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ADPL76030 Datasheet(PDF) 1 Page - Analog Devices |
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ADPL76030 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 40 page  Data Sheet ADPL76030 55 V, 1.4 MHz Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum Rev.0 DOCUMENT FEEDBACK TECHNICAL SUPPORT One Analog Wa y, Wilmington, MA 01887 -2356, U.S.A. Tel: 781.329.47 00 ©2023 Analog Devices, Inc. Al l rights rese rve d. FEATURES 4-Switch Single Inductor Architecture Allows VIN Above, Below, or Equal to VOUT Up to 95% Efficiency at 1.4 MHz Proprietary Peak-Buck, Peak-Boost Current- Mode Wide VINRange: 4 V to 55 V ±2% Output Voltage Accuracy: 1 V ≤ VOUT ≤ 55 V ±3% Input or Output Current Accuracy with Monitor Spread Spectrum Frequency Modulation for Low EMI No Top MOSFET Refresh Noise in Buck or Boost Adjustable and Synchronizable: 600 kHz to 1.4 MHz VOUT Disconnected from VIN During Shutdown APPLICATIONS Automotive, Industrial, Telecom Systems High Frequency, Battery-Powered System GENERAL DESCRIPTION The ADPL76030 is a synchronous 4-switch buck-boost DC/DC controller that regulates output voltage, and input or output current from an input voltage above, below, or equal to the output voltage. The proprietary peak-buck, peak-boost current-mode control scheme allows adjustable and synchronizable 600 kHz to 1.4 MHz fixed frequency operation, or internal 25% triangle spread spectrum frequency modulation for low EMI. With a 4 V to 55 V input voltage range, 0 V to 55 V output voltage capability, and seamless low noise transitions between operation regions, the ADPL76030 is ideal for voltage regulators, and battery and supercapacitor charger applications in automotive, industrial, telecom, and even battery-powered systems. The ADPL76030 provides input or output current monitor and power good flag. Fault protection is also provided to detect output short-circuit condition, during which the ADPL76030 retries, latches off, or keeps running. All registered trademarks and trademarks are the property of their respective owners. TYPICAL APPLICATION Figure 1. 95% Efficient 48 W (12 V, 4 A,) 1.4 MHz Buck-Boost Voltage Regulator Figure 2. Efficiency vs. VIN 169kΩ 22nF 0.1µF 100V ×2 0.1µF 22µF 63V 383kΩ 4.7µF 100kΩ 0.47µF 100kΩ 2.2nF 10kΩ 110kΩ 10kΩ 0.1µF 16V ×2 133kΩ 100kΩ 0.1µF 1µF 1µF 1µH 1µF 10Ω 10Ω 22µF 16V ×2 22µF 16V 4.7µF 100V ×2 5mΩ 10mΩ EN/UVLO VREF CTRL PGOOD BG2 BST2 TG2 INTVCC TEST2 FB VOUT ISP ISN SYNC/SPRD TEST1 VIN 6V TO 28V CONTINUOUS 4V TO 52V TRANSIENT 1.4MHz ISMON PGOOD VOUT 12V 4A LSP LSN SW1 SW2 BST1 TG1 BG1 VIN ADPL76030 DNC ISMON SS VC RT GND SSFM OFF SSFM ON INTVCC INTVCC INTVCC CONTINUOUS OPERATION WITH HIGHEST COMPONENT TEMPERATURE BELOW 90°C (TA = 25°C) IOUT = 4A IOUT = 2A INPUT VOLTAGE (V) 0 5 10 15 20 25 30 35 40 50 60 70 80 90 100 |
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