Datasheet > 3700Z-E1

3700Z-E1

更新时间： 2024-12-01 02:58:47

品牌	Logo	应用领域
BCDSEMI		电池控制器
页数	文件大小	规格书
10页	186K
描述
LOW POWER PWM CONTROLLER FOR OFF-LINE BATTERY CHARGER

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3700Z-E1 数据手册

Data Sheet

LOW POWER PWM CONTROLLER FOR OFF-LINE BATTERY CHARGER

AP3700

General Description

Features

The AP3700 is a green-mode pulse width modulation

(PWM) controller. It is specially designed for low

power applications such as off-line battery chargers,

where the needs for low standby power, space saving

and low cost are all required. In a battery charger rated

5V/1A, the maximum standby power is only 0.18Watt.

Current Mode Control with Skip Cycle Capability

Lower Operating Current: 0.45mA

Fixed Switching Frequency: 60 kHz

Frequency Dither for Low EMI: ±2.5kHz

Under-Voltage Lockout Protection

Over-Current Protection

Internal Short Circuit Protection

Higher Output Breakdown Voltage

In normal operation, the AP3700 switches on and off at

a fixed switching frequency of 60 kHz. With a current

limit capability of 420mA, the AP3700 can directly · Lower Total Cost Solution

drive the emitter of high voltage NPN transistor or the

source of MOSFET. When output power falls below a

given level, the IC enters skip cycle mode to reduce

power consumption.

Applications

Battery Chargers

Off-Line Power Supplies

The AP3700 also features under-voltage lockout, over-

current and short circuit protections.

The AP3700 is available in TO-92 package.

TO-92

Figure 1. Package Types of AP3700

Jan. 2007 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

12 3 4 5 6 7...10

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