AP3700EZ-G1 datasheet, PDF - EEWORLD Datasheet

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AP3700EZ-G1: Descriptionlow power pwm controller for off-line battery charger; CategoryPower/power management The power supply circuit; File Size199KB，12 Pages; ManufacturerBCD Semi（Diodes）

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AP3700EZ-G1 Overview

low power pwm controller for off-line battery charger

AP3700EZ-G1 Parametric

Parameter Name	Attribute value
Maker	BCD Semi（Diodes）
Parts packaging code	TO-92
package instruction	TO-92,
Contacts	3
Reach Compliance Code	unknown
ECCN code	EAR99
Analog Integrated Circuits - Other Types	BATTERY CHARGE CONTROLLER
control mode	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	4.8 V
Minimum input voltage	4 V
Nominal input voltage	4.5 V
JESD-30 code	O-XBCY-T3
Number of functions	1
Number of terminals	3
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	UNSPECIFIED
encapsulated code	TO-92
Package shape	ROUND
Package form	CYLINDRICAL
Certification status	Not Qualified
surface mount	NO
Switch configuration	SINGLE
Maximum switching frequency	75 kHz
Temperature level	INDUSTRIAL
Terminal form	THROUGH-HOLE
Terminal location	BOTTOM

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Data Sheet

LOW POWER PWM CONTROLLER FOR OFF-LINE BATTERY CHARGER

AP3700E

General Description

The AP3700E 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/0.8A, the maximum standby power is only

0.18Watt.

In normal operation, the AP3700E switches on and off

at a fixed switching frequency of 60 kHz. With a cur-

rent limit capability of 460mA, the AP3700E can

directly drive the emitter of high voltage NPN transis-

tor. When output power falls below a given level, the

IC enters skip cycle mode to reduce power consump-

tion.

The AP3700E also features under-voltage lockout,

over-current and short circuit protections.

The AP3700E is available in TO-92 package.

Features

Current Mode Control with Skip Cycle Capability

Lower Operating Current: 0.45mA

Fixed Switching Frequency: 60 kHz

Frequency Dithering for Low EMI:

±2.5kHz

Under-Voltage Lockout Protection

Over-Current Protection

Internal Short Circuit Protection

Higher Output Voltage at OUT Terminal

Low Total Cost Solution

Applications

Battery Chargers

Off-Line Power Supplies

TO-92

(Buck Packing)

TO-92

(Ammo Packing)

Figure 1. Package Types of AP3700E

May 2008 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

AP3700EZ-G1 Related Products

	AP3700EZ-G1	3700EZ-E1	3700EZ-G1	AP3700E	AP3700EZ-E1
Description	low power pwm controller for off-line battery charger	LOW POWER PWM CONTROLLER FOR OFF-LINE BATTERY CHARGER	LOW POWER PWM CONTROLLER FOR OFF-LINE BATTERY CHARGER	low power pwm controller for off-line battery charger	low power pwm controller for off-line battery charger

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