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PDF TC1300 Data sheet ( Hoja de datos )
| Número de pieza | TC1300 | |
| Descripción | 300 mA CMOS LDO | |
| Fabricantes | Microchip Technology | |
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Hay una vista previa y un enlace de descarga de TC1300 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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M
TC1300
300 mA CMOS LDO with Shutdown, Bypass and
Independent Delayed Reset Function
Features
• LDO with Integrated Microcontroller Reset
Monitor Functionality
www.DataSheet4U.com• Low Input Supply Current (80 µA, typical)
• Very Low Dropout Voltage
• 10 µsec (typ.) Wake-Up Time from SHDN
• 300 mA Output Current
• Standard or Custom Output and Detected
Voltages
• Power-Saving Shutdown Mode
• Bypass Input for Quiet Operation
• Separate Input for Detected Voltage
• 140 msec Minimum RESET Output Duration
• Space-Saving MSOP Package
• Specified Junction Temperature Range:
-40°C to +125°C
Applications
• Battery-Operated Systems
• Portable Computers
• Medical Instruments
• Pagers
• Cellular / GSM / PHS Phones
Related Literature
• AN765, “Using Microchip’s Micropower LDOs”,
DS00765.
• AN766, “Pin-Compatible CMOS Upgrades to
Bipolar LDOs”, DS00766.
• AN792, “A Method to Determine How Much
Power a SOT23 Can Dissipate in an Application”,
DS00792.
Package Type
MSOP
RESET 1
8 VDET
VOUT
GND
2
3
TC1300VUA
7 VIN
6 NC
Bypass 4
5 SHDN
General Description
The TC1300 combines a low dropout regulator and a
microcontroller reset monitor in an 8-Pin MSOP pack-
age. Total supply current is 80 µA (typical), 20 to 60
times lower than bipolar regulators.
The TC1300 has a precise output with a typical accu-
racy of ±0.5%. Other key features include low noise
operation, low dropout voltage and internal feed-
forward compensation for fast response to step
changes in load. The TC1300 has both over-tempera-
ture and over-current protection. When the shutdown
control (SHDN) is low, the regulator output voltage falls
to zero, RESET output remains valid and supply cur-
rent is reduced to 30 µA (typical). The TC1300 is rated
for 300 mA of output current and stable with a 1 µF out-
put capacitor.
An active-low RESET is asserted when the detected
voltage (VDET) falls below the reset voltage threshold.
The RESET output remains low for 300 msec (typical)
after VDET rises above reset threshold. The TC1300
also has a fast wake-up response time (10 µsec.,
typical) when released from shutdown.
Typical Application Circuit
RESET 1 RESET VDET 8
VDET
VOUT
C1
1 µF
2 VOUT
VIN 7
TC1300
3 GND
NC 6
4 Bypass SHDN 5
C2
1 µF
Battery
CBYPASS
470 pF
(Optional)
Shutdown Control
(from Power
Control Logic)
2002 Microchip Technology Inc.
DS21385C-page 1
1 page  
TC1300
2.0 TYPICAL CHARACTERISTICS
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Junction temperature (TJ) is approximated by soaking the device under test at an ambient temperature equal to the
desired Junction temperature. The test time is small enough such that the rise in the Junction temperature over the
Ambient temperature is not significant.
www.DataSheet4U.com
0.035
0.030
0.025
VOUT = 3.0V
VIN = 3.5V to 6.0V
0.020
0.015
0.010
0.005
0.000
-40 -25 -10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
FIGURE 2-1:
Temperature.
Line Regulation vs.
450
400
350
300
250
200
150
100
50
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
FIGURE 2-4:
Reset Active Time-out
Period vs. Temperature.
0.14
0.12
VOUT = 5.0V
VIN = VOUT + 1V
0.10
0.08
VOUT = 3.0V
0.06
VOUT = 2.5V
0.04
0.02
0.00
-40 -25 -10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
FIGURE 2-2:
Temperature.
Supply Current vs.
10.00
1.00
RLOAD = 50 Ohms
COUT = 1 µF
0.10
0.01
0.01
0.10 11.00 1100.00 10100.00 10100.000
Frequency (kHz)
FIGURE 2-5:
Output Noise vs. Frequency.
2.500
2.499
2.498
2.497
2.496
2.495
2.494
2.493
2.492
VIN = VOUT + 1V
IOUT = 100 µA
VOUT = 2.5V
2.491
-40 -25 -10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
FIGURE 2-3:
Temperature.
Normalized VOUT vs.
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
TJ = -40°C
TJ = +125°C
VOUT = 2.5V
TJ = +25°C
100 200 300
Load Current (mA)
400
FIGURE 2-6:
Current (2.5V).
Dropout Voltage vs. Load
2002 Microchip Technology Inc.
DS21385C-page 5
5 Page 
5.2 Package Dimensions
Component Taping Orientation for 8-Pin MSOP Devices
PIN 1
User Direction of Feed
TC1300
www.DataSheet4U.com
W
P
Standard Reel Component Orientation
for TR Suffix Device
Carrier Tape, Number of Components Per Reel and Reel Size:
Package
8-Pin MSOP
Carrier Width (W)
12 mm
Pitch (P)
8 mm
Part Per Full Reel
2500
Reel Size
13 in.
2002 Microchip Technology Inc.
DS21385C-page 11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TC1300.PDF ] | |
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