STEVAL-ISA078V1

NRND
Design Win

基于L6926的高效同步升压稳压器

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概述
样片和购买
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产品概述

描述

The STEVAL-ISA078V1 demonstration board is a high efficiency monolithic synchronous step-down regulator capable of delivering up to 800 mA of continuous output current and of regulating the output voltage from 0.6 V up to VINthanks to the 100% duty cycle operation capability. The input voltage ranges from 2 V to 5.5 V.
The control loop architecture is based on a constant frequency peak current mode, while high efficiency at light loads is achieved by a low consumption functionality.
The very low quiescent current (25 μA) and shutdown current (0.2 μA) means that the device is very suitable for supplying battery-powered equipment like PDAs, hand-held terminals, DSCs (digital still cameras) and cellular phones.
The switching frequency is internally set at 600 kHz, but the device can be externally synchronized up to 1.4 MHz. An internal reference voltage of 0.6 V (typ.) allows the device to regulate a minimum output voltage of the same low value.
The low MOSFET RDS(on)ensures high efficiency at high output current.
Additional beneficial features are: hysteretic UVLO, OVP, constant current short-circuit protection, Power Good and thermal shutdown.
The MSOP8 package allows significant space savings on the board.
  • 所有功能

    • 2 V to 5.5 V battery input range
    • High efficiency: up to 95%
    • Extremely low quiescent current
    • 1 μA max. shutdown supply current
    • 800 mA max. output current
    • Adjustable output voltage from 0.6 V
    • Low dropout operation: up to 100% duty cycle
    • ± 1% output voltage accuracy
    • 600 MHz switching frequency externally synchronizable up to 1.4 MHz
    • Short-circuit protection
    • RoHS compliant

质量与可靠性

产品型号 Marketing Status 封装 等级规格 符合RoHS级别 WEEE Compliant 材料声明**
STEVAL-ISA078V1
NRND
CARD 工业 Ecopack2 -

STEVAL-ISA078V1

Package:

CARD

Material Declaration**:

Marketing Status

NRND

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) 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

样片和购买

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产品型号
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核心产品
供货状态
供应商
ECCN (US)
ECCN (EU)
Country of Origin
Board production status
Budgetary Price (US$)*/Qty
STEVAL-ISA078V1 无法联系到经销商,请联系我们的销售办事处 L6926
NRND
- EAR99 NEC ITALY -

STEVAL-ISA078V1 NRND

ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

产品型号:

STEVAL-ISA078V1

核心产品:

L6926

供应商:

-

ECCN (EU):

NEC

Country of Origin:

ITALY

Board production status:

-

无法联系到经销商,请联系我们的销售办事处
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(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商