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Details for LM5021MM-1/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM5021MM-1/NOPB
Buy Directly from Texas Instruments (9456 in stock) $0.3500
PWM CONTROLLER CURR-MODE MSOP8 REEL
LM5021MM-1/NOPB image

LM5021MM-1/NOPB by Texas Instruments

PWM CONTROLLER CURR-MODE MSOP8 REEL
Features
Adjustable Soft-Start
Current Mode Control
Cycle-by-Cycle Overcurrent Protection
Direct Opto-Coupler Interface
Hiccup Mode for Continuous Overload Protection
Integrated 0.7-A Peak Gate Driver
Leading Edge Blanking of Current Sense Signal
Maximum Duty Cycle Limiting (80% for LM5021-1 or 50% for LM5021-2)
Packages: VSSOP-8 or PDIP-8
Single Resistor Programmable Oscillator
Skip Cycle Mode for Low Standby Power
Slope Compensation (LM5021-1 Only)
Synchronizable Oscillator
Ultra-low Startup Current (25 u00b5A Maximum)
Undervoltage Lockout (UVLO) with Hysteresis
Part Information
LM5021MM-1/NOPB image
RoHS Compliant
Description
The LM5021 off-line pulse width modulation (PWM) controller contains all of the features needed to implement highly efficient off-line single-ended flyback and forward power converters using currentmode control. The LM5021 features include an ultralow (25 µA) start-up current, which minimizes power losses in the high voltage start-up network. A skip cycle mode reduces power consumption with light loads for energy conserving applications (ENERGY STAR®, CECP, and so forth). Additional features include under-voltage lockout, cycle-by-cycle current limit, hiccup mode overload protection, slope compensation, soft-start and oscillator synchronization capability. This high performance 8pin IC has total propagation delays less than 100 ns and a 1-MHz capable oscillator that is programmed with a single resistor.
Specifications
Input Voltage:
15V
Output Voltage:
600mV
Output Current:
100mA
Supply Voltage Min:
8V
Supply Voltage Max:
30V
Controller IC Case Style:
MSOP
No. of Pins:
8Pins
Frequency:
500kHz
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)
Base Number:
5021
Controller Type:
PWM
Operating Temperature Range:
-40°C to +125°C
Supply Voltage Range:
8V to 30V
Termination Type:
Surface Mount Device
Alternate Descriptions
PWM CONTROLLER, CURR-MODE, MSOP8; Input Voltage:15V; Output Voltage:600mV; Output Current:100mA; Supply Voltage Min:8V; Supply Voltage Max:30V; Controller IC Case Style:MSOP; No. of Pins:8Pins; Frequency:500kHz; Operating TemperatureRoHS Compliant: Yes Newark Electronics
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