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Details for LM5023MM-2/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
PWM CONTROLLER CURRENT MODE VSSOP-8
LM5023MM-2/NOPB image

LM5023MM-2/NOPB by Texas Instruments

PWM CONTROLLER CURRENT MODE VSSOP-8
Features
8-Pin VSSOP Package
Create a Custom Design using the LM5023 with
Critical Conduction Mode
Cycle-by-Cycle Overcurrent Protection Maintains Accuracy Over the Universal AC Line
Direct Opto-Coupler Interface
Hiccup Mode for Continuous Overload Protection
Integrated 0.7-A Peak Gate Driver
Leading Edge Blanking of Current Sense Signal
Line-Voltage Feedforward
Maximum Frequency Clamp 130 kHz
OVP Protection by Sensing the Auxiliary Winding
Peak-Current Mode Control
Programmable Soft-Start
Skip-Cycle Mode for Low-Standby Power
Thermal Shutdown
Part Information
LM5023MM-2/NOPB image
RoHS Compliant
Description
The LM5023 is a quasi-resonant pulse width modulated (PWM) controller which contains all of the features needed to implement a highly efficient offline power supply. The LM5023 uses the transformer auxiliary winding for demagnetization detection to ensure critical conduction mode (CrCM) operation. The LM5023 features a hiccup mode for overcurrent protection with an auto restart to reduce the stress on the power components during an overload. A skipcycle mode reduces power consumption at light loads for energy conservation applications (ENERGY STAR®, CEPCP, and so forth). The LM5023 also uses the transformer auxiliary winding for output overvoltage protection (OVP); if an OVP fault is detected the LM5023 latches off the controller.
Specifications
Input Voltage:
-
Output Voltage:
-
Output Current:
-
Supply Voltage Min:
8V
Supply Voltage Max:
14V
Controller IC Case Style:
VSSOP
No. of Pins:
8Pins
Frequency:
130kHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Current Mode PWM Controller 700mA 8-Pin VSSOP T/R Avnet America
Current Mode PWM Controller 700mA 8-Pin VSSOP T/R Avnet Europe