ISL97650 Intersil Corporation, ISL97650 Datasheet - Page 7

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ISL97650

Manufacturer Part Number
ISL97650
Description
4-Channel Integrated LCD Supply
Manufacturer
Intersil Corporation
Datasheet

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Typical Performance Curves
FIGURE 11. BOOST CONVERTER PULSE-SKIPPING MODE
FIGURE 13. TRANSIENT RESPONSE OF BUCK
Ch2 = Io(Buck)(100mA/DIV)
Ch1 = V
Ch1 = V
WAVEFORM
LOGIC
IN
Ch2 = LX, Ch3 = A
(V
BUCK
)(10mV/DIV)
1ms/DIV
7
VDD,
Ch4 = I
(Continued)
INDUCTOR
ISL97650
FIGURE 12. TRANSIENT RESPONSE OF BOOST
Ch1 = C
R1 = A
Ch1 = A
Ch2 = Io(Boost)(100mA/DIV)
VDD
FIGURE 14. START-UP SEQUENCE
DLY
VDD
, R2 = A
, Ch2 = V
(V
BOOST
VDD_DELAY
REF
)(100mV/DIV)
, Ch3 = V
1ms/DIV
, R3 = V
LOGIC,
OFF
Ch4 = V
November 28, 2006
ON
FN9198.3

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