Owner manual

XXXX
MAX5927toc19
V
INW
2V/div
0V
V
ONW
2V/div
0V
5V/div
0V
4ms/div
V
GATEX
V
GATEW
V
PWRRDY
TURN-OFF IN
VOLTAGE-TRACKING MODE
XXXX
MAX5927toc20
V
INW
2V/div
V
ONW
2V/div
0V
5V/div
4ms/div
V
GATEX
V
GATEW
TURN-ON IN
POWER-SEQUENCING MODE
V
PWRRDY
0V
0V
XXXX
MAX5927toc21
V
INW
2V/div
V
ONW
2V/div
5V/div
0V
0V
0V
4ms/div
V
GATEX
V
GATEW
TURN-OFF IN
POWER-SEQUENCING MODE
V
PWRRDY
MAX5927/MAX5929
Low-Voltage, Quad, Hot-Swap
Controllers/Power Sequencers
_______________________________________________________________________________________ 7
XXXX
MAX5927toc22
V
INW
2V/div
0V
V
ONW
2V/div
0V
5V/div
0V
4ms/div
TURN-ON IN
INDEPENDENT MODE
V
GATEX
V
GATEW
XXXX
MAX5927toc23
V
INW
2V/div
0V
V
ONW
2V/div
5V/div
0V
4ms/div
TURN-OFF IN
INDEPENDENT MODE
V
PWRRDY
V
GATEX
V
GATEW
0V
0
10
30
20
40
50
STRONG GATE DISCHARGE CURRENT
vs. OVERDRIVE
MAX5927 toc24
V
IN
_
- V
SENSE
_
(mV)
GATE DISCHARGE CURRENT (mA)
20 3525
30 45
40 50
V
INW
= 5V
V
INW
= 2.7V
V
ONW
= V
IN
V
GATE
= 5V
AFTER STARTUP
V
INW
= 12V
Typical Operating Characteristics (continued)
(Typical Operating Circuits, Q1 = Q2 = Q3 = Q4 = Fairchild FDB7090L, V
IN1
= 12V, V
IN2
= 5.0V, V
IN3
= 3.3V, V
IN4
= 1.0V, T
A
=
+25°C, unless otherwise noted. Channels 1 through 4 are identical in performance. Where characteristics are interchangeable,
channels 1 through 4 are referred to as W, X, Y, and Z.)