BD8150KVT ROHM Co. Ltd., BD8150KVT Datasheet
BD8150KVT
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BD8150KVT Summary of contents
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... Built-in 4-channel System Power Supply + Gamma Buffer Amp BD8150KVT Description The BD8150KVT is a system power supply IC that offers a 4-channel power supply with 10 gamma correction output channels and VCOM. The DC/DC block can be switched between step-up and step-down and supports both 5V and 12V input. Features ...
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Electrical Characteristics (Unless otherwise specified, V Parameter [ (1) DC/DC converter controller ERR AMP1 Input bias current Input offset voltage Output source current Output sink current Input voltage range Max. output voltage Min. output voltage Feedback voltage [ ...
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Electrical Characteristics (Unless otherwise specified, V Parameter [ (2) Driver ] Switching frequency Frequency variation [ (2) Detector ] High-side threshold voltage Low-side threshold voltage DET3 min. output voltage DET4 max. output voltage [ (3) Low-dropout regulator] Feedback voltage Input ...
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Electrical Characteristics Curves (Unless otherwise specified 25°C) 10 7.5 -40 ℃ 25 ℃ 125 ℃ Vcc[V] VCC [V] Fig. 1 Total Supply Current 1.27 1.26 1.25 1.24 1.23 -40 0 ...
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... Output current capacity Pinout Diagram GD1 PVCC VCC FB1 IVN1 PG SS1 SS2 UDSEL1 UDSEL2 DTC1 DTC2 CTL4 CTL3 CTL2 CTL1 Fig. 19 BD8150KVT Pin Assignment Diagram and Block Diagram 10 7 0.25 0.5 0.75 1 Vcc [V] Fig. 14 Detector 4 Threshold Voltage 1V 1µs | Fig. 17 Buffer Amp Slew Rate Waveform ...
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Pin Description Pin No. Pin Name 1 DET1 DC/DC detector output 1 2 DET2 DC/DC detector output 2 3 DET3 Charge pump detector output 3 4 DET4 Charge pump detector output 4 5 IN0 Buffer amp 0 input 6 IN1 ...
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This selector switches between the step-up DC/DC and step-down DC/DC. Step-down operation is performed for high input, and step-up operation is performed for low input. •VREF17 A 1.7V reference voltage is output. This is used for the DTC ...
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V Vcc Each output voltage 3 1.25 V SCP Selecting Application Components 1 DC/DC converter block design 1-1 Operating mode determination The step-down, step-up, and inverting switching ...
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Feedback resistance value setting Use the following equation to set the feedback resistance value to achieve stability at the specified output voltage (R1 + R2) × [V] (step-down) Output voltage VO = (R1 + ...
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Selecting Application Components 2) Using external phase compensation When changing the oscillating frequency and values, insert an RC filter circuit between INV and FB. (1) (1/2π√LC) × 0.5 < (2πR1C1) < (1/2π√LC) × 2 (2) ...
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Charge pump design 2-1 Basic circuit operation The charge pump circuit stores a charge in a flying capacitor and then supplies the charge to a post-circuit. There are double charge pumps, triple charge pumps, etc. In this example, the ...
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Regulator Block Design 3-1 Basic operation The voltage at the very top of the gamma correction voltage range is set using an internal low-saturation regulator. The output voltage VREG (pin 30) is set using the resistance division R9 and ...
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... CTL4 DET DET DET DET INITIAL CTL FROM VO1 VO5 10 100 mA Fig. 35 BD8150KVT Application Circuit Diagram •Timing Chart ( Timing Chart (Vcc=5V) CC Initial FROM 12 V OUTPUT (CTL1) FROM 3.3 V OUTPUT (CTL2) FROM 32 V OUTPUT (CTL3) FROM –6 V OUTPUT (CTL4) Fig. 36 Timing Chart ...
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I/O Equivalent Circuit Diagrams 1. DET1 2. DET2 3. DET3 4. DET4 5. IN0 9. IN4 13. IN8 Vcc Vcc 1 kΩ ƒ¶ 1 kΩ ƒ¶ 31. INV5 32. CT REGVcc REGVcc 51 kΩ ...
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Operation Notes 1. Absolute maximum ratings An excess in the absolute maximum ratings, such as supply voltage, temperature range of operating conditions, etc., can break down the devices, thus making impossible to identify breaking mode, such as a short circuit ...
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Thermal Dissipation Curve （2） 1000 800 （1） 700 600 PD 400 200 0 25 Part number explanation ROHM model name Part No. BD8150 TQFP64V TQFP64V <Dimension> 12.0 ± 0.3 10.0 ± 0 ...
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Appendix No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product ...