Product Information

STEVAL-ISA204V1

STEVAL-ISA204V1 electronic component of STMicroelectronics

Datasheet
Power Management IC Development Tools 100W 5V20A active clamp forward converter based on PM8804 for telecom systems
Manufacturer: STMicroelectronics
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Price (USD)

1: USD 121.176 ea
Line Total: USD 121.18

3 - Global Stock
Ships to you between
Fri. 24 May to Thu. 30 May
MOQ: 1  Multiples: 1
Pack Size: 1

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Ships to you between Fri. 24 May to Thu. 30 May

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STEVAL-ISA204V1
STMicroelectronics

1 : USD 126.023

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Tool Is For Evaluation Of
Input Voltage
Output Voltage
Output Current
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Additional Infomation About Product

STEVAL-ISA204V1 Data brief 100W 5V/20A active clamp forward converter based on PM8804 for telecom systems Features DC-DC forward converter based on PM8804 Input voltage range: 42 56 V DC Switching frequency: 250 kHz Output: Power: 100 W Voltage: 5 V DC Current: up to 20 A Peak efficiency > 94% Open circuit protection RoHS complaint WEEE compliant Description The STEVAL-ISA204V1 evaluation board is designed to demonstrate high efficiency DC-DC conversion, able to output 100 W (5 V/20 A) from 42 to 56 V DC input, which is especially suitable for telecom applications. The power conversion stage is based on an active clamp forward topology managed by a PM8804 PWM controller featuring all the integrated circuitry necessary for a compact and efficient 48 V converter. The highly configurable controller includes a programmable oscillator for switching frequency regulation up to 1 Mhz, adjustable slope compensation, dual complementary low-side drivers with programmable dead Product summary time, programmable soft start, soft turn off and a programmable current sense 100W 5V/20A forward blanking time. STEVAL- converter based on ISA204V1 PM8804 PWM controller PWM peak current mode controller for PoE PM8804 and telecom systems Server & Application Telecom Power DB3958 - Rev 1 - June 2019 www.st.com For further information contact your local STMicroelectronics sales office.STEVAL-ISA204V1 Application overview 1 Application overview The STEVAL-ISA204V1 represents a forward converter application with synchronous rectification for 48 V auxiliary power supplies destined for server and telecommunications equipment. The board can supply an output current up to 20 A. The PM8804 integrates two MOSFET drivers with up to 1 A peak sink current capability. The GAT1 signal drives the main switching MOSFET, while the GAT2 signal controls a P-channel MOSFET referred to PGND in active clamp forward topology. The synchronous rectification stage can be paralleled by mounting two further STL160N4F7 N-channel MOSFETs (Q2 and Q8), which can significantly reduce the operating temperatures of the mounted synchronous rectifier MOSFETs. Figure 1. STEVAL-ISA204V1 block diagram Forward Converter 48V Input Input Filter Active Clamp Synchronous Output Reset Rectification Filter GAT1 N-channel Mosfet Output PWM peak current Load mode controller for PM8804 5V 20A telecom systems GAT2 Adjustable shunt Voltage Reference VCC Feedback Feedback Circuit (TS431AILT) Optocoupler RELATED LINKS Visit the Server & Telecom application page for more information on relevant power supply and conversion strategies DB3958 - Rev 1 page 2/7

HS Compliance

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free

Stmicroelectronics may also be referenced as

C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN

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