MAX1649CSA+ Maxim Integrated Products, MAX1649CSA+ Datasheet - Page 5

• Manufacturer Part Number: MAX1649CSA+
• Description: IC DC/DC CTRLR STPDWN LDO 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1649CSA+

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V, 1.5 ~ 16 V
• Current - Output: 2.5A
• Frequency - Switching: Up to 350kHz
• Voltage - Input: 3 ~ 16 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Output Voltage: 5 V or 1.5 V to 16 V
• Output Current: 2.5 A
• Input Voltage: 3 V to 16 V
• Supply Current: 78 uA
• Switching Frequency: 300 KHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(T
____________________________Typical Operating Characteristics (continued)
A
= +25°C, unless otherwise noted.)
CIRCUIT OF FIGURE 1, I
A: V
B: V+ = 6V TO 16V, 5V/div
OUT
= 5V, 100mV/div, AC-COUPLED
Low-Dropout, Step-Down DC-DC Controllers
LINE-TRANSIENT RESPONSE
_______________________________________________________________________________________
MAX1649
LOAD
5ms/div
5V/3.3V or Adjustable, High-Efficiency,
= 1A
CIRCUIT OF FIGURE 1, V+ = 10V, I
16V
6V
A
B
SHDN RESPONSE TIME
MAX1649
1ms/div
LOAD
= 1A
CIRCUIT OF FIGURE 1, V+ = 10V
A: V
B: I
0V
0V
4V
5V
LOAD
OUTPUT
SHDN
INPUT
OUT
= 5V, 100mV/div, AC-COUPLED
= 30mA TO 1.6A, 1A/div
LOAD-TRANSIENT RESPONSE
MAX1649
200μs/div
0A
1.6A
B
A
5