MCP1631-E/ML Microchip Technology, MCP1631-E/ML Datasheet - Page 13

• 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

Typical Performance Curves (Continued)
Note: Unless otherwise noted, V
V
FIGURE 2-25:
(V) vs. Temperature.
FIGURE 2-26:
(V) vs. Temperature.
FIGURE 2-27:
Hysteresis (V) vs. Temperature.
© 2007 Microchip Technology Inc.
IN
for typical values = 5.0V, T
1.27
1.26
1.25
1.24
1.23
1.22
1.21
1.187
1.187
1.186
1.186
1.185
1.185
1.184
1.184
1.183
1.183
1.182
0.080
0.070
0.060
0.050
0.040
0.030
0.020
0.010
0.000
1.2
V
DD
V
V
V
DD
DD
DD
= +5.5V
V
= +5.0V
= +4.0V
= +3.0V
DD
= +5.5V
Ambient Temperature (°C)
V
Ambient Temperature (°C)
Ambient Temperature (°C)
V
DD
DD
V
V
= +3.3V
Overvoltage Threshold High
Overvoltage Threshold Low
Overvoltage Threshold
DD
DD
= +3.3V
= +5.0V
= +3.0V
V
DD
= +3.0V
A
V
for typical values = +25°C.
DD
IN
= +4.0V
= 3.0V to 5.5V, F
V
DD
= +5.0V
V
V
DD
V
DD
DD
= +5.5V
= +4.0V
= +3.3V
MCP1631/HV/MCP1631V/VHV
OSC
= 1 MHz with 10% Duty Cycle, C
FIGURE 2-28:
Threshold (V) vs. Temperature.
FIGURE 2-29:
Input Voltage.
FIGURE 2-30:
Junction Temperature.
6.00
5.00
4.00
3.00
2.00
1.00
3.00
2.50
2.00
1.50
1.00
0.50
0.00
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
-45
6
V
I
OUT
OUT
= 0 µA
V
V
V
= 5.0V
OUT
IN
V
DD
-20
DD
= 3.5V
= +3.0V
8
= 2.5V
+130°C
= +5.0V
Junction Temperature (°C)
Ambinet Temperature (°C)
V
DD
5
Shutdown Input Voltage
LDO Quiescent Current vs.
LDO Quiescent Current vs.
= +5.5V
10
Input Voltage (V)
IN
V
V
-45°C
V
V
OUT
IN
30
V
OUT
IN
= 6.0V
= 0.1 µF,
DD
= 2.7V
= 5.0V
12
= 1.2V
= +3.3V
55
V
+90°C
DD
= +4.0V
DS22063A-page 13
14
80
0°C
I
OUT
16
105
= 0mA
+25°C
130
18