MCP1640T-I/CHY Microchip Technology, MCP1640T-I/CHY Datasheet - Page 7

• Manufacturer Part Number: MCP1640T-I/CHY
• Description: IC CONV DCDC STEPUP SYNC SOT23-6
• Manufacturer: Microchip Technology
• Type: Step-Up (Boost)r

Specifications of MCP1640T-I/CHY

• Package / Case: SOT-23-6
• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 2 ~ 5.5 V
• Current - Output: 100mA
• Frequency - Switching: 500kHz
• Voltage - Input: 0.8 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Mounting Style: SMD/SMT
• Duty Cycle (max): 90 %
• Efficiency: 96 %
• Input / Supply Voltage (max): 0.8 V
• Input / Supply Voltage (min): 0.65 V
• Load Regulation: 0.01 %
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Output Current: 350 mA
• Output Voltage: 5 V
• Switching Frequency: 500 KHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: MCP1640T-I/CHYTR

Note: Unless otherwise indicated,
FIGURE 2-13:
V
FIGURE 2-14:
R
FIGURE 2-15:
Current vs. V
 2010 Microchip Technology Inc.
IN
DSON
.
16
14
12
10
8
6
4
2
0
5
4
3
2
1
0
10000
0
1000
100
1
vs. > of V
10
0.8
0.5
P - Channel
1.5
N - Channel
1.1
IN
.
V
1
OUT
2
1.4
IN
V
OUT
= 2.0V
or V
= 2.0V
Input No Load Current vs.
N-Channel and P-Channel
PFM / PWM Threshold
1.7
1.5
2.5
V
OUT
> V
OUT
= 2.0V
IN
V
2
V
IN
V
or V
OUT
3
2
IN
(V)
.
V
2.3
(V)
= 3.3V
OUT
OUT
3.5
= 3.3V
2.5
V
V
2.6
IN
OUT
PWM / PFM
PWM ONLY
= EN = 1.2V, C
= 3.3V
4
2.9
3
V
V
OUT
V
OUT
OUT
3.2
= 5.0V
4.5
= 5.0V
= 5.0V
3.5
3.5
5
OUT
4
= C
IN
= 10 µF, L = 4.7 µH, V
FIGURE 2-16:
Mode Waveforms.
FIGURE 2-17:
PWM Mode Waveforms.
FIGURE 2-18:
Waveforms.
MCP1640/B/C/D
OUT
= 3.3V, I
MCP1640 3.3V V
MCP1640B 3.3V V
MCP1640/B High Load
LOAD
= 15 mA, T
DS22234A-page 7
OUT
A
OUT
= +25°C.
PFM