MAX8664EVKIT+ Maxim Integrated Products, MAX8664EVKIT+ Datasheet - Page 5

• Manufacturer Part Number: MAX8664EVKIT+
• Description: KIT EVAL FOR MAX8664
• Manufacturer: Maxim Integrated Products

Specifications of MAX8664EVKIT+

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 2, Non-Isolated
• Voltage - Input: 4.5 ~ 28V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: MAX8664
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ENABLE
V
PRWGD
V
V
(Circuit of Figure 2, 600kHz, V
OUT1
OUT2
ENABLE WAVEFORMS (FIGURE 4)
V
V
PRWGD
PRWGD
V
V
V
OUT1
OUT1
OUT2
400μs/div
V
I
I
L1
IN
IN
Controller with Fast Transient Response
_______________________________________________________________________________________
SHORT-CIRCUIT WAVEFORMS
POWER-DOWN WAVEFORMS
IN
MAX8664 toc11
= 12V, V
10μs/div
Low-Cost, Dual-Output, Step-Down
1ms/div
5V/div
1V/div
1V/div
5V/div
OUT1
V
V
LX1
LX2
= 2.5V, V
I
I
L1
L2
Typical Operating Characteristics (continued)
MAX8664 toc14
MAX8664 toc09
OUT2
SWITCHING WAVEFORMS
2V/div
2A/div
5A/div
5V/div
10V/div
2V/div
2V/div
5V/div
= 1.8V, T
2μs/div
A
ENABLE
V
= +25°C, unless otherwise noted.)
PRWGD
V
V
V
V
OUT1
V
OUT1
OUT2
DH1
DL1
I
L1
MAX8664 toc12
ENABLE WAVEFORMS (FIGURE 2)
OVERVOLTAGE PROTECTION
10V/div
5A/div
10V/div
5A/div
20μs/div
1ms/div
605
604
603
602
601
600
599
598
597
596
595
-40
-20
MAX8664 toc15
MAX8664 toc10
FEEDBACK VOLTAGE
vs. TEMPERATURE
0
TEMPERATURE (°C)
10A/div
5V/div
10V/div
10V/div
5V/div
2V/div
2V/div
5V/div
20
40
60
NO LOAD
80
100
5