MCP1603-ADJI/MC Microchip Technology, MCP1603-ADJI/MC Datasheet - Page 17

• Manufacturer Part Number: MCP1603-ADJI/MC
• Description: IC SYNC BUCK REG .5A ADJ 8-DFN
• Manufacturer: Microchip Technology
• Type: Step-Down (Buck)r

Specifications of MCP1603-ADJI/MC

• Package / Case: 8-DFN
• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 4.5 V
• Current - Output: 500mA
• Frequency - Switching: 2MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Output Voltage: 0.8 V to 4.5 V
• Output Current: 500 mA
• Input Voltage: 2.7 V to 5.5 V
• Switching Frequency: 2 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
• For Use With: MCP1603RD-TNY - REFERENCE DESIGN FOR MCP1603MCP1603EV - BOARD EVAL BUCK CONV MCP1603
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

6.0
l
FIGURE 6-1:
FIGURE 6-2:
FIGURE 6-3:
© 2007 Microchip Technology Inc.
TYPICAL APPLICATION CIRCUITS
5.0V
V
IN
4.7 µF
3.0V To 4.2V
2.7V To 4.5V
C
Single Li-Ion to 1.5V @ 500 mA Application.
5V to 1.0V @ 500 mA Application.
3 NiMH Batteries to 1.2V @ 500 mA Application.9
IN
V
V
IN
IN
4.7 µF
4.7 µF
C
C
IN
IN
V
SHDN
IN
GND
V
L
FB
X
V
SHDN
V
SHDN
IN
IN
200 kΩ
787 kΩ
4.7 µH
GND
GND
R
R
L
1
TOP
BOT
V
V
L
L
FB
FB
X
X
4.99 kΩ
R
COMP
4.7 µH
4.7 µH
L
L
1
1
C
33 pF
COMP
C
4.7 µF
C
4.7 µF
OUT
OUT
C
4.7 µF
OUT
V
1.5V @ 500 mA
V
1.2V @ 500 mA
V
1.0V @ 500 mA
OUT
OUT
OUT
MCP1603
DS22042A-page 17