EL7534EVAL1 Intersil, EL7534EVAL1 Datasheet - Page 5

• Manufacturer Part Number: EL7534EVAL1
• Description: EVALUATION BOARD FOR EL7534
• Manufacturer: Intersil

Specifications of EL7534EVAL1

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 600mA
• Voltage - Input: 2.5 ~ 5.5V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: EL7534
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Frequency - Switching: -

Performance Curves and Waveforms
All waveforms are taken at V
otherwise noted.
FIGURE 9. POR FUNCTION
FIGURE 7. START-UP 1
0.5ms/DIV
IN
50ms/DIV
= 3.3V, V
5
O
= 1.8V, I
O
= 600mA with component values shown on page 1 at room ambient temperature, unless
V
(1V/DIV)
I
(0.5A/DIV)
V
(1V/DIV)
RSI
(2V/DIV)
V
(2V/DIV)
V
(2V/DIV)
POR
(2V/DIV)
IN
IN
O
IN
O
FIGURE 11. STEADY-STATE
(Continued)
EL7534
1µs/DIV
FIGURE 10. TRANSIENT RESPONSE (100mA to 500mA)
∆V
(100mV/DIV)
i
(0.5A/DIV)
V
(2V/DIV)
∆V
(10mV/DIV)
L
FIGURE 8. START-UP 2
LX
IN
O
50µs/DIV
50ms/DIV
∆V
(50mV/DIV)
I
(200mA/DIV)
O
V
(2V/DIV)
V
(2V/DIV)
POR
(2V/DIV)
O
July 12, 2006
IN
O
FN7431.8