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.
0.4
V
OUT1
Dropout Voltage (V)
0.35
0.3
0.25
0.2
0.15
0.1
5
20
35
50
65
80
-40
-25
-10
95
110
125
V
OUT1
= 3.3V
I
OUT1
= 500 mA
V
OUT2
Output Voltage(V)
SHDN1 = V
IN2
SHDN2 = A
GND
1.492
1.49
1.488
1.486
1.484
1.482
I
OUT2
= 150 mA
T
A
= + 85°C
T
A
= + 25°C
SHDN1 = A
GND
SHDN2 = V
IN2
T
A
= - 40°C
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
Ambient Temperature (°C)
FIGURE 2-19:
V
OUT1
Dropout Voltage vs.
Ambient Temperature.
FIGURE 2-22:
V
OUT2
Output Voltage vs.
Input Voltage (V
OUT2
= 1.5V).
1.802
V
OUT2
Output Voltage (V)
1.800
1.798
1.796
1.794
1.792
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
Input Voltage (V)
T
A
= - 40°C
I
OUT2
= 150 mA
T
A
= + 85°C
T
A
= + 25°C
SHDN1 = A
GND
SHDN2 = V
IN2
FIGURE 2-20:
V
OUT1
and V
OUT2
Heavy
Load Switching Waveforms vs. Time.
FIGURE 2-23:
V
OUT2
Output Voltage vs.
Input Voltage (V
OUT2
= 1.8V).
2.508
V
OUT2
Output Voltage (V)
2.506
2.504
2.502
2.500
2.498
2.496
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)
T
A
= - 40°C
T
A
= + 85°C
SHDN1 = A
GND
SHDN2 = V
IN2
I
OUT2
= 150 mA
T
A
= + 25°C
FIGURE 2-21:
V
OUT1
and V
OUT2
Light
Load Switching Waveforms vs. Time.
FIGURE 2-24:
V
OUT2
Output Voltage vs.
Input Voltage (V
OUT2
= 2.5V).
DS21949C-page 14
©
2008 Microchip Technology Inc.
