MAX1623EAP+ Maxim Integrated Products, MAX1623EAP+ Datasheet - Page 5

• Manufacturer Part Number: MAX1623EAP+
• Description: IC REG LV SYNC 3A STEPDWN 20SSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1623EAP+

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.1 ~ 3.8 V
• Current - Output: 3A
• Frequency - Switching: Up to 350kHz
• Voltage - Input: 4.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Power - Output: 1.3W
• Output Voltage: 1.1 V to 3.8 V
• Input Voltage: 4.5 V to 5.5 V
• Supply Current: 400 uA
• Switching Frequency: 350 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC-COUPLED
f = 300kHz
(Circuit of Figure 2, T
____________________________ Typical Operating Characteristics (continued)
Synchronous Rectification and Internal Switches
0 to 2A
50mV
V
I
LOAD
OUT
C
A
B
V
WAVEFORM AVERAGED
A: V
B: I
C: V
IN
START-UP AND SHUTDOWN TRANSIENT
IN
= 5V, V
OUT
SHDN
, 1A/div
, 2V/div
LOAD-TRANSIENT RESPONSE
, 5V/div
OUT
3A, Low-Voltage, Step-Down Regulator with
= 3.3V, I
(FBSEL = REF)
_______________________________________________________________________________________
A
20µs/div
1ms/div
LOAD
= +25°C, unless otherwise noted.)
= 3A,
AC-COUPLED
AC-COUPLED
V
I
(20mV/div)
V
OUT
OUT
IN
(1V/div)
to 5.5V
= 4.5V
= 3.3V
= 1.5A
C
A
B
V
WAVEFORM AVERAGED
A: V
B: I
C: V
START-UP AND SHUTDOWN TRANSIENT
IN
IN
= 5V, V
OUT
SHDN
, 1A/div
, 2V/div
, 5V/div
LINE-TRANSIENT RESPONSE
OUT
= 3.3V, I
1ms/div
20µs/div
LOAD
= 2A,
AC-COUPLED
AC-COUPLED
AC-COUPLED
I
OUT
V
(20mV/div)
OUT
f = 300kHz
V
IN
= 100mA
(1V/div)
to 5.5V
0 to 3A
= 4.5V
= 3.3V
50mV
V
I
LOAD
OUT
LOAD-TRANSIENT RESPONSE
LINE-TRANSIENT RESPONSE
(FBSEL = REF)
20µs/div
20µs/div
5