5V-to-3.3V, Synchronous, Step-Down
Power-Supply Controller
____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1 (5A configuration), VIN = 5V, oscillator frequency = 300kHz, TA = +25°C, unless otherwise noted.)
1.5A CIRCUIT LOAD-TRANSIENT RESPONSE
1.5A
LOAD CURRENT
0A
3A CIRCUIT LOAD-TRANSIENT RESPONSE
3A
LOAD CURRENT
0A
3.3V OUTPUT
50mV/div
AC-COUPLED
3.3V OUTPUT
50mV/div
AC-COUPLED
200µs/div
200µs/div
5A CIRCUIT LOAD-TRANSIENT RESPONSE
7A CIRCUIT LOAD-TRANSIENT RESPONSE
5A
LOAD CURRENT
0A
7A
LOAD CURRENT
0A
200µs/div
3.3V OUTPUT
50mV/div
AC-COUPLED
200µs/div
3.3V OUTPUT
50mV/div
AC-COUPLED
10A CIRCUIT LOAD-TRANSIENT RESPONSE
10A
LOAD CURRENT
0A
3.3V OUTPUT
50mV/div
AC-COUPLED
200µs/div
4 _______________________________________________________________________________________