ISL97650ARTZ-T Intersil, ISL97650ARTZ-T Datasheet - Page 7

• Manufacturer Part Number: ISL97650ARTZ-T
• Description: IC LCD SUPPLY HP 4CHN 36-TQFN
• Manufacturer: Intersil

Specifications of ISL97650ARTZ-T

• Applications: LCD TV/Monitor
• Current - Supply: 250µA
• Voltage - Supply: 4 V ~ 14 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 36-TQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Curves
FIGURE 11. BOOST CONVERTER PULSE-SKIPPING MODE
FIGURE 13. TRANSIENT RESPONSE OF BUCK
Ch2 = Io(Buck)(100mA/DIV)
Ch1 = V
Ch1 = LX(buck)(5V/DIV)
Ch2 = Io(Buck)(10mA/DIV)
Ch1 = V
FIGURE 9. BUCK DISCONTINUOUS MODE
WAVEFORM
LOGIC
IN
Ch2 = LX, Ch3 = A
(V
BUCK
)(10mV/DIV)
400ns/DIV
1ms/DIV
7
VDD,
Ch4 = I
(Continued)
INDUCTOR
ISL97650
FIGURE 10. THRESHOLD OF BUCK FROM DC TO CC MODE
FIGURE 12. TRANSIENT RESPONSE OF BOOST
Ch1 = C
R1 = A
Ch1 = A
Ch2 = Io(Boost)(100mA/DIV)
Ch1 = LX(buck)(5V/DIV)
Ch2 = Io(Buck)(10mA/DIV)
VDD
FIGURE 14. START-UP SEQUENCE
DLY
VDD
, R2 = A
, Ch2 = V
(V
BOOST
VDD_DELAY
REF
)(100mV/DIV)
400ns/DIV
, Ch3 = V
1ms/DIV
, R3 = V
LOGIC,
OFF
Ch4 = V
ON
April 17, 2009
FN9198.4