EL7566DRE-EVAL Intersil, EL7566DRE-EVAL Datasheet - Page 8

• Manufacturer Part Number: EL7566DRE-EVAL
• Description: DEMO BOARD FOR EL7566
• Manufacturer: Intersil

Specifications of EL7566DRE-EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 6A
• Voltage - Input: 3 ~ 6V
• Regulator Topology: Buck
• Frequency - Switching: 500kHz
• Board Type: Fully Populated
• Utilized Ic / Part: EL7566
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

Waveforms
V
IN
= V
D
= 5V, V
FIGURE 16. VOLTAGE MARGINING
O
= 2.5V, I
FIGURE 14. SHUT-DOWN
FIGURE 12. START-UP
0.5ms/DIV
50µs/DIV
1ms/DIV
O
= 6A, f
8
S
= 500kHz, L = 2.7µH, C
TM
SEL
ΔV
V
I
V
V
I
V
PG
IN
IN
EN
O
IN
O
O
(2A/DIV)
(2V/DIV)
(2A/DIV)
(2V/DIV)
(5V/DIV)
(200mV/DIV)
IN
= 100µF, C
EL7566
OUT
= 150µF, T
FIGURE 17. OVERVOLTAGE SHUT-DOWN
FIGURE 13. STEADY-STATE OPERATION
A
FIGURE 15. TRANSIENT RESPONSE
= 25°C unless otherwise noted.
1µs/DIV
100µs/DIV
0.5ms/DIV
ΔV
I
V
ΔV
L
LX
4.5A
I
1.5A
ΔV
PG
V
V
(2A/DIV)
O
IN
O
O
LX
(5V/DIV)
O
(50mV/DIV)
(200mV/DIV)
(2V/dIv)
(5V/DIV)
(100mV/DIV)
May 8, 2006
FN7102.7