EL7520AILZ-T7 Intersil, EL7520AILZ-T7 Datasheet - Page 5
![IC CTRLR DC/DC 4-CHAN 20-QFN](/photos/28/16/281691/20-vqfn_r_sml.jpg)
EL7520AILZ-T7
Manufacturer Part Number
EL7520AILZ-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 EL7520AILZ-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
OFF
V
LOGIC
ON
V
CDLY
-0.2
-0.4
-0.6
-0.8
-1.2
-1.4
REF
FIGURE 11. EL7520 START-UP SEQUENCE
EN
FIGURE 9. EL7520 START-UP SEQUENCE
-1
0
0
FIGURE 7. V
20
OFF
TIME (10ms/DIV)
40
I
LOAD REGULATION
OUT
TIME (20ms/DIV)
5
(mA)
60
(Continued)
C
80
DLY
C
DLY
=0.1µF
=0.1µF
100
EL7520, EL7520A
V
BOOST-DELAY
V
V
BOOST
V
LOGIC
V
CDLY
V
-0.2
-0.4
-0.6
-0.8
-1.2
REF
FIGURE 10. EL7520 START-UP SEQUENCE
FIGURE 12. EL7520 START-UP SEQUENCE
LOGIC
V
-1
0
V
FIGURE 8. V
OFF
0
ON
100
200
LOGIC
300
I
OUT
LOAD REGULATION
TIME (20ms/DIV)
TIME (20ms/DIV)
(mA)
400
500
C
DLY
600
C
DLY
=0.1µF
=0.1µF
July 12, 2005
700
FN7318.0