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PDF LDK715 Data sheet ( Hoja de datos )
| Número de pieza | LDK715 | |
| Descripción | High input voltage 85 mA LDO linear regulator | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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LDK715
High input voltage 85 mA LDO linear regulator
627/
')1 [PP
Features
• 4.3 V to 24 V input voltage
• Low-dropout voltage (500 mV typ. at 85 mA)
• Very low quiescent current (5 µA typ. at full
load)
• 85 mA guaranteed output current
• Output voltages 3.3V, 4.2V and 5.0V (other
versions available on request)
• Compatible with ceramic output capacitors
from 0.47 µF to 10 µF
• Internal current limit
• Packages: SOT23-5L,and DFN8 (3x3 mm)
• Temperature range: from -40 °C to 125 °C
Datasheet - production data
Applications
• Mobile phones
• Industrial
• battery-powered systems
Description
The LDK715 is a high voltage, ultra low quiescent
current and low drop linear regulator capable of
providing an output current in excess of 85 mA.
The device operates over an input voltage range
from 4.3 V to 24 V, and it is stable with output
ceramic capacitors. Fault condition protection
includes short-circuit current limitation. The ultra
low quiescent current of 5 µA at full load makes it
highly suitable for low power applications and
battery-powered systems. The wide input voltage
range makes the LDK715 an ideal solution for low
power industrial applications. The LDK715 is
available in SOT23-5, or DFN8 (3x3 mm) 8 leads.
SOT23-5L
LDK715M33R(1)
LDK715M42R
LDK715M50R
1. Available on request
Table 1. Device summary
Order codes
DFN8 (3x3 mm)
LDK715PU33R(1)
LDK715PU42R(1)
LDK715PU50R(1)
Output voltage
3.3 V
4.2 V
5.0 V
July 2014
This is information on a product in full production.
DocID026678 Rev 1
1/18
www.st.com
1 page  
LDK715
3 Maximum ratings
Maximum ratings
Table 4. Absolute maximum ratings
Symbol
Parameter
Value
Unit
VIN
VOUT
IOUT
DC input voltage
DC output voltage
Continuous output current
From -0.3 to 26
From -0.3 to VIN+0.3
According to package
power dissipation
V
V
A
PD(1)(2)
Maximum power dissipation, DFN package
Maximum power dissipation, SOT23-5L package
2
0.45
W
TSTG
Storage temperature range
-65 to 150
°C
TOP
Operating junction temperature range
-40 to 125
°C
1. PD is based on an operating temperature of 25 °C or less. It must be derated according to the operating temperature.
2. The LDK715 has an internal costant current limit feature. Take care not to exceed the power dissipation ratings of the
package also during current limit and short circuit events.
Note:
Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these conditions is not implied.
Symbol
RthJA
Table 5. Thermal data
Parameter
SOT23-5L
Thermal resistance junction-ambient
195
DFN8
52
Unit
°C/W
DocID026678 Rev 1
5/18
18
5 Page 
LDK715
7 Package mechanical data
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
7.1 SOT23-5L
Figure 14. SOT23-5L mechanical drawings
BN
DocID026678 Rev 1
11/18
18
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet LDK715.PDF ] | |
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