Microchip MIC5378 Bedienungsanleitung
Microchip
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MIC5378
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2018 - 2022 Microchip Technology Inc. and its subsidiaries DS20006080B-page 1
MIC5376/7/8
Features
• 4-Lead 1 mm x 1 mm UDFN: MIC5376
• 8-Lead 1.2 mm x 1.2 mm Thin QFN: MIC5377/8
• Low-Cost 5-Lead SC-70 Package Available
• Low Dropout Voltage: 120 mV at 150 mA
• Input Voltage Range: 2.5V to 5.5V
• 150 mA Guaranteed Output Current
• Stable with 0402 Ceramic Capacitors as Low as
1 µF
• Low Quiescent Current: 29 µA
• Excellent Load/Line Transient Response
• Fixed Output Voltages: MIC5376
• Adjustable Output Voltages: MIC5377/8
• Output Discharge Circuit: MIC5376/8
• High Output Accuracy
- ±2% Initial Accuracy
• Thermal Shutdown and Current Limit Protection
Applications
• Mobile Phones
• Digital Cameras
• GPS, PDAs, PMP, Handhelds
• Portable Electronics
General Description
The MIC5376, MIC5377, and MIC5378 are advanced,
general purpose linear regulators that offer low dropout
in ultra-small packages. The MIC5376 provides a fixed
output voltage in a 1 mm x 1 mm UDFN package while
the MIC5377 and MIC5378 provide adjustable output
voltages in a 1.2 mm x 1.2 mm Thin QFN package.
When the MIC5376 or MIC5378 are disabled, an
internal resistive load is automatically applied to the
output to discharge the output capacitor. The
MIC5376/7/8 are capable of sourcing 150 mA output
current with low dropout, making it an ideal solution for
any portable electronic application.
Ideal for battery-powered applications, the
MIC5376/7/8 offer 2% initial accuracy, low dropout
voltage (120 mV at 150 mA), and ground current
(typically 29 µA). The MIC5376/7/8 can also be put into
a zero-off-mode current state, drawing virtually no
current when disabled.
The MIC5376 is available in lead-free (RoHS
compliant) 1 mm x 1 mm UDFN and SC-70-5
packages. The MIC5377/8 are available in lead-free
(RoHS compliant) 1.2 mm x 1.2 mm Thin QFN and
SC-70-5 packages.
The MIC5376/7/8 have an operating junction
temperature range of –40°C to 125°C.
Typical Application Circuit
VIN VOUT
VBAT
GND
MIC5376-xxYMT
EN1μF 1μF
V
OUT
= 2.8V
High Performance Low Dropout 150 mA LDO
MIC5376/7/8
DS20006080B-page 2 2018 - 2022 Microchip Technology Inc. and its subsidiaries
Package Types
Functional Block Diagram
1
2
4
3
VOUT GND
ENVIN
MIC5376 (Fixed Output)
4-Lead 1 mm x 1 mm UDFN (MT)
(Top View)
MIC5377/8 (Adjustable Output)
8-Lead 1.2 mm x 1.2 mm TQFN (MT)
(Top View)
MIC5376 (Fixed Output)
5-Lead SC-70 (C5)
(Top View)
MIC5377/8 (Adjustable Output)
5-Lead SC-70 (C5)
(Top View)
EN
GND
NC VOUT
VIN
3
1
5
2
4
EN
GND
ADJ VOUT
VIN
3
1
5
2
4
8
1
2
3
4
7
6
5
EN
VIN
VOUT GND
GND
ADJ
Reference
LDO
VOUT
GND
VIN
EN
Auto
Discharge
MIC5376 Block Diagram
Reference
LDO
VOUT
ADJ
*MIC5378 Only
GND
VIN
EN
Auto
Discharge*
MIC5377/8 Block Diagram
Produktspezifikationen
| Marke: | Microchip |
| Kategorie: | Nicht kategorisiert |
| Modell: | MIC5378 |
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