MAX8555ETB-T Maxim Integrated Products, MAX8555ETB-T Datasheet - Page 7

• Manufacturer Part Number: MAX8555ETB-T
• Description: MOSFET & Power Driver ICs .5-3.3V ORing MOSFET Controller
• Manufacturer: Maxim Integrated Products

Specifications of MAX8555ETB-T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

(V
+25°C, R1 = 2Ω in Figure 3, MAX8555A, unless otherwise noted.)
DD
Low-Cost, High-Reliability, 0.5V to 3.3V ORing
= 12V, V
AC-COUPLED
AC-COUPLED
I
MOSFET2
I
MOSFET
V
V
V
V
CS+
V
TIMER
FAULT
GATE1
V
V
GATE
V
GATE
V
UVP
CS+
CS-
CS-
SHORT-CIRCUIT SHUTDOWN WAVEFORMS
= 1.5V, R
POWER-UP AND DOWN WAVEFORMS
_______________________________________________________________________________________
UVP SHUTDOWN WAVEFORMS
POWER-SUPPLY OUTPUT
TIMER
USING TIMER
200ns/div
200ns/div
5ms/div
= 25kΩ, V
MAX8555/55A toc08
UVP
MAX8555/55A toc10
MAX8555/55A toc12
= 1V, V
Typical Operating Characteristics (continued)
2V/div
5V/div
1A/div
2V/div
5V/div
100mV/div
2V/div
5V/div
1V/div
100mV/div
200mA/div
OVP
= 0.4V, R
FAULT
AC-COUPLED
= 50kΩ to output bus, C
I
V
MOSFET
V
V
V
FAULT
V
V
FAULT
FAULT
V
V
GATE
V
GATE
MOSFET Controllers
V
GATE
V
OVP
CS-
CS-
CS-
DD
V
DD
OVP SHUTDOWN WAVEFORMS
FAULT SHUTDOWN WAVEFORMS
SHUTDOWN WAVEFORMS
REVERSE-CURRENT
200ns/div
200ns/div
1µs/div
VDD
= C
MAX8555/55A toc11
MAX8555/55A toc13
MAX8555/55A toc09
GATE
= C
2V/div
100mV/div
5V/div
1V/div
1V/div
5V/div
10V/div
1V/div
VL
5V/div
1V/div
100mV/div
0A
-2A
= 0.01µF, T
A
=
7