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reference designTPP00031 | Demoboard TPP00031

3peak incorporated TPP00031 | Demoboard TPP00031

100-V Input, 300-mA Synchronous Step-Down Voltage Regulator

Overview

TopologyBuck Converter
Input voltage4.5-100 V
Output 1100 V / 0.3 A
IC revisionA.1

Description

The TPP00031/2 is a 300-mA output, synchronous, stepdown, switching converter with internal power MOSFETs.The TPP00031/2 series integrates power transistors with internal soft-start and protection features. The constant on-time control scheme helps to improve fast transient response. The TPP00031/2 offers a very compact solution to achieve a 300-mA continuous output current over a wide input supply range, with excellent load and line regulation.The device has an internal low-voltage internal regulator voltage with minimal supply voltage as low as 4.5 V. The internal regulator voltage can be supplied with output voltage via a diode path to further improve efficiency.The TPP00031/2 series has different light load configurations supporting both forced-PWM mode (TPP00031) for fixed switching frequency and pulse-skip mode (TPP00032) to save quiescent current.The device is available in the 8-pin ESOP8, DFN4X4-8, and DFN3X3-8 packages with the support of a wide opera

Features

  • Wide Supply Voltage: 4.5 V to 100 V
  • Advanced Pseudo Fixed-Frequency Constant On-Time Regulation with External Resistor Setting
  • Output Voltage Range: 1.225 V to 100 V
  • Internal Power FET: 0.75 Ω and 0.4 Ω
  • Load Current up to 300 mA
  • 1.2-V Reference Voltage with 2% Accuracy
  • High-Efficiency Synchronous-Mode Operation
  • 100-μA Quiescent Current
  • 5-V Internal Regulator with 30-V Tolerance
  • Internal Fixed 2-ms Soft-Start Timer
  • Light Load Operation Mode
  • Forced PWM Mode (TPP00031)
  • Advanced Pulse Skip Mode (TPP00032)
  • Over-Current Protection with Cycle-by-Cycle Current Limit
  • Output over Voltage Protection
  • Thermal Shutdown
  • Small Outline Package with Exposed Pad ESOP8 / DFN4X4-8 / DFN3X3-8
  • −40°C to 125°C Operation Ambient Temperature Range

Typical applications

  • Telecommunication Applications
  • 12-V, 24-V, 48-V Distributed Power Supply, Power Supply Unit Applications, Isolated Power Supply

More information

Parts approved by 3peak incorporated

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L(µH)
IRP,40K(A)
RDC max.(mΩ)
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7447709680
SPECWE-PD SMT Power Inductor, 68 µH, 3.9 A

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PD SMT Power Inductor
Inductance68 µH
Performance Rated Current3.9 A
DC Resistance89 mΩ
Self Resonant Frequency5.5 MHz
Size1210 
VersionStandard 
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