el7530 Intersil Corporation, el7530 Datasheet - Page 6
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el7530
Manufacturer Part Number
el7530
Description
Monolithic 600ma Step-down Regulator With Low Quiescent Current
Manufacturer
Intersil Corporation
Datasheet
1.EL7530.pdf
(11 pages)
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Performance Curves and Waveforms
All waveforms are taken at V
otherwise noted.
FIGURE 16. LOAD TRANSIENT RESPONSE (22mA TO 600mA)
FIGURE 12. PFM STEADY-STATE OPERATION WAVEFORM
FIGURE 14. EXTERNAL SYNCHRONIZATION TO 2MHz
(I
O
= 100mA)
100µs/DIV
IN
2µs/DIV
0.2µs/DIV
= 3.3V, V
6
O
= 1.8V, I
O
= 600mA with component values shown on page 1 at room ambient temperature, unless
∆V
(50mV/DIV)
LX
(2V/DIV)
I
(0.5A/DIV)
I
(200mA/DIV)
∆V
(100mV/DIV)
L
O
I
(0.5A/DIV)
SYNC
(2V/DIV)
LX
(2V/DIV)
L
O
O
(Continued)
EL7530
FIGURE 13. PWM STEADY-STATE OPERATION (I
FIGURE 17. PWM LOAD TRANSIENT RESPONSE (30mA TO
FIGURE 15. EXTERNAL SYNCHRONIZATION TO 12MHz
600mA)
50µs/DIV
0.5µs/DIV
20ns/DIV
O
LX
(2V/DIV)
I
(0.5A/DIV)
∆V
(100mV/DIV)
∆V
(10mV/DIV)
I
(200mA/DIV)
L
= 600mA)
I
(0.5A/DIV)
SYNC
(2V/DIV)
LX
(2V/DIV)
O
L
July 12, 2006
O
O
FN7434.6