MAX639CSA Maxim Integrated Products, MAX639CSA Datasheet - Page 6

• Manufacturer Part Number: MAX639CSA
• Description: IC CONV DC/DC 5V STEP DOWN 8SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX639CSA

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V, 1.3 ~ 11.5 V
• Current - Output: 225mA
• Voltage - Input: 4 ~ 11.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Frequency - Switching: -

5V/3.3V/3V/Adjustable, High-Efficiency,
Low I
6
(Circuit of Figure 3, internal feedback, L = 100µH, T
_____________________________Typical Operating Characteristics (continued)
_______________________________________________________________________________________
A: V
B: V
V
A: I
B: V
V
OUT
IN
IN,
OUT
= 5V, V
LOAD,
OUT
= 3V, I
4V TO 8V, 2V/div
, 100mV/div
Q
, 100mV/div, AC COUPLED
0mA TO 100mA, 50mA/div
OUT
LOAD
, Step-Down DC-DC Converters
LINE-TRANSIENT RESPONSE
LOAD-TRANSIENT RESPONSE
= 3V
= 100mA
MAX653
MAX653
10ms/div
1ms/div
A
= +25°C, unless otherwise noted.)
B
A
B
A
A: I
B: V
V
A: V
B: V
V
IN
OUT
LOAD,
= 9V, V
OUT
IN,
OUT
= 5V, I
6V TO 11.5V, 2V/div
, 100mV/div, AC COUPLED
, 100mV/div
0mA TO 200mA, 100mA/div
OUT
LOAD
LOAD-TRANSIENT RESPONSE
LINE-TRANSIENT RESPONSE
= 5V
= 100mA
MAX639
10ms/div
MAX639
1ms/div
B
A
B
A