MAX8576 MAXIM [Maxim Integrated Products], MAX8576 Datasheet - Page 7
MAX8576
Manufacturer Part Number
MAX8576
Description
3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX8576.pdf
(18 pages)
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( T
A
= +25 C, unless otherwise noted.)
V
GS(Q3)
V
V
1.5V
_______________________________________________________________________________________
V
OUT
OUT
V
V
I
V
SS
LX
LX
DL
IN
NONMONOTONIC OUTPUT-VOLTAGE RISE
(CIRCUIT OF FIGURE 2, MAX8577)
3V to 28V Input, Low-Cost, Hysteretic
STARTUP AND SHUTDOWN
(CIRCUIT OF FIGURE 2)
Synchronous Step-Down Controllers
4ms/div
1ms/div
V
V
V
OUT
V
DH
DL
FB
Typical Operating Characteristics (continued)
MAX8576-79 toc15
MAX8576-79 toc17
OUTPUT OVERVOLTAGE PROTECTION
(CIRCUIT OF FIGURE 2)
10V/div
0
0.5V/div
0
10A/div
2V/div
0
0.5V/div
5V/div
0
0
10V/div
20V/div
200 s/div
V
1.5V
V
I
OUT
OUT
V
V
OUT
V
V
I
LX
DL
IN
IN
IN
MAX8576-79 toc19
MONOTONIC OUTPUT-VOLTAGE RISE
(CIRCUIT OF FIGURE 2, MAX8576)
SHORT CIRCUIT AND RECOVERY
(CIRCUIT OF FIGURE 2)
1V/div
0
5V/div
0
0.5V/div
0
20V/div
0
10ms/div
1ms/div
MAX8576-79 toc18
MAX8576-79 toc16
2A/div
0.5V/div
5V/div
0
10V/div
10A/div
2V/div
0
10V/div
20V/div
7