LTC1922EG-1#PBF

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Analog Devices

SYNCHRONOUS PHASE MODULATED FULL-BRIDGE CONTROLLER

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LTC1922EG-1#PBF

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Analog Devices

SYNCHRONOUS PHASE MODULATED FULL-BRIDGE CONTROLLER

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DocumentsDatasheet R302 Reliability Data

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC1922EG-1#PBF

Clock Sync	True
Control Features	Ramp, Soft Start
Duty Cycle (Max) [Max]	99 %
Frequency - Switching [Max]	1 MHz
Function	Step-Up/Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive, Isolation Capable
Output Phases	1
Output Type	Transistor Driver
Package / Case	20-SSOP
Supplier Device Package	20-SSOP
Synchronous Rectifier	True
Topology	Full-Bridge
Voltage - Supply (Vcc/Vdd) [Max]	10.3 V
Voltage - Supply (Vcc/Vdd) [Min]	3.8 V

LTC1922-1 Series

Synchronous Phase Modulated Full-Bridge Controller

Part	Operating Temperature [Max]	Operating Temperature [Min]	Number of Outputs	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Topology	Frequency - Switching [Max]	Output Configuration	Output Type	Supplier Device Package	Function	Control Features	Duty Cycle (Max) [Max]	Mounting Type	Output Phases	Package / Case
Analog Devices LTC1922IG-1#TRPBF	85 °C	-40 °C	1	3.8 V	10.3 V	Full-Bridge	1 MHz	Isolation Capable Positive	Transistor Driver	20-SSOP	Step-Up/Step-Down	Ramp Soft Start	99 %	Surface Mount	1	20-SSOP
Analog Devices LTC1922EG-1#TRPBF	85 °C	-40 °C	1	3.8 V	10.3 V	Full-Bridge	1 MHz	Isolation Capable Positive	Transistor Driver	20-SSOP	Step-Up/Step-Down	Ramp Soft Start	99 %	Surface Mount	1	20-SSOP
Analog Devices LTC1922EG-1#PBF	85 °C	-40 °C	1	3.8 V	10.3 V	Full-Bridge	1 MHz	Isolation Capable Positive	Transistor Driver	20-SSOP	Step-Up/Step-Down	Ramp Soft Start	99 %	Surface Mount	1	20-SSOP

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 17.15
		10	$ 12.34
		25	$ 11.10
		100	$ 9.72
		250	$ 9.06
		500	$ 8.65
		1000	$ 8.61

Description

General part information

LTC1922-1 Series

The LTC1922-1 phase shift PWM controller provides all of the control and protection functions necessary to implement a high performance, zero voltage switched, phase shift, full-bridge power converter with synchronous rectification. The part is ideal for developing isolated, low voltage, high current outputs from a high voltage input source. The LTC1922-1 combines the benefits of the full-bridge topology with fixed frequency, zero voltage switching operation (ZVS). Adaptive ZVS circuity controls the turn-on signals for each MOSFET independent of internal and external component tolerances for optimal performance.The LTC1922-1 also provides secondary side synchronous rectifier control. The device uses peak current mode control with programmable slope comp and leading edge blanking.The LTC1922-1 features extremely low operating and start-up currents to simplify off-line start-up and bias circuitry. The LTC1922-1 also includes a full range of protection features and is available in 20-pin through hole (N) and surface mount (G) packages.ApplicationsTelecommunications, Infrastructure Power SystemsDistributed Power ArchitecturesServer Power SuppliesHigh Density Power Modules