MAX8664EVKIT+ Maxim Integrated Products, MAX8664EVKIT+ Datasheet - Page 4

• 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

Low-Cost, Dual-Output, Step-Down
Controller with Fast Transient Response
(Circuit of Figure 2, 600kHz, V
4
2.55
2.54
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
100
90
80
70
60
50
40
30
20
10
_______________________________________________________________________________________
0
0.1
6
EFFICIENCY vs. LOAD CURRENT
8
(600kHz, FIGURE 2)
(600kHz, FIGURE 2)
10
LINE REGULATION
INPUT VOLTAGE (V)
LOAD CURRENT (A)
V
V
I
V
12
OUT1
OUT2
OUT2
OUT
8A LOAD
1
= 1.8V
NO LOAD
14
V
OTHER REGULATOR
OUT
NO LOAD ON THE
-3A
-3A TO +3A TO -3A (FIGURE 3)
= 2.5V
16
IN
= 12V, V
LOAD TRANSIENT
18
+3A
100μs/div
10
20
OUT1
= 2.5V, V
250
200
150
100
100
50
90
80
70
60
50
40
30
20
10
0
0
-3A
100
0.1
MAX8664 toc07
R
V
OSC/EN12
OUT1
EFFICIENCY vs. LOAD CURRENT
OUT2
= 2.5V
SWITCHING FREQUENCY (kHz)
50mV/div
50mV/div
5A/div
(1MHz, FIGURE 4)
= 1.8V, T
vs. SWITCHING FRQUENCY
400
LOAD CURRENT (A)
V
OUT1
1
= 1.8V
A
Typical Operating Characteristics
V
V
NO LOAD ON OUT2
V
= +25°C, unless otherwise noted.)
IN
VL
700
PRWGD
V
V
OUT1
OUT2
= 3.3V
= 5V
V
IN
1000
10
POWER-UP WAVEFORMS
V
I
OUT2
OUT2
2.55
2.54
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
1ms/div
0
OUT1 LOAD TRANSIENT (FIGURE 2)
I
OUT2
2.5A
= 8A
2
OUT1 LOAD CURRENT (A)
(600kHz, FIGURE 2)
LOAD REGULATION
MAX8664 toc08
4
20μs/div
5A
I
OUT2
I
OUT2
10V/div
2V/div
2V/div
5V/div
6
= 4A
= 0A
8
MAX8664 toc06
2.5A
10
100mV/div
2A/div