MCP1640 Microchip Technology Inc., MCP1640 Datasheet - Page 6

• Manufacturer Part Number: MCP1640
• Description: 0.65v Start-up Synchronous Boost Regulator With True Output Disconnect Or Input/output Bypass Option
• Manufacturer: Microchip Technology Inc.

MCP1640/B/C/D
Note: Unless otherwise indicated,
FIGURE 2-7:
Temperature.
FIGURE 2-8:
Temperature.
FIGURE 2-9:
DS22234A-page 6
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.40
3.36
3.32
3.28
3.24
3.20
3.325
3.315
3.305
3.295
3.285
3.33
3.32
3.31
3.29
-40
0.8
3.3
I
OUT
-40
T
T
A
A
= 85°C
= 25°C
= 15 mA
-25
T
A
-25
I
1.2
OUT
= - 40°C
I
OUT
I
OUT
-10
= 50 mA
= 15 mA
V
= 5 mA
-10
Ambient Temperature (°C)
Ambient Temperature (°C)
IN
= 0.8V
V
IN
3.3V V
3.3V V
3.3V V
1.6
5
= 1.8V
V
5
IN
= 1.5V
V
20
IN
20
OUT
OUT
OUT
(V)
2
35
35
V
vs. Ambient
vs. Ambient
vs. V
IN
I
V
OUT
IN
= EN = 1.2V, C
50
50
= 1.2V
2.4
= 5 mA
IN
.
65
65
2.8
80
80
OUT
= C
IN
= 10 µF, L = 4.7 µH, V
FIGURE 2-10:
Shutdown V
FIGURE 2-11:
Temperature.
FIGURE 2-12:
Threshold vs. I
525
520
515
510
505
500
495
490
485
480
1.00
0.85
0.70
0.55
0.40
0.25
4.5
3.5
2.5
1.5
0.5
4
3
2
1
0
-40
0
0
V
1
-25
OUT
IN
= 3.3V
2
20
into Resistive Load vs. I
OUT
OUT
-10
Startup
Ambient Temperature (°C)
3
= 3.3V, I
.
V
Minimum Start-up and
F
PWM Pulse Skipping Mode
5
OUT
Shutdown
 2010 Microchip Technology Inc.
OSC
V
40
4
OUT
= 3.3V
I
I
V
OUT
OUT
OUT
= 3.3V
LOAD
20
vs. Ambient
5
(mA)
(mA)
= 5.0V
V
OUT
= 15 mA, T
35
= 2.0V
60
6
7
50
A
80
OUT
8
= +25°C.
65
.
9
80
100
10