MCP1603-180I/MC Microchip Technology, MCP1603-180I/MC Datasheet - Page 9

• Manufacturer Part Number: MCP1603-180I/MC
• Description: IC SYNC BUCK REG 0.5A 1.8V 8DFN
• Manufacturer: Microchip Technology
• Type: Step-Down (Buck)r

Specifications of MCP1603-180I/MC

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.8V
• Current - Output: 500mA
• Frequency - Switching: 2MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• For Use With: MCP1603RD-TNY - REFERENCE DESIGN FOR MCP1603MCP1603EV - BOARD EVAL BUCK CONV MCP1603
• 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 2-13:
Ambient Temperature.
FIGURE 2-14:
Voltage.
FIGURE 2-15:
Waveform.
© 2007 Microchip Technology Inc.
A
= +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics.
0.65
0.60
0.55
0.50
0.45
0.40
0.35
2.20
2.15
2.10
2.05
2.00
1.95
2.7
-40 -25 -10 5
P-Channel
3.05
3.4
Ambient Temperature (
Switching Frequency vs.
Switch Resistance vs. Input
Output Voltage Startup
Input Voltage (V)
3.75
20 35 50 65 80 95 110 125
4.1
4.45
IN
= SHDN = 3.6V, C
o
4.8
C)
N-Channel
5.15
5.5
OUT
= C
IN
FIGURE 2-16:
Input Voltage.
FIGURE 2-17:
Ambient Temperature.
FIGURE 2-18:
Waveform.
= 4.7 µF, L = 4.7 µH, V
0.9
0.8
0.7
0.6
0.5
0.4
0.3
2.20
2.15
2.10
2.05
2.00
1.95
-40 -25 -10
2.7 3.05
P-Channel
Ambient Temperature (
3.4 3.75 4.1
5
Switching Frequency vs.
Switch Resistance vs.
Heavy Load Switching
OUT
Input Voltage (V)
20 35 50 65 80 95 110 125
(ADJ) = 1.8V, I
MCP1603
4.45 4.8
DS22042A-page 9
o
C)
LOAD
N-Channel
5.15 5.5
= 100 mA,