AP1519, AP1519SA, AP1520 Selling Leads, Datasheet
MFG:ANACHIP Package Cooled:SOP-8 D/C:04+/07+ROSH
AP1519, AP1519SA, AP1520 Datasheet download
Part Number: AP1519
MFG: ANACHIP
Package Cooled: SOP-8
D/C: 04+/07+ROSH
AP1519, AP1519SA, AP1520
- Table of contents:
Info of AP1519
Info of AP1519SA
Info of AP1520
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About AP10
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Datasheet: AP10
File Size: 239928 KB
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About AP10
PDF/DataSheet Download
Datasheet: AP10
File Size: 239928 KB
Manufacturer:
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About AP1520
PDF/DataSheet Download
Datasheet: AP1520
File Size: 186775 KB
Manufacturer: Anachip
Download : Click here to Download
AP1520 General Description
AP1520 consists of step-down switching regulator with PWM control. These devices include a reference voltage source, oscillation circuit, error amplifier,internal PMOS and etc.
AP1520 provides low-ripple power, high efficiency,and excellent transient characteristics. The PWM control circuit is able to vary the duty ratio linearly from 0 up to 100%. This converter also contains an error amplifier circuit as well as a soft-start circuit that prevents overshoot at startup. An enable function,an over current protect function and a short circuit protect function are built inside, and when OCP or SCP happens, the operation frequency will be reduced from 300KHz to 30KHz. Also, an internal compensation block is built in to minimum external component count.
With the addition of an internal P-channel Power MOS,a coil, capacitors, and a diode connected externally,these ICs can function as step-down switching regulators. They serve as ideal power supply units for portable devices when coupled with the SOP8L mini-package, providing such outstanding features as low current consumption. Since this converter can accommodate an input voltage up to 23V, it is also suitable for the operation via an AC adapter.
AP1520 Maximum Ratings
| Symbol | Parameter | Rating | Unit |
| VCC | VCC Pin Voltage | VSS - 0.3 to VSS + 25 | V |
| VFB | Feedback Pin Voltage | VSS - 0.3 to VCC | V |
| VEN | EN Pin Voltage | VSS - 0.3 to VIN + 0.3 | V |
| VOUTPUT | Switch Pin Voltage | VSS - 0.3 to VIN + 0.3 | V |
| PD | Power Dissipation | Internally limited | mW |
| TOPR | Operating Temperature Range | -20 to +125 | |
| TSTG | Storage Temperature Range | -40 to +150 |
AP1520 Features
Input voltage: 3.6V to 23V.
Output voltage: 0.8V to VCC.
Duty ratio: 0% to 100% PWM control
Oscillation frequency: 300KHz typ.
Soft-start, Current Limit, Enable function
Thermal Shutdown function
Built-in internal SW P-channel MOS
SOP-8L Pb-Free Package.
Output voltage: 0.8V to VCC.
Duty ratio: 0% to 100% PWM control
Oscillation frequency: 300KHz typ.
Soft-start, Current Limit, Enable function
Thermal Shutdown function
Built-in internal SW P-channel MOS
SOP-8L Pb-Free Package.
AP1520 Typical Application
PC Motherboard
LCD Monitor
Graphic Card
DVD-Video Player
Telecom Equipment
ADSL Modem
Printer and other Peripheral Equipment
Microprocessor core supply
Networking power supply
LCD Monitor
Graphic Card
DVD-Video Player
Telecom Equipment
ADSL Modem
Printer and other Peripheral Equipment
Microprocessor core supply
Networking power supply
AP1520 Connection Diagram
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