EL7520AILZ-T13 Intersil, EL7520AILZ-T13 Datasheet - Page 6

• Manufacturer Part Number: EL7520AILZ-T13
• Description: IC CTRLR DC/DC 4-CHAN 20-QFN
• Manufacturer: Intersil
• Type: Step-Up (Boost)r

Specifications of EL7520AILZ-T13

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 4
• Current - Output: 40mA
• Frequency - Switching: 1MHz
• Voltage - Input: 3 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Power - Output: -

Typical Performance Curves
V
V
BOOST
LOGIC
V
V
V
V
LOGIC
OFF
V
FIGURE 13. EL7520A START-UP SEQUENCE
FIGURE 15. EL7520A START-UP SEQUENCE
CDLY
ON
REF
EN
TIME (20ms/DIV)
TIME (20ms/DIV)
6
FIGURE 17. LX WAVEFORM-DISCONTINUOUS MODE
C
DLY
(Continued)
=0.1µF
C
DLY
=0.1µF
EL7520, EL7520A
0.5µs/DIV
V
BOOST-DELAY
V
V
BOOST
V
LOGIC
V
CDLY
V
REF
FIGURE 14. EL7520A START-UP SEQUENCE
FIGURE 16. EL7520A START-UP SEQUENCE
LOGIC
V
V
OFF
ON
TIME (20ms/DIV)
TIME (20ms/DIV)
C
DLY
C
DLY
=0.1µF
=0.1µF
July 12, 2005
FN7318.0