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IC manufacturers Nexperia

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reference designNXF6505B

Nexperia NXF6505B

Low-noise, 1.2 A transformer driver for isolated power supplies

Overview

TopologyPush-Pull Converter symmetrical isolated
Input voltage3.3 V
Output 13.3 V / 0.5 A
IC revision2.1

Description

The NXF6505B evaluation board enables the evaluation of Nexperia's NXF6505B - a low noise, 1.2 A push-pull transformer driver for isolated power supplies. The EVB can provide the isolated power supply with one positive output voltage. For easy evaluation of this EVB, the test points are added to measure the circuitry voltages.

Features

  • Automotive product qualification in accordance with AEC-Q100 (Grade 1)
  • Specified from -55 °C to +125 °C
  • Push-pull driver for transformers, optimized for low EMI:
  • Slew-rate control output
  • Spread Spectrum Clocking (SSC)
  • Wide input voltage range: 2.25 V to 5.5 V
  • High output drive: 1.2 A at 5 V supply
  • Low RON 0.2 Ω maximum at 5 V supply
  • Internal switching frequency:
  • for NXF6505A-Q100: 160 kHzf-or NXF6505B-Q100: 440 kHz
  • Synchronization of multiple devices with external clock input
  • 2.2 A current limit at 5 V
  • Enable pin to put device in low shutdown current: <1 μA
  • Thermal shutdown protection
  • Soft-start start-up
  • Packages
  • Small 6 pin SOT8061-1 (SC-74; TSOP-6) package
  • Small 6 pin SOT8120-1 (LSOT6) package
  • ESD protection:
  • HBM: ANSI/ESDA/JEDEC JS-001 class 3A exceeds 6000 V
  • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1500 V
  • Functional Safety-capable

Typical applications

  • Medical instruments
  • Isolated power supplies for automotive (AEC-Q100), Isolated power supply for automotive and industrial applications, Low-noise isolated USB supplies, Distributed supplies, Radio supplies
  • Precision instruments, Motor control
  • Battery management system
  • On-board charger

Products

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Order Code
Data­sheet
Downloads
Status
Product series
VIN
VOut1(V (DC))
IOut1(mA)
Type of Insulation
fswitch(kHz)
∫Udt(Vµs)
NPRI : NSEC
L(µH)
VT(V (AC))
L(mm)
W(mm)
H(mm)
Mount
SamplesAvailability & Sample
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750315089
SPECWE-PPTI Push-Pull Transformers, 5 V (DC), 5 V (DC)
Availability
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Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-PPTI Push-Pull Transformers
Input Voltage 5 V (DC)
Output Voltage 15 V (DC)
Output Current 1330 mA
Type of InsulationFunctional 
Switching Frequency 100 - 500
Voltage-µSecond42 Vµs
Turns Ratio1:1 
Inductance635 µH
Insulation Test Voltage2500 V (AC)
Length7 mm
Width9.1 mm
Height7.8 mm
MountSMT 
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