Microchip MIC23153 Bruksanvisning
Microchip
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MIC23153
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2021-2022 Microchip Technology Inc. and its subsidiaries DS20006489B-page 1
MIC23153
Features
• Input Voltage: 2.7V to 5.5V
• Output Voltage: Fixed or Adjustable (0.62V to
3.6V)
• Up to 2A Output Current
• Up to 93% Peak Efficiency
• 85% Typical Efficiency at 1 mA
• Power Good (PG) Output
• Programmable Soft-Start
• 22 µA Typical Quiescent Current
• 4 MHz PWM Operation in Continuous Mode
• Ultra-Fast Transient Response
• Low Ripple Output Voltage:
- 35 mVPP Ripple in HyperLight Load® Mode
- 5 mV Output Voltage Ripple in Full PWM
Mode
• Fully Integrated MOSFET Switches
• 0.01 µA Shutdown Current
• Thermal Shutdown and Current Limit Protection
• 10-Pin 2.5 mm x 2.5 mm Thin DFN Package
• –40°C to +125°C Junction Temperature Range
Applications
• Solid State Drives (SSD)
• Mobile Handsets
• Portable Media/MP3 Players
• Portable Navigation Devices (GPS)
• WiFi/WiMax/WiBro Modules
• Wireless LAN Cards
• Portable Applications
General Description
The MIC23153 is a high-efficiency 4 MHz 2A
synchronous buck regulator with HyperLight Load®
mode, Power Good (PG) output indicator, and
programmable soft-start. HyperLight Load® provides
very high efficiency at light loads and ultra-fast
transient response that makes the MIC23153 perfectly
suited for supplying processor core voltages.
An additional benefit of this proprietary architecture is
very low output ripple voltage throughout the entire
load range with the use of small output capacitors. The
tiny 2.5 mm x 2.5 mm thin DFN package saves
precious board space and requires only four external
components.
The MIC23153 is designed for use with a very small
inductor, down to 0.47 µH, and an output capacitor as
small as 2.2 µF that enables a total solution size, less
than 1 mm in height.
The MIC23153 has a very-low quiescent current of
22 µA and achieves a peak efficiency of 93% in
continuous conduction mode. In discontinuous
conduction mode, the MIC23153 can achieve 85%
efficiency at 1 mA.
The MIC23153 is available in 10-pin 2.5 mm x 2.5 mm
TDFN package with an operating junction temperature
range from –40°C to +125°C.
4 MHz PWM 2A Buck Regulator with
HyperLight Load® and Power Good
MIC23153
DS20006489B-page 2 2021-2022 Microchip Technology Inc. and its subsidiaries
Package Types
Typical Application Circuits
10-Pin 2.5 mm x 2.5 mm TDFN
Fixed (Top View)
10-Pin 2.5 mm x 2.5 mm TDFN
Adjustable (Top View)
Fixed Output MIC23153
Adjustable Output MIC23153
2021-2022 Microchip Technology Inc. and its subsidiaries DS20006489B-page 3
MIC23153
Functional Block Diagrams
Simplified MIC23153 Fixed Functional Block Diagram
Simplified MIC23153 Adjustable Functional Block Diagram
Produktspecifikationer
| Varumärke: | Microchip |
| Kategori: | Inte kategoriserad |
| Modell: | MIC23153 |
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