LTC3722-2_15 Datasheet, PDF (12/28 Pages) Linear Technology – Synchronous Dual Mode Phase Modulated Full Bridge Controllers

LTC3722-1/LTC3722-2
OPERATION
State 1
POWER PULSE 1
V_IN
MA
MC
N:1
MB
MD
MF
L01
L02
+
ME
V_OUT
LOAD
State 2
MA
MB
I_P ≈ I_L01/ N + (V_IN • T_ON) / L_MAG
ACTIVE
TRANSITION
MC
MA
FREEWHEEL
INTERVAL
MC
MD
MB
MD
PRIMARY AND
SECONDARY SHORTED
MF
ME
V_OUT
LOAD
State 3
PASSIVE
TRANSITION
MA
MC
MB
MD
State 4
MA
POWER PULSE 2
MC
MB
MD
MF
ME
V_OUT
LOAD
+
372212 F01
12
For more information www.linear.com/LTC3722
372212fb