el7581 Intersil Corporation, el7581 Datasheet - Page 8

• Manufacturer Part Number: el7581
• Description: 3-channel Dc/dc Converter
• Manufacturer: Intersil Corporation

Typical Performance Curves
20mV/DIV
FIGURE 23. POWER-UP, NO DELAY RC NETWORK ON
0.5A/DIV
2V/DIV
C
V
FIGURE 21. START-UP VOLTAGE AND CURRENT
I
SS
5V/DIV
IN
IN
C
= 0.1µF
I
O
SS
= 15mA, V
ENABLE PINS
= 0.033µF
FIGURE 19. V
OFF
1ms/DIV
= -6V, C
1ms/DIV
2µs/DIV
8
OFF
OFF
10V/DIV
2V/DIV
= 3.3µF
RIPPLE
(Continued)
V
100mA
V
V
BOOST
ON
OFF
EL7581
(100mV/DIV)
FIGURE 24. POWER-DOWN, NO DELAY RC NETWORK ON
FIGURE 20. BOOST CONVERTER TRANSIENT RESPONSE
0.5A/DIV
2V/DIV
C
FIGURE 22. START-UP VOLTAGE AND CURRENT
∆V
V
SS
I
IN
IN
I
O
O
= 0.1µF
C
SS
V
BOOST
ENABLE PINS
= 0.1µF
10V/DIV
5V/DIV
2V/DIV
= 13V, I
200ms/DIV
O
= 100mA to 420mA, C
1mA/DIV
20µs/DIV
BOOST
=
V
V
V
BOOST
ON
OFF