Datasheet > NTE7222

NTE7222

更新时间： 2023-12-18 00:00:00

品牌	Logo	应用领域
NTE		/
页数	文件大小	规格书
3页	70K
描述
Switching Regulator/Controller,

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技术参数
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NTE7222 技术参数

生命周期：	Active	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.71	Base Number Matches：	1

NTE7222 数据手册

NTE7222

Integrated Circuit

Step−Down Switching Voltage Regultor

Fixed Output

Description:

The NTE7222 regulator is a monolithic integrated circuit in a 5−Lead TO220 type package that

provides all the active functions for a step−down (buck) switching regulator, capable of driving a 3A

load with excellent line and load regulation. This device offers a high−efficiency replacement for popular

three−terminal linear regulators and substantially reduces the size of the heat sink and in some cases,

no heat sink is required.

Features:

D Fixed Output: V_OUT= 5V

D Guaranteed 3A Output Current

D 52kHz Fixed Frequency Internal Oscillator

D TTL Shutdown Capability, Low Power Standby Mode

D High Efficiency

D Thermal Shutdown and Current Limit Protection

Applications:

D Simple High−Efficiency Step−Down (Buck) Regulator

D Efficient Pre−Regulator for Linear Regulators

D On−Card Switching Regulator

D Positive to Negative Converter (Buck−Boost)

Absolute Maximum Ratings: (Note 1)

Maximum Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V

ON/OFF Pin Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3V≤ V ≤ +V_IN

Output Voltage to GND (Steady State) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −1V

Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C

Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65° to +150°C

Minimum ESD Rating (C = 100pF, R = 1.5kΩ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2kV

Lead Temperature (During Soldering, 10 sec Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C

Typical Thermal Resistance, Junction−to−Ambient (Mounted Vertically, No External Heat Sink)

1/2” leads in a socket or PC mounted with minimum copper area . . . . . . . . . . . . . . . 65°C/W

1/4” leads soldered to a PC board containing approx 4 square inches of copper . . 45°C/W

Typical Thermal Resistance, Junction−to−Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2°C/W

Note 1. Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.

Operating Ratings indicate conditions for which the device is intended to be functional, but

do not guarantee specific performance limits. For guaranteed specifications and test conditions,

see the Electrical Characteristics.

12 3

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