Diodes AP3015/A Manual de usuario descargar pdf

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A

May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing Limited

Data

Sheet

General Description

The AP3015/A are Pulse Frequency Modulation

(PFM) DC/DC converters. These two devices are func-

tionally equivalent except the switching current limit.

The AP3015 is designed for higher power systems

with 350mA current limit, and the AP3015A is for

lower power systems with 100mA current limit.

The AP3015/A feature a wide input voltage. The oper-

ation voltage is ranged from 1.2Vto 12V (1V to 12V

for AP3015A). A current limited, fixed off-time con-

trol scheme conserves operating current, resulting in

high efficiency over a broad range of load current.

They also feature low quiescent current, switching cur-

rent limiting, low temperature coefficient, etc.

Fewer tiny external components are required in the

applications to save space and lower cost.

Furthermore, to ease its use in differnet systems, a dis-

able terminal is designed to turn on or turn off the chip.

The AP3015/A are available in SOT-23-5 package.

Features

· Low Quiescent Current

In Active Mode (Not Switching): 17

µA Typical

In Shutdown Mode: <1

µA

· Low Operating V

1.2V Typical for AP3015

1.0V Typical for AP3015A

· Low V

CESAT

Switch

200mV Typical at 300mA for AP3015

70mV Typical at 70mA for AP3015A

· High Output Voltage: up to 34V

· Fixed Off-Time Control

· Switching Current Limiting

350mA Typical for AP3015

100mA Typical for AP3015A

· Operating Temperature Range: -40

C to 85

Applications

· MP3, MP4

· Battery Power Supply System

· LCD/OLED Bias Supply

· Handheld Device

· Portable Communication Device

Figure 1. Package Type of AP3015/A

SOT-23-5

1 2 3 4 5 6 ... 10 11

Indice de contenidos

Pagina 1

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A1May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedData

Pagina 2 - (SOT-23-5)

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A10May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedDat

Pagina 3

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Pagina 4

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A2May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedData

Pagina 5 - Electrical Characteristics

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A3May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedData

Pagina 6

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A4May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedData

Pagina 7

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A5May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedData

Pagina 8 - Operating Principles

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A6May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedData

Pagina 9 - Typical Application

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A7May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedData

Pagina 10

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A8May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedData

Pagina 11

MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A9May 2010 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedData

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