Datasheet > NIRSP31V

NIRSP31V

更新时间： 2024-04-09 18:59:32

品牌	Logo	应用领域
纳芯微 - NOVOSENSE		变压器隔离技术
页数	文件大小	规格书
17页	1571K
描述
NIRSP31V是具有集成隔离式DC-DC电源的低成本三通道数字隔离器。隔离式DC-DC电源可基于片上变压器提供高达400mW的输出功率。反馈PWM信号由基于NOVOSENSE电容隔离技术的数字隔

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NIRSP31V 数据手册

NIRSP31

Datasheet (EN) 1.1

1. Pin Configuration and Functions

Figure 1.1 18-Pin LGA, Top View

Table1.1 Pin Functions

FUNCTION

PIN NO. SYMBOL

Power enable, When tied to VDDP or floating, the VISO output voltage is active.

When a logic low voltage is applied, the VISO output voltage is shut down.

Logic Output of R2

Logic Input of DE2

Logic Input of D2

GND₁

VDDP

VDDA

VDDL

GND₁

GND₂

Isolator Side 1 Ground, The ground reference for VDDP and VDDA.

Power Supply for Isolator Side 1

Analog Supply for Isolator Side 1, This pin must be connected VDDP.

Side1 I/O logic Power Supply input

Isolator Side 1 Ground, The ground reference for VDDL.

Isolator Side 2 Ground, The ground reference for VISO_IN.

Secondary Supply Voltage Input for Internal Load, This pin must be connected

externally to VISO.

VISO_IN

VISO

GND₂

Secondary Supply Voltage Output Load

Isolator Side 2 Ground, The ground reference for VISO.

Logic Output of D

DE2

Logic Output of DE

Logic Input of R

VISO output voltage select, VISO=5V when SEL pulled up to VISO or floating;

VISO=3.3V when SEL pulled low.

SEL

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