13
4 5
2
GND
Part
Identification
IN
OUTADJ
E N
L G A A
13
4 5
2
GND
1EN
GND
IN
6 BYP
NC
OU
T
5
4
2
3
1EN
GND
IN
6 NC
ADJ
OU
5
4
2
3
2018 Microchip Technology Inc. DS20006021A-page 3
MIC5219
Typical Application Circuits
MIC5219
5V Ultra-Low Noise Regulator
MIC5219
3.3V Ultra-Low Noise Regulator
MIC5219
Ultra-Low Noise Regulator (Fixed)
MIC5219
Ultra-Low Noise Regulator (Adjustable)
1
2
3
4
8
7
6
5
MIC5219-5.0YMM
2.2μF
tantalum
VOUT
5V
VIN 6V
E NA B L E
SHUTDOW N
470pF
1 5
2
3 4
2.2μF
tantalum
470pF
VOUT
3.3V
MIC5219-3.3YM5
VIN 4V
E NA B L E
SHUTDOW N
ENABLE
SHUTDOWN
MIC5219YMT
1
EN 6
470pF
VIN VOUT
2.2μF
5
4
2
3
R1
R2
+
ENABLE
SHUTDOWN
MIC5219-x.xYML
1
EN 6CBYP
(optional)
VIN VOUT
COUT
5
4
2
3

Produktspecifikationer

Varumärke: Microchip
Kategori: Inte kategoriserad
Modell: MIC5219

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