MAX1566-MAX1567 Datasheet, PDF (21/35 Pages) Maxim Integrated Products – Six-Channel, High-Efficiency, Digital Camera Power Supplies

Six-Channel, High-Efficiency, Digital
Camera Power Supplies
FB2
CC2
LEVEL SHIFT
R
Q
DL_
REFI
S
SOFT-START
REF
MAX1567
0.85 REF
AUX2 INVERTER
CLK
OSC
FAULT PROTECTION
ENABLE
FB
CC
LEVEL SHIFT
R
Q
DL_
REFI
S
SOFT-START
REF
0.85 REF
MAX1566 (AUX1/AUX2)
MAX1567 (AUX1)
CLK
OSC
IN 1024 CLOCK CYCLES, SOFT-START
RAMPS UP REFI FROM 0V TO V_REF IN
MAX1566/MAX1567 AUX_ BOOST
CONTROLLERS AND RAMPS DOWN
REFI FROM V_REF TO 0V IN
MAX1567 AUX2 INVERTER.
FAULT PROTECTION
ENABLE
Figure 5. AUX Controller Functional Diagram
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