TPS65120

Features: • Main Output, V MAIN Adjustable Voltage, 3.0 V to 5.6 V/25 mA Post-Regulated for Low Ripple (5mV PP ) ± 0.8% Typical Accuracy Efficiency up to 83%• Positive Output, V GH Adjustable Voltage up to 20 V/2 mA ± 3% Typical Accuracy• Negative Output, V GL Adjustable V...

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SeekIC No. : 004527206 Detail

TPS65120: Features: • Main Output, V MAIN Adjustable Voltage, 3.0 V to 5.6 V/25 mA Post-Regulated for Low Ripple (5mV PP ) ± 0.8% Typical Accuracy Efficiency up to 83%• Positive Output, V GH ...

floor Price/Ceiling Price

Part Number:
TPS65120
Supply Ability:
5000

Price Break

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

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Upload time: 2025/1/11

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Product Details

Description



Features:

• Main Output, V MAIN
    Adjustable Voltage, 3.0 V to 5.6 V/25 mA
    Post-Regulated for Low Ripple (5mV PP )
    ± 0.8% Typical Accuracy
    Efficiency up to 83%
• Positive Output, V GH
    Adjustable Voltage up to 20 V/2 mA
    ± 3% Typical Accuracy
• Negative Output, V GL
    Adjustable Voltage down to -18 V/2 mA
    ± 3% Typical Accuracy
• Auxiliary 1.8 V/3.3 V Linear Regulator
• Automatic or Programmable Power Sequencing
• Complete 1 mm Component Profile Solution
• 2.5 V to 5.5 V Input Voltage Range
• Output Short Circuit Protected
• 16-Pin QFN Package (3 * 3 * 0,9 mm)



Application

• Small Form Factor a-Si and LTPS TFT LCD
• Cell Phones, Smart Phones
• PDAs, Pocket PCs
• Portable DVD
• Digital-Still Cameras, Camcorders
• Handheld Instruments
• Portable GPS
• Car Navigation Systems



Specifications

 
UNIT
Input voltage (2)
VIN
-0.3 V to +6 V
SWN
Vin - 24 V to Vin +0.3 V
SWP
- 0.3 V to +23 V
Voltage (2)
VGH
- 0.3 V to +21 V
VMAIN, LDOIN, LDOOUT, ENVGL, ENVGH
- 0.3 V to +6V
BOOT
- 0.3 V to +6.2 V
Input voltage at GATE, EN, RUN (2)
-0.3 V to V IN + 0.3 V
Power dissipation
Internally limited
Operating temperature range
-40 ° C to 85 ° C
Maximum operating junction temperature, T J (max)
135 ° C
Storage temperature range
 
65 ° C to 150 ° C
 



Description

The TPS6512x DC-DC converter supplies all three voltages required by amorphous-silicon (a-Si) and low-temperature poly-silicon (LTPS) TFT-LCD displays. The compact layout of the TPS6512x uses a single inductor to generate independently-regulated positive and negative outputs. A free-running variable peak current PWM control scheme time-multiplexes the inductor between outputs. This control architecture operates at a pseudo-fixed-frequency to provide fast response to line and load transients while maintaining a relatively constant switching frequency and high efficiency over a wide range of input and output voltages. Due to the high switching frequency capability of the TPS6512x, inexpensive and ultra-thin 8.2 or 10 µ H inductors can be used.

The main output, V MAIN , is post-regulated to provide a low-ripple source drive voltage for the LCD display. The auxiliary outputs generate a boosted output voltage, V GH , up to 20 V, and a negative output voltage, V GL , down to -18 V for the LCD gate drive. The TPS6512x has internal current limiting for high reliability under fault conditions. Additionally, the device offers a fixed output linear regulator for the LCD logic circuitry.




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