ZTP7193SI Datasheet PDF – Step-Down DC/DC Converter

Part Number : ZTP7193SI

Function : 3A, 18V, 500KHz, Synchronous Step-Down DC/DC Converter

Package : SOP-8L(EP) Type

Manufactures : Zilltek Technology


ZTP7193SI datasheet


The ZTP7193SI is a high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to achieve a 3A continuous output current over a wide input supply range, with excellent load and line regulation. The ZTP7193SI has synchronous-mode operation for higher efficiency over the output current-load range.


ZTP7193SI pinout


1. 4.75V to 18V input voltage
2. Output adjustable from 0.923V to 15V
3. Output current up to 3A
4. Integrated 105mΩ / 85mΩ power MOSFET switches
5. Shutdown current 3μA typical
6. Efficiency up to 95%
7. Fixed frequency 500KHz


1. Distributed power systems
2. Networking systems
3. FPGA, DSP, ASIC power supplies
4. Notebook computers
5. Green electronics or appliance


ZTP7193SI Datasheet

ZTP7193SI pdf

AAT1171 Datasheet – 600mA, Voltage-Scaling Step-Down Converter

Part Number : AAT1171

Function : 600mA, Voltage-Scaling Step-Down Converter for RF Power Amplifier

Pacage : TDFN33-12 ( 3x3mm 12-pin )

Manufacturers : Advanced Analogic Technologies

Pinouts :

AAT1171 datasheet

Description :

The AAT1171 SwitchReg dynamically controls the operating voltage of a WCDMA or CDMA power amplifier inside single-cell, 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.


1. VIN Range: 2.7V to 5.5V
2. Variable Output Voltage: 0.6V to 3.6V
3. 600mA Output Current
4. DAC Input: 0.2V to 1.2V
5. High Output Accuracy : ±3%
6. 45µA No Load Quiescent Current
7. Internal Soft Start Limits Startup Current and Output Voltage Overshoot
8. Synchronizable to External 19.8MHz System Clock


1. WCDMA or CDMA PA in Cellular Phones, Smartphones, Feature Phones, etc.
2. Express Card
3. PCMCIA Data Cards

Other data sheets within the file : AAT1171IWP-1-T1, AAT1171IWP-4-T1, AAT1171IWP-5-T1

AAT1171 Datasheet PDF Download

AAT1171 pdf