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The A6985F automotive grade device is a step-down monolithic switching regulator able to deliver up to 0.5 A DC. The output voltage adjustability ranges from 0.85 V to VIN. The 100% duty cycle capability and the wide input voltage range meet the cold crank and load dump specifications for automotive systems. The “Low Consumption Mode” (LCM) is designed for applications active during car parking, so it maximizes the efficiency at light-load with controlled output voltage ripple. The “Low Noise Mode” (LNM) makes the switching frequency constant and minimizes the output voltage ripple overload current range, meeting the low noise application specification like car audio. The output voltage supervisor manages the reset phase for any digital load (μC, FPGA). The RST open collector output can also implement output voltage sequencing during the power-up phase. The synchronous rectification, designed for high efficiency at medium - heavy load, and the high switching frequency capability make the size of the application compact. Pulse by pulse current sensing on both power elements implements an effective constant current protection.
主要特性
- AEC-Q100 qualified
- 0.5 A DC output current
- 4 V to 38 V operating input voltage
- Low consumption mode or low noise mode
- 30 μA IQat light-load (LCM VOUT = 3.3 V)
- 8 μA IQ-SHTDWN
- Fixed output voltage (3.3 V and 5 V) or adjustable from 0.85 V to VIN
- Adjustable fSW (250 kHz - 2 MHz)
- Embedded output voltage supervisor
- Synchronization
- Adjustable soft-start time
- Internal current limiting
- Overvoltage protection
- Output voltage sequencing
- Peak current mode architecture
- RDSON HS = 360 mΩ, RDSON LS = 150 mΩ
- Thermal shutdown
样片和购买
| 产品型号 | 封装 | 包装类型 | 供货状态 | ECCN (US) | Country of Origin | Approximate Price (US$)* / Qty | 从ST订购 | 从分销商订购 |
|---|---|---|---|---|---|---|---|---|
| A6985F3V3TR | HTSSOP16 | Tape And Reel | 批量生产 | EAR99 | MALAYSIA | 3.43 / 1k | 没有经销商，请联系我们的销售办事处 | |
| A6985FTR | HTSSOP16 | Tape And Reel | 批量生产 | EAR99 | MALAYSIA | 3.43 / 1k | 没有经销商，请联系我们的销售办事处 | |
| A6985F | HTSSOP16 | Tube | 批量生产 | EAR99 | MALAYSIA | 3.43 / 1k | 没有经销商，请联系我们的销售办事处 | |
| A6985F5VTR | HTSSOP16 | Tape And Reel | 批量生产 | EAR99 | MALAYSIA | 3.44 / 1k | 立即购买 | 没有经销商，请联系我们的销售办事处 |
| A6985F3V3 | HTSSOP16 | Tube | 批量生产 | EAR99 | MALAYSIA | 3.43 / 1k | 立即购买 | 没有经销商，请联系我们的销售办事处 |
| A6985F5V | HTSSOP16 | Tube | 批量生产 | EAR99 | MALAYSIA | 3.43 / 1k | 没有经销商，请联系我们的销售办事处 |
A6985F3V3TR
封装
HTSSOP16包装类型
Tape And ReelApproximate Price (US$)* / Qty
3.43 / 1kA6985FTR
封装
HTSSOP16包装类型
Tape And ReelApproximate Price (US$)* / Qty
3.43 / 1kA6985F
封装
HTSSOP16包装类型
TubeApproximate Price (US$)* / Qty
3.43 / 1kA6985F5V
封装
HTSSOP16包装类型
TubeApproximate Price (US$)* / Qty
3.43 / 1k精选 视频
评估工具
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图片 产品型号 制造商 描述 
STEVAL-ISA186V1 ST 38 V, 0.5 A synchronous step-down switching regulator evaluation board based on A6985F5V 
STEVAL-ISA187V1 ST 38 V, 0.5 A synchronous step-down switching regulator evaluation board based on A6985F 产品型号38 V, 0.5 A synchronous step-down switching regulator evaluation board based on A6985F5V
38 V, 0.5 A synchronous step-down switching regulator evaluation board based on A6985F
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| 产品型号 | 供货状态 | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| A6985F | 批量生产 | HTSSOP16 | Automotive | Ecopack1 | |
| A6985F3V3 | 批量生产 | HTSSOP16 | Automotive | Ecopack1 | |
| A6985F3V3TR | 批量生产 | HTSSOP16 | Automotive | Ecopack1 | |
| A6985F5V | 批量生产 | HTSSOP16 | Automotive | Ecopack1 (*) | |
| A6985F5VTR | 批量生产 | HTSSOP16 | Automotive | Ecopack1 (*) | |
| A6985FTR | 批量生产 | HTSSOP16 | Automotive | Ecopack1 (*) |
A6985F
Package:
HTSSOP16Material Declaration**:
A6985F3V3
Package:
HTSSOP16Material Declaration**:
A6985F3V3TR
Package:
HTSSOP16Material Declaration**:
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持 。
