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TPPM0310

Features: · Wide Input Range, 8 V to 30 V· Fixed Frequency Internal Oscillator, 275 kHz· ±3% (Max) Tolerance on Output Over Line and Load Conditions· 300 mA Load Current Capability Over Input Voltage Range· Efficiency Greater Than 86%· Thermal Shutdown and Current Limit Protection· Programmable Sy...

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SeekIC No. : 004526457 Detail

TPPM0310: Features: · Wide Input Range, 8 V to 30 V· Fixed Frequency Internal Oscillator, 275 kHz· ±3% (Max) Tolerance on Output Over Line and Load Conditions· 300 mA Load Current Capability Over Input Voltag...

TPPM0310 Data Sheet

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Part Number:
TPPM0310
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Wide Input Range, 8 V to 30 V
· Fixed Frequency Internal Oscillator, 275 kHz
· ±3% (Max) Tolerance on Output Over Line and Load Conditions
· 300 mA Load Current Capability Over Input Voltage Range
· Efficiency Greater Than 86%
· Thermal Shutdown and Current Limit Protection
· Programmable System Output Voltage (S1 and S2)
· Low Standby Mode Quiescent Current


Specifications

Unregulated input voltage, VIN (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 V
Switch output voltage, VSW (see Notes 1 and 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . 35 V
Enable, Select1, and Select2 voltages, V(ENABLE), V(S1), V(S2) (see Notes 1 and 2) . . . . . . . . . . . . . . . . 6 V
Boost input voltage, V(CB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V
Feedback input voltage, V(FB) (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 V
Continuous power dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TBD W
Electrostatic discharge susceptibility, V(HBMESD)(see Note 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . 2 kV
Operating ambient temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5°C to 70°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Operating junction temperature range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40°C to 150°C
Lead temperature TLEAD), (soldering, 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . 260°C
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltage values are with respect to GND.
2. Absolute negative voltage values on these terminals should not be below 0.5 V.
3. Absolute negative voltage values on these terminals should not be below 1 V.
4. The human body model is a 100-pF capacitor discharged through a 1.5-k resistor into each terminal.


Description

The TPPM0310 is a power distribution and management device designed primarily for either motherboard or PCI card 1394a host applications where the power bus for internal 1394 PHY and/or LINK is required. The TPPM0310 is a switch mode regulated output power source configured for use in 1394a system. The step-down (Buck) regulated voltage is designed for applications that require 5 V with load current 300 mA (see Output Voltage Selection Table). The output switch (VSW) is fully protected by having over-current limit and thermal shutdown features.

The TPPM0310 requires a minimum of external standard filter components to regulate the desired output voltage. This is achieved with an internal oscillator frequency of 250 kHz (typical). The switch mode and associated circuitry provide efficient regulation with a low quiescent current.

In the power up mode, when S1 and S2 are no connects, the device has an internal pullup on both of these inputs (S1 and S2). This ensures the TPPM0310 device and its associated circuitry to regulate the output to 3.3 V. The enable input has an internal pullup to ensure that the device is enabled on power up sequencing. By applying <0.8 V to the ENABLE input, the device is disabled.




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