EL7520ILZ-T7 Intersil, EL7520ILZ-T7 Datasheet - Page 6
![IC CTRLR DC/DC 4-CHAN 20-QFN](/photos/28/16/281691/20-vqfn_r_sml.jpg)
EL7520ILZ-T7
Manufacturer Part Number
EL7520ILZ-T7
Description
IC CTRLR DC/DC 4-CHAN 20-QFN
Manufacturer
Intersil
Type
Step-Up (Boost)r
Datasheet
1.EL7520AILZ-T13.pdf
(18 pages)
Specifications of EL7520ILZ-T7
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