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ACT8310

Qorvo
Part Number ACT8310
Manufacturer Qorvo
Description PWM Step-Down DC/DC converter
Published Dec 26, 2020
Detailed Description ACT8310 / ACT8311 1.5A, PWM Step-Down DC/DCs in TDFN FEATURES • Multiple Patents Pending • Up to 95% High Efficiency • ...
Datasheet PDF File ACT8310 PDF File

ACT8310
ACT8310

Overview
ACT8310 / ACT8311 1.
5A, PWM Step-Down DC/DCs in TDFN FEATURES • Multiple Patents Pending • Up to 95% High Efficiency • Up to 1.
5A Guaranteed Output Current (ACT8311) • 1.
35MHz Constant Frequency Operation • Internal Synchronous Rectifier Eliminates Schottky Diode • ACT8310: Up to 1.
2A • ACT8311: Up to 1.
5A • 100% Duty Cycle Low-Dropout Operation • 0.
1µA Shutdown Current • Small TDFN33-8 Package  RoHS-Compliant • Enable/Disable Control • Minimal External Components APPLICATIONS • Wireless Handhelds • Portable Devices • GPS/PND equipment SYSTEM BLOCK DIAGRAM GENERAL DESCRIPTION The patent-pending ACT8310/ACT8311 are currentmode, fixed-frequency PWM, synchronous step-down DC/DC converters that are capable of delivering 1.
5A with efficiency of up to 95%.
These devices operate with a fixed frequency of 1.
35MHz, minimizing noise in sensitive equipment as well as optimizing both efficiency and component size and cost.
These devices feature very low-resistance power MOSFET and 100% duty cycle operation, making them ideal choices for portable applications requiring a 3.
0V or 3.
3V rail to be generated from a Li+ battery.
The ACT8311 is capable of supplying up to 1.
5A of output current, while the ACT8310 is capable of supplying up to 1.
2A, respectively.
All three devices have adjustable output voltages that are programmable down to 1.
2V.
Contact Qorvo for custom fixed output voltage availability.
2.
7V to 5.
0V ON OFF Power-OK Output IN SW ACT8311 EN FB POK GP G VOUT Up to 1.
5A Pb-free Data Sheet Rev.
5.
0, January 28, 2020 | Subject to change without notice 1 of 10 www.
qorvo.
com ORDERING INFORMATION PART NUMBER ACT8310NHADJ-T ACT8311NHADJ-T OUTPUT CURRENT 1.
2A 1.
5A PIN CONFIGURATION ACT8310 / ACT8311 1.
5A, PWM Step-Down DC/DCs in TDFN OUTPUT VOLTAGE Adjustable Adjustable PACKAGE PINS TDFN33-8 8 TDFN33-8 8 TEMPERATURE RANGE -40°C to +85°C -40°C to +85°C IN 1 GP 2 IN 3 G4 ACT8310 ACT8311 8 SW 7 EN 6 POK 5 FB TDFN33-8 PIN DESCRIPTIONS PIN NUMBER 1,3 ...


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