Datasheet > AP1621BWA

AP1621BWA

更新时间： 2024-10-03 19:50:07

品牌	Logo	应用领域
易亨 - ANACHIP		光电二极管
页数	文件大小	规格书
5页	163K
描述
Switching Regulator/Controller, Voltage-mode, 310kHz Switching Freq-Max, PDSO5,

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技术参数
数据手册

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AP1621BWA 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	TSOP, TSOP5/6,.11,37	Reach Compliance Code：	unknown
风险等级：	5.84	控制模式：	VOLTAGE-MODE
JESD-30 代码：	R-PDSO-G5	JESD-609代码：	e0
端子数量：	5	最高工作温度：	80 °C
最低工作温度：	-30 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSOP	封装等效代码：	TSOP5/6,.11,37
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE
认证状态：	Not Qualified	子类别：	Switching Regulator or Controllers
表面贴装：	YES	最大切换频率：	310 kHz
温度等级：	COMMERCIAL EXTENDED	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	Base Number Matches：	1

AP1621BWA 数据手册

AP1621

PWM/PFM Dual Mode Step-down DC/DC Controller

Features

General Descriptions

The AP1621 series are multi-functional step-down

DC/DC converters with built-in speed, low ON

resistance drivers. A more than 1A output current is

possible using an externally connected transistor,

coil, diode and capacitor.

- Input voltage range:2.2V~8V（V_OUTtype）

- Adjustable version（±2.5%）

- Oscillator frequency: 270KHz（±15%）

- High Efficiency: 92%（typ .）

- Stand-by capability: I_STB＝2µA.（max .）

- Soft-start time set-up externally type possible

- Output voltage type possible（FB）

- Package: SOT23-5

Output voltage is set-up by external resistor（. ±2.5%

accuracy）.

With a 270KHz switching frequency, the size of the

external components can be reduced.

Control switches from PWM to PFM during light

loads with the AP1621（PWM/PFM switchable）and

the series is highly efficient from light loads to large

output currents.

Applications

● Electronic Information Organizers

● Palmtops

In relation to soft-start time external capacitor

regulated types.

● Cellular and portable phones

● Portable Audio Systems

● Various Multi-function Power Supplies

During stand-by time （CE pin “LOW”）,current

consumption is reduced to less than 0.5µA.

With U.V.L.O internal, the external MOSFET. Will

be forcibly switched off if used below the stipulated

voltage.

Pin Assignment

Pin Descriptions

(Top View)

V_DD

V_OUT

Pin No.

Function

Name

V _OUTExternal PMOSFET Connection

GND Ground

AP1621A

AP1621B

V _DDPower Supply

Chip Enable

Soft-start capacitor connection

V_OUT

GND

GND FB

V_DD

Feedback pin

SOT23-5

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.

Rev.1.1 May.27, 2004

1/5

12 3 4 5

中文翻译

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与AP1621BWA相关器件

型号	品牌	获取价格	描述	数据表
AP1621BWLA	DIODES	获取价格	Switching Regulator/Controller, Voltage-mode, 310kHz Switching Freq-Max, PDSO5,
AP1621BWLA	ANACHIP	获取价格	Switching Regulator/Controller, Voltage-mode, 310kHz Switching Freq-Max, PDSO5,
AP1623	ANACHIP	获取价格	PWM Control Step-Down Switching Regulator-Converter
AP1623S	ANACHIP	获取价格	PWM Control Step-Down Switching Regulator-Converter
AP1623SA	ANACHIP	获取价格	PWM Control Step-Down Switching Regulator-Converter
AP1623SL	ANACHIP	获取价格	PWM Control Step-Down Switching Regulator-Converter
AP1623SLA	ANACHIP	获取价格	PWM Control Step-Down Switching Regulator-Converter
AP1624	ANACHIP	获取价格	PWM/PFM Dual Mode Step-up DC/DC Controller
AP1624	DIODES	获取价格	PWM/PFM DUAL MODE STEP-UP DC/DC CONTROLLER
AP1624WA	ANACHIP	获取价格	PWM/PFM Dual Mode Step-up DC/DC Controller

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