TC1307 Datasheet PDF - Microchip Technology
| Part Number | TC1307 | |
| Description | Four-Channel CMOS LDO | |
| Manufacturers | Microchip Technology | |
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M
TC1307
Four-Channel CMOS LDO with Select Mode, Shutdown and
Independent Reset
Features
• Four Independent 150 mA LDOs
• Low Supply Current (220 µA typical)
www.DataSheet4U.com• High Output Voltage Accuracy (0.5% typical)
• Low Dropout Voltage (100 mV typical with
150 mA load)
• Four Independent Shutdown Inputs
• Select Mode™: Selectable Output Voltages for
High Design Flexibility
• Integrated Independent Microprocessor Reset
• Low Noise Outputs
• Fast Response from Shutdown (10 µs typical)
• RESET Output for Low Battery Detection or Reset
Generator
• Over Current and Over-Temperature Protection
• Small 16-Pin QSOP Package
• Specified Junction Temperature Range:
- -40°C to +125°C
Applications
• Battery Operated Systems
• Potable Computers
• Set Top Boxes
• Load Partitioning
• Medical Instruments
• Cellular / GSM / PHS Phones
• Instrumentation
• Linear Post Regulator for SMPS
• Pagers
Description
The TC1307 combines four CMOS Low Dropout Linear
Regulators with a Microcontroller Monitor in a space-
saving 16-Pin QSOP package. Developed specifically
for battery powered portable applications, all four out-
puts of the TC1307 typically consume a total of 220 µA
supply current, hold the output voltage to a tolerance of
0.5% and require 100 mV of headroom for regulation at
the maximum output current of 150 mA. In addition to
the four high performance LDOs, the TC1307 also
includes a voltage detector with a delayed RESET out-
put that can be configured for low battery detection or
Microcontroller Reset Generator.
All four LDOs have independent shutdown inputs and
can be programmed using two select inputs making the
TC1307 adaptable for a wide range of multiple output
applications. The tri-state SELECT12 input pin allows
the designer to select the output voltages on VOUT1,
and VOUT2 from three different values (2.5V, 2.8V or
3.0V). The tri-state SELECT34 input pin allows the
designer to select the output voltages on VOUT3, and
VOUT4 from three different values (1.8V, 2.5V or 2.8V).
All four LDO’s require only a 1 µF output capacitor for
stability that can be ceramic, tantalum or aluminum
over the entire input voltage operating range and 0 mA
to 150 mA rated load range. All four LDOs have low
output noise and excellent dynamic response when
faced with sudden line and load changes.
The voltage detect pin is set for a threshold of 2.63V
(typical) and operates down to a minimum input voltage
of 1.0V. When the voltage on the detect pin rises above
the 2.63V threshold, the RESET output is held low for
300 ms (typical).
Additional integrated features include over-current pro-
tection and over-temperature protection providing full
protection from external load faults.
Package Types
QSOP
VDET 1
SHDN1 2
SELECT12 3
VIN 4
VIN 5
GND 6
SHDN3 7
VIN 8
TC1307
16 RESET
15 SHDN2
14 VOUT1
13 VOUT2
12 VOUT3
11 VOUT4
10 SELECT34
9 SHDN4
2002 Microchip Technology Inc.
DS21702A-page 1
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TC1307
2.0 TYPICAL PERFORMANCE 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.
Note: Unless otherwise indicated, VIN = 3.8V, CIN = 10 µF ceramic (X5R), COUT = 1 µF ceramic (X5R), ILOAD = 100 µA,
SELECT12 = NC, SELECT34 = VIN, SHDN1/2/3/4 = VIN, TA = 25°C.
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
1.830
1.825
VIN = 2.8V
1.820
1.815
1.810
TJ = +125°C
TJ = +25°C
TJ = -40°C
1.805
1.800
0
25 50 75 100 125
Load Current (mA)
FIGURE 2-1: VOUT vs. Load Current.
150
2.508
2.506
VIN = 3.5V
2.504
2.502
2.500
2.498
2.496
2.494
2.492
2.490
2.488
0
25
TJ = +125°C
TJ = +25°C
TJ = -40°C
50 75 100
Load Current (mA)
125
FIGURE 2-2: VOUT vs. Load Current.
150
3.000
2.998
VIN = 4.0V
2.996
2.994
2.992
2.990
2.988
2.986
2.984
2.982
2.980
2.978
0
25
TJ = +125°C
TJ = +25°C
TJ = -40°C
50 75 100
Load Current (mA)
125
FIGURE 2-4: VOUT vs. Load Current.
150
1.816
1.814
ILOAD = 100 µA
1.812
1.810
TJ = +125°C
TJ = +25°C
1.808
1.806
1.804
TJ = -40°C
1.802
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0
Input Voltage (V)
FIGURE 2-5: VOUT vs. Input Voltage.
2.805
VIN = 3.8V
2.8
2.795
2.79
TJ = +125°C
TJ = +25°C
TJ = -40°C
2.785
2.78
0
25 50 75 100 125
Load Current (mA)
FIGURE 2-3: VOUT vs. Load Current.
150
2.502
2.5
ILOAD = 100 µA
2.498
TJ = +125°C
2.496
2.494
TJ = +25°C
2.492
2.49
TJ = -40°C
2.488
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0
Input Voltage (V)
FIGURE 2-6: VOUT vs. Input Voltage.
2002 Microchip Technology Inc.
DS21702A-page 5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TC1307 electronic component. |
| Information | Total 28 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ TC1307.PDF Datasheet ] | |
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