Datasheet

MAX1960/MAX1961/MAX1962
2.35V to 5.5V, 0.5% Accurate, 1MHz PWM
Step-Down Controllers with Voltage Margining
8 _______________________________________________________________________________________
7.5A TO 15A TO 7.5A LOAD TRANSIENT
MAX1960 toc16
20µs/div
V
OUT
50mV/div
5A/div
I
LOAD
VOLTAGE-MARGINING STEP RESPONSE
MAX1960 toc17
50µs/div
CTL2
I
IN
CTL1
5V/div
5V/div
200mA/div
200mV/div
V
OUT
CIRCUIT OF FIGURE 13
STARTUP/SHUTDOWN WAVEFORMS
MAX1960 toc18
1ms/div
I
L
I
IN
10A/div
10A/div
1V/div
V
OUT
MAX1960/MAX1961
SHORT-CIRCUIT WAVEFORMS
MAX1960 toc19
50µs/div
I
L
I
IN
2V/div
20A/div
5A/div
V
OUT
CIRCUIT OF FIGURE 13
MAX1962
SHORT-CIRCUIT WAVEFORMS
MAX1960 toc20
50µs/div
I
L
I
IN
10A/div
10A/div
2V/div
V
OUT
V
IN
= 5V
V
OUT
= 3.3V
SYNC TIMING WAVEFORMS
MAX1960 toc21
200ns/div
DH
MASTER
DL
MASTER
DL
SLAVE
DH
SLAVE
CLKOUT
MASTER/
SYNC
SLAVE
Typical Operating Characteristics (continued)
(Circuit of Figure 9, T
A
= +25°C, unless otherwise noted.)