ARD00386 Microchip Technology, ARD00386 Datasheet - Page 10
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ARD00386
Manufacturer Part Number
ARD00386
Description
Power Management Modules MCP1640 12V 50mA Boost Converter
Manufacturer
Microchip Technology
Datasheet
1.ARD00386.pdf
(26 pages)
Specifications of ARD00386
Product
DC-DC Converters / Regulators
Input Voltage Max
5 V
Switching Frequency
500 kHz
Output Voltage
12 V
Output Current
50 mA
Input Voltage Min
2 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ARD00386
Manufacturer:
MICROCHIP
Quantity:
12 000
MCP1640 12V/50 mA Two Cells Input Boost Converter Reference Design
DS51999A-page 10
1.2.1
• Up to 96% Typical Efficiency
• 800 mA Typical Peak Input Current Limit:
• Low Start-up Voltage: 0.65V, typical 3.3V V
• Low Operating Input Voltage: 0.35V, typical 3.3V
• Adjustable Output Voltage Range: 2.0V to 5.5V
• Maximum Input Voltage ≤ V
• Automatic PFM/PWM Operation (MCP1640/C):
• Low Device Quiescent Current: 19 µA, typical PFM mode
• Internal Synchronous Rectifier
• Internal Compensation
• Inrush Current Limiting and Internal Soft-Start
• Selectable, Logic Controlled, Shutdown States:
• Shutdown Current (All States): < 1 µA
• Low Noise, Anti-Ringing Control
• Overtemperature Protection
FIGURE 1-1:
- I
- I
- I
- PFM Operation Disabled (MCP1640B/D)
- PWM Operation: 500 kHz
- True Load Disconnect Option (MCP1640/B)
- Input to Output Bypass Option (MCP1640C/D)
OUT
OUT
OUT
> 100 mA @ 1.2V V
> 350 mA @ 2.4V V
> 350 mA @ 3.3V V
MCP1640 Key Features
1.5V
V
+
-
IN
4.7 µF
C
Typical MCP1640 Single Cell Input Boost Converter.
IN
IN
IN
IN,
, 3.3V V
, 3.3V V
OUT
4.7 µH
5.0V V
L
1
V
EN
< 5.5V
IN
SW
GND
OUT
OUT
OUT
V
OUT
V
OUT
FB
@ 1 mA
OUT
@ 1 mA
309 KΩ
536 KΩ
© 2011 Microchip Technology Inc.
3.3V @ 100 mA
V
OUT
10 µF
C
OUT