MCP1612-ADJI/MS Microchip Technology, MCP1612-ADJI/MS Datasheet - Page 7

• Manufacturer Part Number: MCP1612-ADJI/MS
• Description: IC BUCK REG ADJ 1A 1.4MHZ 8MSOP
• Manufacturer: Microchip Technology
• Type: Step-Down (Buck)r

Specifications of MCP1612-ADJI/MS

• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 5 V
• Current - Output: 1A
• Frequency - Switching: 1.4MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Output Voltage: 0.8 V to 5.5 V
• Output Current: 1 A
• Input Voltage: 2.7 V to 5.5 V
• Switching Frequency: 1.4 MHz
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 100 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CURVES (Continued)
Note: Unless otherwise indicated, V
T
FIGURE 2-7:
FIGURE 2-8:
FIGURE 2-9:
© 2005 Microchip Technology Inc.
A
200 mV/DIV
500 mA/DIV
= +25°C. Boldface specifications apply over the T
2.0V/DIV
1.0V/DIV
2.0V/DIV
1.0V/DIV
SHDN
V
V
OUT
V
OUT
V
I
IN
OUT
OUT
Start-up from V
I
OUT
Start-up from SHDN
Power-Up from V
Power-Up from Shutdown.
Load Transient Response.
= 100 mA to 800 mA
1.0 ms/DIV
1.0 ms/DIV
50 µs/DIV
IN
= 0V to 3.3V
V
IN
V
OUT
OUT
V
= V
OUT
IN
= 1.8V
= 1.8V
CC
.
= 1.8V
= V
SHDN
A
range of -40°C to +85°C.
= 3.3V, C
FIGURE 2-10:
FIGURE 2-11:
FIGURE 2-12:
100 mV/DIV
500 mA/DIV
50 mV/DIV
50 mV/DIV
OUT
2.0V/DIV
2.0V/DIV
V
= C
V
V
OUT
I
OUT
V
V
OUT
OUT
IN
IN
IN
Line Step Response, V
Line Step Response, V
= 10 µF, L = 3.3 µH, I
I
OUT
Load Transient Response.
Line Transient Response.
Line Transient Response.
= 100 mA to 800 mA
200 µs/DIV
200 µs/DIV
500 µs/DIV
MCP1612
IN
IN
I
I
OUT
OUT
= 3.0V to 4.0V
= 4.5V to 5.5V
DS21921B-page 7
LOAD
V
V
V
OUT
OUT
OUT
= 800 mA
V
= 800 mA
IN
= 3.3V
= 100 mA,
= 1.8V
= 5.0V
= 3.3V