PROMO STMICROELECTRONICS STEVAL-ISA205V1 EVAL BOARD SYNC BUCK REGULATOR

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STMicroelectronics STEVAL-ISA205V1 EVAL BOARD SYNC BUCK REGULATOR
Evaluation board is based on the synchronous stepdown switching regulator A6986H that can deliver up to 2A and withstand cold cranking across 100% duty cycle which along with its wide input operating voltage range, render the A6986H the ideal choice for battery powered automotive systems. Synchronous rectification helps to achieve higher efficiency at full load as well as application compactness, while high-frequency switching (programmable up to 2MHz) helps to cut power passive costs and size, while staying outside of the AM band. The device can operate in a Low Consumption Mode (LCM) with a quiescent current down to 30µA at VIN = 12V and VOUT = 3.3V, hence assuring high efficiency at light loads, as required in typical car body applications that are active during car parking. A low noise mode (LNM) is also available to meet the requirements of infotainment applications of forced PWM mode in all loading conditions.
- AECQ100 qualification
- 4V to 38V operating input voltage
- Low consumption mode or low noise mode
- Programmable ISKIP current
- 30μA IQ at light load (LCM VIN = 12V and VOUT = 3.3V), 8μA IQ-SHTDWN
- Adjustable fSW (250KHz - 2MHz), output voltage adjustable from 0.85V to VIN
- Embedded output voltage supervisor, synchronization (in all fSW range)
- Adjustable soft-start time, internal current limiting
- Overvoltage protection, peak current mode architecture
- RDS(on)HS = 180mohm; RDS(on)LS = 150mohm, thermal shutdown
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