MAX8505 MAXIM [Maxim Integrated Products], MAX8505 Datasheet - Page 8

• Manufacturer Part Number: MAX8505
• Description: 3A, 1MHz, 1% Accurate, Internal Switch Step-Down Regulator with Power-OK
• Manufacturer: MAXIM [Maxim Integrated Products]

3A, 1MHz, 1% Accurate, Internal Switch
Step-Down Regulator with Power-OK
8
(Typical values are at V
_______________________________________________________________________________________
(V
IN
= 3.3V, V
SOFT-START/SHUTDOWN WAVEFORM
(V
OUT
TRANSIENT RESPONSE
IN
= 1.2V, I
= 3.3V, V
IN
400µs/div
40µs/div
= V
OUT
OUT
CC
= 3A, C
= 1.2V)
= V
CTL
REF
MAX8505 toc14
MAX8505 toc16
= 5V, V
= 0.068µF)
V
500mV/div
V
5V/div
INPUT CURRENT
1A/div
V
5V/div
OUTPUT VOLTAGE
AC-COUPLED
100mV/div
2.25A
0.75A
0
OUT
CTRL
POK
OUT
Typical Operating Characteristics (continued)
OUTPUT
CURRENT
1A/div
= 1.2V, I
OUT
= 3A, and T
A
TRANSIENT RESPONSE DURING SOFT-START
= +25°C, unless otherwise noted.)
(V
IN
= 5V, V
SWITCHING WAVEFORM
OUT
100µs/div
200ns/div
= 1.2V, I
OUT
= 2.5A)
MAX8505 toc17
MAX8505 toc15
V
100mV/div
I
2A/div
V
2V/div
INDUCTOR CURRENT
AC-COUPLED
2A/div
V
AC-COUPLED
20mV/div
OUT
OUT
LX
OUT