TPS40200DG4 Part Information

Details for TPS40200DG4 by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The TPS40200 is a flexible, non-synchronous controller with a built-in 200-mA driver for P-channel FETs. The circuit operates with inputs up to 52 V with a power-saving feature that turns off driver current once the external FET has been fully turned on. This feature extends the flexibility of the device, allowing it to operate with an input voltage up to 52 V without dissipating excessive power. The circuit operates with voltage-mode feedback and has feed-forward input voltage compensation that responds instantly to input voltage change. The integral 700-mV reference is trimmed to 2%, providing the means to accurately control low voltages. The TPS40200 is available in an 8-pin SOIC and an 8-pin VSON package and supports many of the features of more complex controllers. Clock frequency, soft-start, and overcurrent limits are each easily programmed by a single, external component. The part has undervoltage lockout, and can be easily synchronized to other controllers or a system clock to satisfy sequencing and/or noise-reduction requirements.

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Part Features

  • 200-mA Internal P-channel FET Driver
  • 700 mV 1% Reference Voltage
  • External Synchronization
  • Hiccup Overcurrent Fault Recovery
  • Input Voltage Range 4.5 V to 52 V
  • Output Voltage (700 mV to 90% VIN)
  • Programmable Closed-Loop Soft-Start
  • Programmable Fixed-Frequency (between 35 kHz and 500 kHz) Operation
  • Programmable Short-Circuit Protection
  • Small 8-Pin SOIC (D) and VSON (DRB) Packages
  • Undervoltage Lockout
  • Voltage Feed-Forward Compensation

Part Specifications

Supply Voltage Min 4.5V
Supply Voltage Max 52V
No. of Outputs 1 Output, 1Outputs
Duty Cycle (%) 95%
Controller IC Case Style SOIC
No. of Pins 8Pins
Switching Frequency 500kHz
Topology Buck (Step Down)
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Base Number 40200
Controller Type PWM
Frequency 300kHz
Input Voltage 12V
Operating Temperature Range -40°C to +85°C
Output Current 2.5A
Output Current Max 2.5mA
Output Voltage 46.8V
Output Voltage Max 46V
Primary Input Voltage 52V
Supply Voltage Range 4.5V to 52V
Termination Type Surface Mount Device
RoHS Compliant

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