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TPPM0125

Features: ` Low Dropout Voltage Regulator, 1.2-V` 150-mA Load Current Capability` Power Okay (POK) Function` Load Independent, Low Ground Current,150-A` Current Limiting` Thermal Shutdown` Low Sleep State Current (Off Mode)` Fast Transient Response` Low Variation Due to Load and Line Regulation` O...

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SeekIC No. : 004526450 Detail

TPPM0125: Features: ` Low Dropout Voltage Regulator, 1.2-V` 150-mA Load Current Capability` Power Okay (POK) Function` Load Independent, Low Ground Current,150-A` Current Limiting` Thermal Shutdown` Low Sleep...

TPPM0125 Data Sheet

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Part Number:
TPPM0125
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

` Low Dropout Voltage Regulator, 1.2-V
` 150-mA Load Current Capability
` Power Okay (POK) Function
` Load Independent, Low Ground Current,150-A
` Current Limiting
` Thermal Shutdown
` Low Sleep State Current (Off Mode)
` Fast Transient Response
` Low Variation Due to Load and Line Regulation
` Output Stable With Low ESR Capacitors
` TTL Logic Controlled Enable Input


Application

· Processor Powerup Sequencing
· Palmtop Computers, Laptops, and Notebooks


Specifications

Main input voltage range, VI (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to 7 V
Enable input voltage range, V(EN) (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V VI
Power okay output voltage range V(POK), (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V VI
Regulated output current limit, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .  . 400 mA
Continuous power dissipation, PD, TA = 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.5 W
Electrostatic discharge susceptibility, V(HBMESD), (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  .  . . . 2 kV
Junction temperature, TJ, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55°C to 150°C
Lead temperature (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 on these terminals should not go below 0.5 V.
3. The human body model is a 100-pF capacitor discharged through a 1.5-k resistor into each terminal. Devices are ESD sensitive.
Handling precautions are recommended.


Description

The TPPM0125 is a low dropout voltage regulator with an output tolerance of ±2% over the operating range. The device is optimized for low noise applications and has a low quiescent current (enable <0.8 V). The device has a low dropout voltage at full load (150 mA). The power okay function monitors the output voltage and indicates when an error occurs in the system (active low). In the event of an output fault such as overcurrent, thermal shutdown, or dropout, the power okay output is pulled low (open drain).

The TPPM0125 has a fast transient response recovery capability in the event of load transition from heavy load to light load. The device also minimizes overshoot during this condition. During power down, the output capacitor and load are de-energized through the internal active shutdown clamp, which is turned on when the device is disabled.

The TPPM0125 requires a small output capacitor for stability with low ESR. An input capacitor is not required unless the bulk ac capacitor is placed away from the device or the power supply is a battery. In this situation, a 1-F capacitor is recommended for the application. Low ESR ceramic capacitors may be used with the device to reduce board space in power applications, a key concern in hand-held wireless devices.




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