Description
MM1529 Block Diagram
Vcc-OUT voltage 4.7kΩ VCC R LS Supply transistor RL B Voltage drop detection Rated voltage control Input/output error control
Load connection detection
Load current OUT
ROS1 REF
Load
Rated current control
CS
ROS2 PO1 drive
RCS
PO2 drive
Load detection data transmission photocoupler PC2
Rated voltage rated current control photocoupler PC1
1. Description of Blocks
(1) Input/output error control Controls Tr base current supplied from the CNT pin when load is detected
Features
- (1) (2) (3) (4) (5) (6) Automatic switching between energy-saving mode and normal mode Current consumption (energy-saving mode) 60µA Current consumption (normal mode) 1.7mA Reference voltage (internal/output inversion voltage) 1.250V±25mV Uses two photocouplers to control primary side oscillator. Photocouplers are for rated voltage rated current control and switching between energy-saving and normal modes. Package
SOP-8D.