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4128D PDF Datasheet – 200V, 5A, NPN Transistor

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Part Number: 4128D

Function: 200V, 5A, NPN Transistor

Package: TO-126 Type

Manufacturer: Unisonic Technologies

Images:4128D pdf pinout

Description

The UTC 4128D is a middling voltage NPN power transistor. it uses UTC’s advanced technology to provide customers with high switching speed and high reliability, etc. The UTC 4128D is suitable for commonly power amplifier circuit, electronic ballasts and energy-saving light etc.

Features

1. High switching speed

2.  High reliability

Characteristics

4128D datasheet transistor

Absolute maximum ratings ( Ta=25°C )

1. Collector to Emitter Voltage: Vceo = 200 V

2. Emitter to Base Voltage: Vebo = 7 V

3. Collector Current: Ic = 5 A

4. Collector Dissipation : Pc = 40 W

5. Junction Temperature: Tj = 150°C

6. Storage Temperature: Tsg = -55 ~ +150°C

 

4128D PDF Datasheet

AAT1171 PDF – Voltage-Scaling Step-Down Converter

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Part Number: AAT1171

Function: Voltage-Scaling Step-Down Converter

Package: TDFN33-12 Pin Type

Manufacturer: AAT

Images:AAT1171 pdf converter

Description

The AAT1171 SwitchReg, a member of AnalogicTech’s Total Power Management IC™ (TPMIC™) product family, has been specifically designed to dynamically control the operating voltage of a WCDMA or CDMA power amplifier inside single lithium-ion battery-powered systems. The AAT1171 outputs a voltage between 0.6V and 3.6V, thereby optimizing the amplifier efficiency at both low and high transmit levels.

Features

• VIN Range: 2.7V to 5.5V

• Variable Output Voltage: 0.6V to 3.6V

• 600mA Output Current

• DAC Input: 0.2V to 1.2V

• High Output Accuracy: ±3%

• 45µA No Load Quiescent Current

• Internal Soft Start Limits Startup Current and Output Voltage Overshoot

• Synchronizable to External 19.8MHz System Clock

• Over-Temperature and Current Limit Protection

• Integrated 85mΩ Bypass MOSFET

• 2MHz Operation

• PWM/LL Control with Override

Pinouts:
AAT1171 pinout datasheet

 

Applications:

• WCDMA or CDMA PA in Cellular Phones, Smartphones, Feature Phones, etc.

• Express Card

• PCMCIA Data Cards

AAT1171 PDF Datasheet

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