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.
3.298
V
OUT2
Output Voltage (V)
3.297
3.296
3.295
3.294
3.293
3.292
3.60
T
A
= - 40°C
T
A
= + 85°C
V
OUT2
Line Regulation (%/V)
I
OUT2
= 150 mA
SHDN1 = A
GND
SHDN2 = V
IN2
0.005
0.000
-0.005
-0.010
-0.015
-0.020
-0.025
-0.030
-0.035
-40 -25 -10
5
V
OUT2
= 3.3V
SHDN1 = A
GND
SHDN2 = V
IN2
I
OUT2
= 100 µA
V
OUT2
= 2.5V
T
A
= + 25°C
V
OUT2
= 1.5V
3.92
4.23
4.55
4.87
5.18
5.50
20 35 50 65 80 95 110 125
Input Voltage (V)
Ambient Temperature (°C)
FIGURE 2-25:
V
OUT2
Output Voltage vs.
Input Voltage (V
OUT2
= 3.3V).
0.30
V
OUT2
Dropout Voltage (V)
0.25
0.20
0.15
0.10
0.05
-40
-25
-10
5
20
35
50
65
80
95
110
125
I
OUT2
= 200 mA
I
OUT2
= 300 mA
SHDN1 = A
GND
SHDN2 = V
IN2
FIGURE 2-28:
V
OUT2
Line Regulation vs.
Ambient Temperature.
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-40
-25
-10
5
20
35
50
65
80
95
110
125
V
OUT2
= 1.5V
V
OUT2
= 2.6V
V
OUT2
Load Regulation (%)
V
IN2
= 3.6V
V
OUT2
= 3.3V
SHDN1 = A
GND
SHDN2 = V
IN2
Ambient Temperature (°C)
Ambient Temperature (°C)
FIGURE 2-26:
V
OUT2
Dropout Voltage vs.
Ambient Temperature (V
OUT2
= 2.5V).
0.3
V
OUT2
Dropout Voltage (V)
FIGURE 2-29:
V
OUT2
Load Regulation vs.
Ambient Temperature.
350
325
300
275
250
225
200
-40 -25 -10
5
20 35 50 65 80 95 110 125
Ambient temperature (°C)
0.2
I
OUT2
= 300 mA
0.1
I
OUT2
= 200 mA
0.0
-40 -25 -10
5
20 35 50 65 80 95 110 125
Ambient Temperature (°C)
FIGURE 2-27:
V
OUT2
Dropout Voltage vs.
Ambient Temperature (V
OUT2
= 3.3V).
FIGURE 2-30:
PG Active Delay Time-out
vs. Ambient Temperature.
©
2008 Microchip Technology Inc.
PG Active Delay Time (ms)
SHDN1 = A
GND
SHDN2 = V
IN2
V
IN
= 3.6V
SHDN1 = V
IN2
SHDN2 = V
IN2
DS21949C-page 15
