Microchip Technology ADM00423 Data Sheet
MCP16321/2
DS22285A-page 10
© 2011 Microchip Technology Inc.
Note:
Unless otherwise indicated, V
IN
= 12V, EN = Floating (Internally pulled up), C
IN
= 20 µF, C
OUT
= 2x22 µF,
L = 4.7 µH (XAL6060-472MEB), I
LOAD
= 200 mA, T
A
= +25°C. MCP16321 maximum output current = 1A.
FIGURE 2-19:
Shutdown Current vs. Input
Voltage.
FIGURE 2-20:
Shutdown Current vs.
Temperature.
FIGURE 2-21:
Output Voltage vs.
Temperature.
FIGURE 2-22:
Oscillator Frequency vs.
Temperature (I
OUT
= 300 mA).
FIGURE 2-23:
Input Quiescent Current vs.
Temperature (No Load, Switching).
FIGURE 2-24:
Input Current vs.
Temperature (No Load, No Switching).
0
1
2
3
4
5
6
7
8
6
10
14
18
22
Shudow
n Current
(µA)
V
IN
(V)
4.45
4.50
4.55
4.60
4.65
4.70
4.75
4.80
4.85
4.90
-40
-10
20
50
80
110
Shutdow
n Current
(µA)
Ambient Temperature (°C)
3.284
3.286
3.288
3.290
3.292
3.294
3.296
3.298
3.300
-40
-10
20
50
80
110
V
OUT
(V)
Ambient Temperature (°C)
I
OUT
= 0.1A
I
OUT
= 1A
980
985
990
995
1000
1005
1010
1015
1020
-40
-10
20
50
80
110
Oscillator Frequency
(kHz)
Ambient Temperature (°C)
5.20
5.25
5.30
5.35
5.40
5.45
5.50
-40
-10
20
50
80
110
Sw
itching Quiscent
Current
(mA)
Ambient Temperature (°C)
I
OUT
= 0A
2.28
2.30
2.32
2.34
2.36
2.38
2.40
2.42
-40
-10
20
50
80
110
Non-Sw
itching Quiscent
Current
(mA)
Ambient Temperature (°C)
I
OUT
= 0A