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PDF TPS71501-Q1 Data sheet ( Hoja de datos )
| Número de pieza | TPS71501-Q1 | |
| Descripción | TPS715xx-Q1 50-mA 24-V 3.2- A Supply Current Low-Dropout Linear Regulators in SC70 Package (Rev. H) | |
| Fabricantes | Texas | |
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TPS71501-Q1, TPS71525-Q1, TPS71530-Q1, TPS71533-Q1, TPS71550-Q1
SGLS272H – OCTOBER 2004 – REVISED DECEMBER 2015
TPS715xx-Q1 50-mA, 24-V, 3.2-μA Supply Current
Low-Dropout Linear Regulators in SC70 Package
1 Features
•1 Qualified for Automotive Applications
– Automotive Grade 1 (Q-temperature Range)
– Device HBM ESD Classification Level H2
– Device CDM ESD Classification Level C4B
• 24-V Maximum Input Voltage
• Low 3.2-μA Quiescent Current at 50 mA
• Stable With Any Capacitor (> 0.47 μF)
• 50-mA Low-Dropout Regulator
• Available in 2.5 V, 3 V, 3.3 V, 5 V, and Adjustable
(1.2 V to 15 V)
• Minimum and Maximum Specified Current Limit
• 5-Pin SC70 and SOT (DCK) Package
• –40°C to 125°C Specified Junction Temperature
Range
2 Applications
• Ultra-Low-Power Microcontrollers
• Cellular and Cordless Handsets
• Portable- and Battery-Powered Equipment
3 Description
The TPS715xx-Q1 low-dropout (LDO) voltage
regulators offer the benefits of high input voltage,
LDO voltage, low-power operation, and miniaturized
packaging. The devices, which operate over an input
range of 2.5 V to 24 V, are stable with any capacitor
(>0.47 μF). The LDO voltage and low quiescent
current allow operations at extremely low power
levels. Therefore, the devices are ideal for powering
battery-management ICs. Specifically, since the
devices are enabled as soon as the applied voltage
reaches the minimum input voltage, the output is
quickly available to power continuously operating
battery-charging ICs.
The usual PNP pass transistor has been replaced by
a PMOS pass element. Because the PMOS pass
element behaves as a low-value resistor, the LDO
voltage, typically 415 mV at 50 mA of load current, is
directly proportional to the load current. The low
quiescent current (3.2 μA typical) is stable over the
entire range of output load current (0 mA to 50 mA).
Table 1. Device Information(1)(2)
PART NUMBER
PACKAGE
TPS715xx-Q1
SC70 (5)
BODY SIZE (NOM)
2.00 mm × 1.25 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
(2) Contact Texas Instruments for other voltage options between
1.25 V and 5.85 V.
Simplified Schematic
IN OUT
TPS715xx
Li–
MSP430
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
1 page  
www.ti.com
6.6 Typical Characteristics
TPS71501-Q1, TPS71525-Q1, TPS71530-Q1, TPS71533-Q1, TPS71550-Q1
SGLS272H – OCTOBER 2004 – REVISED DECEMBER 2015
3.320
3.315
3.310
3.305
3.300
3.295
3.290
0
VIN = 4.3 V
10 20 30
Output Current (mA)
C OUT = 1 μF
40
50
TJ = 25°C
Figure 1. Output Voltage vs Output Current
4.5
4
3.5
3
2.5
2
−40 −25 −10 5 20 35 50 65 80 95 110 125
Free-Air Temperature (°C)
VIN = 4.3 V
VOUT = 3.3 V
IOUT = 1 μF
Figure 3. Quiescent Current vs Free-air Temperature
18
16
14
12
10
8
6
IOUT = 1 mA
4
2
0
10
VIN = 4.3 V
TJ = 25°C
IOUT = 50 mA
100 1k 10k 100k 1 M
Frequency (Hz)
VOUT = 3.3 V
10 M
C OUT = 1 μF
Figure 5. Output Impedance vs Frequency
3.32
3.31
3.30
IOUT = 1 mA
3.29
IOUT = 50 mA
3.28
3.27
3.26
3.25
−40 −25 −10 5 20 35 50 65 80 95 110 125
Free−Air Temperature (°C)
VIN = 4.3 V
COUT = 1 µF
Figure 2. Output Voltage vs Free-air Temperature
8
7 IOUT = 1 mA
6
5 IOUT = 50 mA
4
3
2
1
0
100
VIN = 4.3 V
1 k 10 k
Frequency (Hz)
VOUT = 3.3 V
100 k
C OUT = 1 μF
Figure 4. Output Spectral Noise Density vs Frequency
600
500
TJ = 125°C
400
TJ = 25°C
300
200
TJ = −40°C
100
0
0
VIN = 3.2 V
10 20 30 40
Output Current (mA)
C OUT = 1 μF
50
Figure 6. Dropout Voltage vs Output Current
Copyright © 2004–2015, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: TPS71501-Q1 TPS71525-Q1 TPS71530-Q1 TPS71533-Q1 TPS71550-Q1
5
5 Page 
www.ti.com
TPS71501-Q1, TPS71525-Q1, TPS71530-Q1, TPS71533-Q1, TPS71550-Q1
SGLS272H – OCTOBER 2004 – REVISED DECEMBER 2015
Figure 17. TPS71533-Q1 Power Up and Power Down
Waveform
Figure 18. TPS71533-Q1 Load Transient Waveform
9 Power Supply Recommendations
The device is designed to operate from a max 24V input voltage supply. This input supply must be well
regulated. If the input supply is located more than a few inches from the TPS715xx-Q1 device, it is
recommended to add an µF level bulk capacitor and an nF level ceramic bypass capacitor at the input.
10 Layout
10.1 Layout Guidelines
For the LDO power supply, layout is an important step. If layout is not carefully designed, the regulator could not
deliver enough output current because of the thermal limitation. To improve the thermal performance of the
device, and maximize the current output at high ambient temperature, it is recommended to spread the ground
copper as large as possible. Figure 19 shows an example layout.
10.2 Layout Example
FB/NC
GND
NC
1
2
3
5 OUT
C2
C1
4 IN
Figure 19. TPS715xx-Q1 Layout Example
10.3 Power Dissipation and Junction Temperature
To ensure reliable operation, worst-case junction temperature should not exceed 125°C. This restriction limits the
power dissipation the regulator can handle in any given application. To ensure the junction temperature is within
acceptable limits, calculate the maximum allowable dissipation, PD(max), and the actual dissipation, PD, which
must be less than or equal to PD(max).
The maximum-power-dissipation limit is determined using Equation 3.
Copyright © 2004–2015, Texas Instruments Incorporated
Submit Documentation Feedback
11
Product Folder Links: TPS71501-Q1 TPS71525-Q1 TPS71530-Q1 TPS71533-Q1 TPS71550-Q1
11 Page | ||
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