AP1515-SL-13

AP1515-SL-13 Datasheet

AP1515

Part	Datasheet
AP1515-SL-13	AP1515-SL-13 (pdf)

Related Parts	Information
AP1515-33SL-13	AP1515-33SL-13

PDF Datasheet Preview
Not Recommended for New Design 150KHz, 1.5A PWM Buck DC/DC Converter AP1515 - Features - Output voltage 3.3V and adjustable output version - Adjustable version output voltage range, 1.23V to 18V+4% - 150KHz +15% fixed switching frequency - Voltage mode non-synchronous PWM control - Thermal-shutdown and current-limit protection - Operating voltage can be up to 22V - Output load current 1.5A - SIP-4L, SOP-8 Pb-Free package - Low power standby mode - Built-in switching transistor on chip - Very Low Cost - Applications - Simple High-efficiency step-down regulator - On-card switching regulators - Positive to negative converter - General Description The AP1515 series are monolithic IC designed for a step-down DC/DC converter, and own the ability of driving a 1.5A load without additional transistor component. Due to reducing the number of external component, the board space can be saved easily. The external shutdown function can be controlled by logic level and then come into standby mode. The internal compensation makes feedback control have good line and load regulation without external design. Regarding protected function, thermal shutdown is to prevent over temperature operating from damage, and current limit is against over current operating of the output switch. If current limit function occurred and VFB is down to 0.5V below, the switching frequency will be reduced. The AP1515 series operates at a switching frequency of 150KHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Other features include a guaranteed +4% tolerance on output voltage under specified input voltage and output load conditions, and +15% on the oscillator frequency. The output version included fixed 3.3V and an adjustable type. - Pin Assignments - Pin Descriptions 1515 Front View 1 VIN 2 Output 4 GND 12 3 4 SIP-4L VIN Output FB SD Top View SOP-8L Name VIN Output FB SD GND Description Operating voltage input Switching output voltage feedback control ON/OFF Shutdown Ground This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Not Recommended for New Design 150KHz, 1.5A PWM Buck DC/DC Converter AP1515 - Ordering Information AP1515 XX X - Block Diagram Output version Package Blank Adjustable P SIP-4L Bulk -33 3.3V S SOP-8L Packing Blank Tube A Taping 200mV 220mV Current Source bias 1.235V Reference 2.5V Regulator Start up Com_p Comp Frequecy _Amp compensation Comp Pre-driver 1.5A Switch 150KHz OSC. Thermal Shutdown Output Gnd Anachip Corp. Not Recommended for New Design 150KHz, 1.5A PWM Buck DC/DC Converter AP1515 - Absolute Maximum Ratings Parameter Rating Unit Supply Voltage ON/OFF Pin input voltage to +18 Feedback Pin voltage to +18 VOUT

PDF Datasheet Preview

Not Recommended for New Design
150KHz, 1.5A PWM Buck DC/DC Converter

AP1515
- Features
- Output voltage 3.3V and adjustable output version
- Adjustable version output voltage range, 1.23V to 18V+4%
- 150KHz +15% fixed switching frequency - Voltage mode non-synchronous PWM control - Thermal-shutdown and current-limit protection - Operating voltage can be up to 22V - Output load current 1.5A - SIP-4L, SOP-8 Pb-Free package - Low power standby mode - Built-in switching transistor on chip - Very Low Cost
- Applications
- Simple High-efficiency step-down regulator - On-card switching regulators - Positive to negative converter
- General Description

The AP1515 series are monolithic IC designed for a step-down DC/DC converter, and own the ability of driving a 1.5A load without additional transistor component. Due to reducing the number of external component, the board space can be saved easily. The external shutdown function can be controlled by logic level and then come into standby mode. The internal compensation makes feedback control have good line and load regulation without external design. Regarding protected function, thermal shutdown is to prevent over temperature operating from damage, and current limit is against over current operating of the output switch. If current limit function occurred and VFB is down to 0.5V below, the switching frequency will be reduced. The AP1515 series operates at a switching frequency of 150KHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Other features include a guaranteed +4% tolerance on output voltage under specified input voltage and output load conditions, and +15% on the oscillator frequency. The output version included fixed 3.3V and an adjustable type.
- Pin Assignments
- Pin Descriptions
1515

Front View 1 VIN 2 Output
4 GND 12 3 4

SIP-4L

VIN Output

FB SD

Top View

SOP-8L

Name VIN

Output FB SD GND

Description Operating voltage input Switching output voltage feedback control ON/OFF Shutdown Ground

This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product.

Not Recommended for New Design
150KHz, 1.5A PWM Buck DC/DC Converter

AP1515
- Ordering Information

AP1515 XX X
- Block Diagram

Output version

Package

Blank Adjustable P SIP-4L Bulk
-33 3.3V

S SOP-8L

Packing

Blank Tube A Taping
200mV 220mV

Current Source
bias
1.235V Reference
2.5V Regulator

Start up

Com_p

Comp

Frequecy
_Amp
compensation

Comp

Pre-driver
1.5A Switch
150KHz OSC.

Thermal Shutdown

Output Gnd

Anachip Corp.

Not Recommended for New Design
150KHz, 1.5A PWM Buck DC/DC Converter

AP1515
- Absolute Maximum Ratings

Parameter

Rating

Unit

Supply Voltage

ON/OFF Pin input voltage
to +18

Feedback Pin voltage
to +18

VOUT

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived AP1515-SL-13 Datasheet file may be downloaded here without warranties.

Datasheet ID: AP1515-SL-13 509810