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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 feat.
• 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, sync.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | ACT8310 |
Active-Semi |
(ACT8309 - ACT8311) PWM Step-Down DC/DCs |
|
| 2 | ACT8310 |
Qorvo |
PWM Step-Down DC/DC converter |
|
| 3 | ACT8311 |
Active-Semi |
(ACT8309 - ACT8311) PWM Step-Down DC/DCs |
|
| 4 | ACT8311 |
Qorvo |
PWM Step-Down DC/DC converter |
|
| 5 | ACT8311NHADJ-T |
Qorvo |
PWM Step-Down DC/DC converter |
|
| 6 | ACT8309 |
Active-Semi |
(ACT8309 - ACT8311) PWM Step-Down DC/DCs |
|
| 7 | ACT8325 |
Active-Semi |
Dual PWM Step-Down DC/DCs in TDFN33 |
|
| 8 | ACT8332 |
Active-Semi |
Three Channel Integrated Power Management IC |
|
| 9 | ACT8342 |
Active-Semi |
Three Channel Integrated Power Management IC |
|
| 10 | ACT8352 |
Active-Semi |
Four-Channel Integrated Power Management IC |
|
| 11 | ACT81460 |
Active-Semi |
Low Power PMIC |
|
| 12 | ACT81460 |
Qorvo |
Low Power PMIC |
|