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PDF ISL80138 Data sheet ( Hoja de datos )
| Número de pieza | ISL80138 | |
| Descripción | 150mA Linear Regulator | |
| Fabricantes | Intersil | |
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DATASHEET
40V, Low Quiescent Current, 150mA Linear Regulator
ISL80138
The ISL80138 is a high voltage, adjustable VOUT low quiescent
current linear regulator ideally suited for “always-on” and
“keep alive” applications. The ISL80138 operates from an
input voltage of +6V to +40V under normal operating
conditions and consumes only 18µA of quiescent current at no
load.
The ISL80138 features an EN pin that can be used to put the
device into a low-quiescent current shutdown mode where it
draws only 2µA of supply current. The device features
over-temperature shutdown and current limit protection.
The ISL80138 is rated to operate across the -40°C to +125°C
temperature range and is available in a 14 lead HTSSOP with
an exposed pad package.
TABLE 1. KEY DIFFERENCES IN FAMILY OF 40V LDO PARTS
PART NUMBER
ISL80136
MINIMUM IOUT
50mA
IC PACKAGE
8 Ld EPSOIC
ISL80138
150mA
14 Ld HTSSOP
Related Literature
• ISL80136 Datasheet
• AN1784, “ISL80136EVAL1Z, ISL80138EVAL1Z Evaluation
Boards User Guide”
Features
• Wide VIN range of 6V to 40V
• Adjustable output voltage from 2.5V to 12V
• Guaranteed 150mA output current
• Ultra low 18µA typical quiescent current
• Low 2µA of typical shutdown current
• ±1% accurate voltage reference
• Low dropout voltage of 295mV at 150mA
• 40V tolerant logic level (TTL/CMOS) enable input
• Stable operation with 10µF output capacitor
• 5kV ESD HBM rated
• Thermal shutdown and current limit protection
• Thermally enhanced 14 Ld exposed pad HTSSOP package
Applications
• Industrial
• Telecommunications
VIN = 14V
CIN
0.1µF
IN
OUT
VOUT = 12V
R1
EPAD
EN (GND) ADJ
COUT
10µF
GND
R2
FIGURE 1. TYPICAL APPLICATION
25
20
15
10
5
0
-50 0
50 100 150
TEMPERATURE (°C)
FIGURE 2. QUIESCENT CURRENT vs TEMPERATURE (AT UNITY
GAIN). VIN = 14V
January 15, 2016
FN7969.1
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2012, 2016. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL80138
Typical Performance Curves VIN = 14V, IOUT = 1mA, VOUT = 5V, TJ = +25°C, unless otherwise specified.
120
100 +125°C
30
+125°C
25
80 20
+25°C
-40°C
60 15
40 -40°C
+25°C
10
20 5
0
0 50 100
LOAD CURRENT (mA)
FIGURE 3. QUIESCENT CURRENT vs LOAD CURRENT
150
0
0 10 20 30 40
INPUT VOLTAGE (V)
FIGURE 4. QUIESCENT CURRENT vs INPUT VOLTAGE (NO LOAD)
3.0
2.5
2.0 VIN = 40V
1.5
1.0 VIN = 14V
0.5
0
-50 0 50 100 150
TEMPERATURE (°C)
FIGURE 5. SHUTDOWN CURRENT vs TEMPERATURE (EN = 0)
0.010
0.005
0
-0.005
VOUT = 5V
VOUT = 3.3V
-0.010
-50
0 50 100
TEMPERATURE (°C)
150
FIGURE 6. OUTPUT VOLTAGE vs TEMPERATURE (LOAD = 50mA)
5.20
5.15
5.10
5.05
+125°C
+25°C
5.00
4.95
4.90
-40°C
4.85
4.80
0
50 100
LOAD CURRENT (mA)
FIGURE 7. OUTPUT VOLTAGE vs LOAD CURRENT
150
EN
VOUT
500mV/DIV
1V/DIV
TIME = 500µs/DIV
FIGURE 8. START-UP WAVEFORM
Submit Document Feedback
5
FN7969.1
January 15, 2016
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet ISL80138.PDF ] | |
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