ADP3050:  200 kHz, 1 A Step-Down High-Voltage Switching Regulator

The ADP3050 is a current-mode monolithic buck (step-down) PWM switching regulator that contains a high current 1A switch and all control, logic and protection functions. It uses a unique compensation ...More

ADP3050:  200 kHz, 1 A Step-Down High-Voltage Switching Regulator

Product Description

The ADP3050 is a current-mode monolithic buck (step-down) PWM switching regulator that contains a high current 1A switch and all control, logic and protection functions. It uses a unique compensation scheme which allows the use of any type of output capacitor (tantalum, ceramic, electrolytic, OS-CON). Unlike some buck regulators, the design is not restricted to using a specific type of output capacitor or ESR value.

Features

  • Wide Input Voltage Range: 3.6 V to 30 V
  • Adjustable and Fixed (3.3 V, 5 V) Output Options
  • Integrated 1 A Power Switch
  • Uses Small Surface-Mount Components
  • Cycle-By-Cycle Current Limiting
  • Peak Input Voltage (100 ms): 60 V
  • Thermally Enhanced 8-Lead
    SOIC Package
  • Configurable as a Buck,
    Inverter and SEPIC Regulator

Diagrams

ADP3050 Diagram
Functional Block Diagram for ADP3050

Specifications

Vin Range 3.6V-30V
Boost No
Buck Yes
Inverting No
Iout (max) 1A
Supply Current (max) 1.5mA
Switching Frequency 200 kHz
Vout Preset Summary 2 Options/3.3V & 5V
Vout Adj Options 1.25V to 12V

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Part# Vin Range Vout Preset Summary Vout Adj Options Iout (max) Isw (Peak) Supply Current (max) Switching Frequency Step Down Step Up Inverting Pkg Product Description Price* (1000-4999) Pos Supply
ADP1111 2V-30V 3 Options/3.3V-12V 1.2V to 30V, 1.2V to Vin 1.5A 1.5A 110µA 70 kHz Yes Yes Yes Plastic DIP-8, SOIC-8 Micropower Step Up/Down/Inverting Switching Regulator; Adjustable or Fixed 3.3V, 5V, 12V $2.05 +2 to +30
ADP2108 2.3V-5.5V 11 Options/1V-3.3V --- 0.6A 1.3A 19µA 3 MHz Yes Yes No WLCSP-5 600 mA, 3 MHz Fast Transient Synchronous Step-Down Converter $0.80 +2.3 to +5.5
ADP2504 2.3V-5.5V 6 Options/2.8V-5V --- 1A 1.3A 38µA 2.5 MHz Yes Yes No LFCSP-10 1 Ampere, 2.5 MHz Buck-Boost DC-to-DC Converter $1.40 +2.3 to +5.5
ADP1611 2.5V-5.5V - Vin to 20V 1.2A 1.2A 600µA 1.2 MHz - Yes - MSOP-8 20 V,1.2 MHz Step-Up DC-to-DC Switching Converter $1.20 +2.5 to +5.5
ADP1610 2.5V-5.5V - Vin to 12V 1.2A 1.2A 600µA 700 kHz or 1.2 MHz No Yes No MSOP-8 1.2 MHz DC-DC Step-Up (Boost) Switching Converter w/ Integrated Power Switch $1.12 +2.5 to +5.5
ADP2102 2.7V-5.5V 8 Options/0.8V-1.875V 0.8V to 3.3V 0.6A 1A 99µA 3 MHz Yes No No LFCSP-8 3 MHz Synchronous Step-Down DC-to-DC Converter $1.23 +2.7 to +5.5
ADP3051 2.7V-5.5V --- 0.8V to 5.5V 0.5A 1A 300µA 550 kHz Yes No No MSOP-8 500 mA PWM Step-Down DC-DC Converter with Synchronous Rectifier $2.65 +2.7 to +5.5
ADP2105 2.7V-5.5V 4 Options/1.2V-3.3V 0.8V to Vin 1A 1.5A 30µA 1.2 MHz Yes No No LFCSP-16 1A Synchronous Step-Down DC-DC Converter $1.13 +2.7 to +5.5
ADP2106 2.7V-5.5V 4 Options/1.2V-3.3V 0.8V to Vin 1.5A 2.25A 30µA 1.2 MHz Yes No No LFCSP-16 1.5A Synchronous Step-Down DC-DC Converter $1.25 +2.7 to +5.5
ADP2107 2.7V-5.5V 4 Options/1.2V-3.3V 0.8V to Vin