EL7531IYZ Intersil, EL7531IYZ Datasheet - Page 6
![IC REG 1A STEP DOWN MONO 10-MSOP](/photos/6/58/65824/20-10-msop_sml.jpg)
EL7531IYZ
Manufacturer Part Number
EL7531IYZ
Description
IC REG 1A STEP DOWN MONO 10-MSOP
Manufacturer
Intersil
Type
Step-Down (Buck)r
Datasheet
1.EL7531IYZ.pdf
(11 pages)
Specifications of EL7531IYZ
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
0.8 ~ 5.5 V
Current - Output
1A
Frequency - Switching
1.4MHz
Voltage - Input
2.5 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Rohs Compliant
YES
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EL7531IYZ
Manufacturer:
Intersil
Quantity:
650
Part Number:
EL7531IYZ
Manufacturer:
INTERSIL
Quantity:
20 000
Part Number:
EL7531IYZ-T
Manufacturer:
INTERSIL
Quantity:
20 000
Company:
Part Number:
EL7531IYZ-T13
Manufacturer:
INTERSIL
Quantity:
937
Part Number:
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Manufacturer:
INTERSIL
Quantity:
20 000
Company:
Part Number:
EL7531IYZ-T13(BHAAA)(BP)
Manufacturer:
COSMO
Quantity:
295
Company:
Part Number:
EL7531IYZ-T7
Manufacturer:
Intersil
Quantity:
1 250
Performance Curves and Waveforms
All waveforms are taken at V
noted.
FIGURE 15. PFM STEADY-STATE OPERATION WAVEFORM
FIGURE 17. EXTERNAL SYNCHRONIZATION TO 2MHz
(I
FIGURE 13. START-UP AT I
O
= 100mA)
200µs/DIV
2µs/DIV
0.2µs/DIV
IN
= 3.3V, V
6
O
= 1.8V, I
O
= 1A
O
= 1A with component values shown on page 1 at room ambient temperature, unless otherwise
V
(2V/DIV)
V
(2V/DIV)
PG
I
(0.5A/DIV)
ΔV
(50mV/DIV)
IN
LX
(2V/DIV)
I
(0.5A/DIV)
IN
O
L
I
(0.5A/DIV)
SYNC
(2V/DIV)
LX
(2V/DIV)
L
O
(Continued)
EL7531
FIGURE 16. PWM STEADY-STATE OPERATION (I
FIGURE 18. EXTERNAL SYNCHRONIZATION TO 12MHz
FIGURE 14. ENABLE AND SHUT-DOWN
500µs/DIV
0.5µs/DIV
20ns/DIV
PG
EN
I
(0.5A/DIV)
V
(2V/DIV)
IN
LX
(2V/DIV)
I
(0.5A/DIV)
O
O
L
ΔV
(10mV/DIV)
July 13, 2006
I
(0.5A/DIV)
SYNC
(2V/DIV)
LX
(2V/DIV)
L
= 1A)
O
FN7428.9