LM5046MH Semiconductors - ICs by Texas Instruments

CTLR FULL BRIDGE PWM 28TSSOP

Electronic & Electrical Components>Semiconductors - ICs>Power Management
Status: Unknown
Series: -
RoHS: Unknown
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The LM5046 PWM controller contains all of the features necessary to implement a phase-shifted fullbridge topology power converter using either current mode or voltage mode control. This device is intended to operate on the primary side of an isolated DC-DC converter with input voltage up to 100 V. This highly integrated controller-driver provides dual 2-A high- and low-side gate drivers for the four external bridge MOSFETs, plus control signals for the secondary-side synchronous rectifier MOSFETs. External resistors program the dead-time to enable zero-volt switching of the primary FETs. Intelligent startup of the synchronous rectifiers allows monotonic turnon of the power converter even with prebias load conditions. Additional features include cycle-by-cycle current limiting, hiccup mode restart, programmable soft-start, synchronous rectifier soft-start, and a 2MHz capable oscillator with synchronization capability and thermal shutdown.

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Specifications

Input Voltage 100V
Output Voltage -
Output Current -
Supply Voltage Min 12.5V
Supply Voltage Max 30V
Controller IC Case Style TSSOP
No. of Pins 28Pins
Frequency 2MHz
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)
Operating Temperature Range -40°C to +125°C
Supply Voltage Range ± 12.5V to ± 30V

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