MCP1631-E/ML Microchip Technology, MCP1631-E/ML Datasheet - Page 9

• Manufacturer Part Number: MCP1631-E/ML
• Description: IC,SMPS CONTROLLER,CURRENT-MODE,LLCC,20PIN,PLASTIC
• Manufacturer: Microchip Technology

Specifications of MCP1631-E/ML

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 2MHz
• Duty Cycle: 10%
• Voltage - Supply: 3 V ~ 5.5 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Frequency-max: 2MHz
• Output Voltage: 3.3 V to 5 V
• Output Current: 250 mA
• Input Voltage: 3 V to 5.5 V
• Switching Frequency: 2 MHz
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.0
Note:
for typical values = +25°C.
FIGURE 2-1:
Temperature.
FIGURE 2-2:
Hysteresis vs. Temperature.
FIGURE 2-3:
Temperature.
© 2007 Microchip Technology Inc.
Note:
0.068
0.067
0.066
0.065
0.064
0.063
0.062
0.061
2.89
2.88
2.87
2.86
2.85
2.84
2.83
2.82
2.81
4.00
3.80
3.60
3.40
3.20
3.00
2.80
Unless otherwise noted, V
2.8
TYPICAL PERFORMANCE CURVES
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein are
not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
V
DD
Device Turn Off
Device Turn On
= +5.0V
Ambient Temperature (°C)
Ambient Temperature (°C)
Ambient Temperature (°C)
Undervoltage Lockout vs.
Undervoltage Lockout
Input Quiescent Current vs.
V
DD
V
DD
= +3.3V
= +3.0V
IN
= 3.0V to 5.5V, F
V
DD
= +4.0V
V
DD
= +5.5V
OSC
MCP1631/HV/MCP1631V/VHV
= 1 MHz with 10% Duty Cycle, C
FIGURE 2-4:
Temperature (MCP1631/MCP1631V).
FIGURE 2-5:
vs. Temperature.
FIGURE 2-6:
Threshold vs. Temperature.
4.00
3.70
3.40
3.10
2.80
2.50
2.20
1.90
1.60
1.30
1.00
1.60
1.50
1.40
1.30
1.20
1.10
1.00
1.70
1.60
1.50
1.40
1.30
1.20
1.10
1.00
0.90
0.80
V
V
DD
DD
IN
= +3.3V
= +3.0V
V
V
DD
= 0.1 µF, V
DD
Ambient Temperature (°C)
Ambient Temperature (°C)
= +3.0V
= +3.3V
Ambient Temperature (°C)
V
DD
Shutdown Current vs.
Oscillator Input Threshold
Oscillator Disable Input
V
= +3.3V
DD
V
= +4.0V
DD
IN
= +4.0V
for typical values = 5.0V, T
V
V
DD
DD
V
= +5.0V
= +4.0V
V
DD
DD
V
= +5.0V
DD
= +3.0V
DS22063A-page 9
= +5.0V
V
V
V
DD
DD
DD
= +5.5V
= +5.5V
= +5.5V
A