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NCV8871BSTGEVB
NCV8871 Automotive Grade
Boost Controller Audio
Amplifier Evaluation Board
User's Manual
Description
The NCV8871BST evaluation board provides an
opportunity to evaluate the NCV887100 in an audio
amplifier power supply type application. The board supplies
an 18 V output with 9 A of output current from as low as a
6 V input. The enable pin can also be used to synchronize the
supply to an external clock.
www.BDTIC.com/ON/
© Semiconductor Components Industries, LLC, 2012
February, 2012 − Rev. 0
Figure 1. NCV8871BSTGEVB Evaluation Board
1
http://onsemi.com
EVAL BOARD USER'S MANUAL
Key Features
•
18 V Output Voltage
•
9 A Output Current
•
Fixed Frequency Operation at 170 kHz
•
Regulates Fully Loaded From as Low as 6 V Input
•
Survives 40 V Load Dump
•
External Clock Synchronization up to 340 kHz
•
Automotive Grade
Publication Order Number:
EVBUM2066/D
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Summary of Contents for ON Semiconductor NCV8871BSTGEVB
- Page 1 Survives 40 V Load Dump supply to an external clock. • External Clock Synchronization up to 340 kHz • Automotive Grade Figure 1. NCV8871BSTGEVB Evaluation Board www.BDTIC.com/ON/ Publication Order Number: © Semiconductor Components Industries, LLC, 2012 February, 2012 − Rev. 0 EVBUM2066/D...
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Page 2: Output Voltage
NCV8871BSTGEVB Table 1. EVALUATION BOARD TERMINAL DESCRIPTIONS Terminal Function Positive dc input voltage. Common dc return. VOUT Dc output voltage. EN/SYNC Dc enable voltage and external clock synchronization. A dc logic low disables the device. Table 2. ABSOLUTE MAXIMUM RATINGS (Voltages are with respect to GND) -
Page 3: Typical Waveforms
NCV8871BSTGEVB TYPICAL WAVEFORMS Figure 2. Normal Operation Figure 3. Gate Drive Falling Edge Figure 4. Gate Drive Rising Edge Figure 5. Synchronization Figure 6. Soft Start with Load www.BDTIC.com/ON/ http://onsemi.com... - Page 4 NCV8871BSTGEVB SCHEMATIC Figure 7. NCV8871BSTGEVB Evaluation Board Schematic www.BDTIC.com/ON/ http://onsemi.com...
- Page 5 NCV8871BSTGEVB PCB Layout Figure 8. Top Layout Figure 9. Bottom Layout www.BDTIC.com/ON/ http://onsemi.com...
- Page 6 NCV8871BSTGEVB Table 4. BILL OF MATERIALS Description Value Toler- Footprint Manufacturer Manufacturer’s Part Substi- RoHS ance Number tution Com- Allowed pliant CAP CER 1UF 16V 1 uF Murata Electronics GRM188R71C105KA12D X7R 0603 North America CAP ELECT 1000UF 1000 FKV_CAP Panasonic ECG EEEFK1H102AM...
- Page 7 PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: N. American Technical Support: 800−282−9855 Toll Free ON Semiconductor Website: www.onsemi.com Literature Distribution Center for ON Semiconductor USA/Canada Order Literature: http://www.onsemi.com/orderlit P.O. Box 5163, Denver, Colorado 80217 USA Europe, Middle East and Africa Technical Support: Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada...
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