TC1303C-1A1EMF
| Model | TC1303C-1A1EMF |
| Description | 0.5 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO10, 3 X 3 MM, 0.9 MM HEIGHT, PLASTIC, DFN-10 |
| PDF file | Total 38 pages (File size: 756K) |
| Chip Manufacturer | MICROCHIP |
TC1303A/TC1303B/TC1303C/TC1304
Note:
Unless otherwise indicated, V
IN1
= V
IN2
= SHDN1,2 = 3.6V, C
OUT1
= C
IN
= 4.7 µF, C
OUT2
= 1 µF, L = 4.7 µH,
V
OUT1
(ADJ) = 1.8V, T
A
= +25°C.
Boldface
specifications apply over the T
A
range of -40°C to +85°C. T
A
= +25°C. Adjustable- or fixed-
output voltage options can be used to generate the Typical Performance Characteristics.
3.4
3.36
V
OUT1
(V)
3.32
3.28
3.24
3.2
0.005
V
IN1
= 4.2V
V
OUT1
FB Voltage (V)
SHDN1 = V
IN2
SHDN2 = A
GND
0.820
0.815
V
IN1
= 3.6V
SHDN1 = V
IN2
SHDN2 = A
GND
0.810
0.805
0.800
0.795
0.790
5
20
35
50
65
80
-40
-25
-10
95
110
125
0.104
0.203
0.302
0.401
0.5
I
OUT1
(A)
Ambient Temperature (°C)
FIGURE 2-13:
(V
OUT1
= 3.3V).
2.20
V
OUT1
Frequency (MHz)
2.15
2.10
2.05
2.00
1.95
1.90
2.7
3.1
V
OUT1
vs. I
OUT1
FIGURE 2-16:
V
OUT1
Adjustable Feedback
Voltage vs. Ambient Temperature.
0.6
0.55
0.5
0.45
N-Channel
T
A
= 25 °C
V
OUT1
Switch Resistance ()
SHDN1 = V
IN2
SHDN2 = A
GND
SHDN1 = V
IN2
SHDN2 = A
GND
0.4
0.35
0.3
3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
Input Voltage (V)
P-Channel
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
FIGURE 2-14:
vs. Input Voltage.
2.00
V
OUT1
Frequency (MHz)
1.98
1.96
1.94
1.92
1.90
-40
-25
-10
V
OUT1
Switching Frequency
FIGURE 2-17:
vs. Input Voltage.
0.65
0.6
0.55
0.5
0.45
0.4
0.35
0.3
V
OUT1
Switch Resistance
SHDN1 = V
IN2
SHDN2 = A
GND
V
OUT1
Switch Resistance ()
V
IN1
= 3.6V
SHDN1 = V
IN2
SHDN2 = A
GND
P-Channel
N-Channel
5
20
35
50
65
80
95
110
125
-40 -25 -10
5
20 35 50 65 80 95 110 125
Ambient Temperature (°C)
Ambient Temperature (°C)
FIGURE 2-15:
V
OUT1
Switching Frequency
vs. Ambient Temperature.
FIGURE 2-18:
V
OUT1
Switch Resistance
vs. Ambient Temperature.
©
2008 Microchip Technology Inc.
DS21949C-page 13
