MAX1808EUB+ Maxim Integrated, MAX1808EUB+ Datasheet - Page 6

• Manufacturer Part Number: MAX1808EUB+
• Description: Current & Power Monitors & Regulators
• Manufacturer: Maxim Integrated

Low-Cost, Small, 4.5V to 28V Wide Operating
Range, DC-DC Synchronous Buck Controller
MAX15026
(V
6
70
60
50
40
30
20
10
IN
0
-40
= 12V, T
0V OUTPUT
STARTUP AND DISABLE FROM EN
LIM REFERENCE CURRENT
-15
A
STARTUP RISE TIME
vs. TEMPERATURE
= +25°C. The following TOCs are for MAX15026B/C/D, unless otherwise noted.) (See the circuit of Figure 5.)
TEMPERATURE (°C)
(MAX15026C/D)
(R
LOAD
10
4ms/div
1ms/div
= 1.5Ω)
35
60
MAX15026 toc13
MAX15026 toc16
85
PGOOD
5V/div
V
5V/div
V
1V/div
V
5V/div
V
1V/div
OUT
IN
IN
OUT
-0.1
-0.2
-0.3
-0.4
0.2
0.1
0
Typical Operating Characteristics (continued)
0
PREBIAS AT NO LOAD (MAX15026C/D)
THRESHOLDS vs. RESISTANCE (R
SINK AND SOURCE CURRENT-LIMIT
0.5V OUTPUT PREBIAS
10
SOFT-START WITH 0.5V
STARTUP RISE TIME
20
RESISTANCE (kΩ)
(MAX15026B)
30
1ms/div
1ms/div
SOURCE CURRENT-LIMIT
SINK CURRENT-LIMIT
40
50
MAX15026 toc14
MAX15026 toc17
60
ILIM
)
70
V
5V/div
V
1V/div
V
5V/div
V
1V/div
IN
OUT
IN
OUT
200mV/div
V
V
I
I
OUT
OUT
OUT
OUT
OUTPUT SHORT-CIRCUIT BEHAVIOR MONITOR
OUTPUT VOLTAGE AND CURRENT
POWER-DOWN FALL TIME
LOAD TRANSIENT ON OUT
400µs/div
4ms/div
4ms/div
Maxim Integrated
MAX15026 toc15
MAX15026 toc12
MAX15026 toc18
V
5V/div
V
1V/div
AC-COUPLED
10A
1A
500mV/div
20A/div
0
0
IN
OUT