MCP1640-I/MC Microchip Technology, MCP1640-I/MC Datasheet - Page 8

• Manufacturer Part Number: MCP1640-I/MC
• Description: IC CONV DC-DC STEPUP SYNC 8DFN
• Manufacturer: Microchip Technology
• Type: Step-Up (Boost)r

Specifications of MCP1640-I/MC

• Package / Case: 8-DFN
• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 2 ~ 5.5 V
• Current - Output: 100mA
• Frequency - Switching: 500kHz
• Voltage - Input: 0.8 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Mounting Style: SMD/SMT
• Duty Cycle (max): 90 %
• Efficiency: 96 %
• Input / Supply Voltage (max): 0.8 V
• Input / Supply Voltage (min): 0.65 V
• Load Regulation: 0.01 %
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Output Current: 350 mA
• Output Voltage: 5 V
• Switching Frequency: 500 KHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MCP1640/B/C/D
Note: Unless otherwise indicated,
FIGURE 2-19:
FIGURE 2-20:
V
FIGURE 2-21:
Transient Waveforms.
DS22234A-page 8
ENABLE
.
3.3V Start-up After Enable.
3.3V Start-up when V
MCP1640 3.3V V
V
IN
= EN = 1.2V, C
OUT
IN
Load
=
OUT
= C
IN
= 10 µF, L = 4.7 µH, V
FIGURE 2-22:
Transient Waveforms.
FIGURE 2-23:
Transient Waveforms.
FIGURE 2-24:
Waveforms.
OUT
= 3.3V, I
MCP1640B 3.3V V
MCP1640B 2.0V V
3.3V V
 2010 Microchip Technology Inc.
LOAD
OUT
= 15 mA, T
Line Transient
A
OUT
OUT
= +25°C.
Load
Load