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PDF ISL80101 Data sheet ( Hoja de datos )
| Número de pieza | ISL80101 | |
| Descripción | High Performance 1A LDO | |
| Fabricantes | Intersil Corporation | |
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NORTECROEMCOMMENMDEISENLDD8ER0D1E0PF1LO-AARDCNJEEMWENDTEPSAIGRNTS
High Performance 1A LDO
DATASHEET
ISL80101
The ISL80101 is a low voltage, high current, single output LDO
specified at 1A output current. This LDO operates from input
voltages of 2.2V to 6V. Fixed output voltage options are
available in 1.8V, 2.5V, 3.3V and 5.0V versions. Other custom
voltage options are available upon request. For the adjustable
output version of the ISL80101, please refer to the
ISL80101-ADJ datasheet.
A submicron BiCMOS process is utilized for this product family
to deliver the best-in-class analog performance and overall
value. This CMOS LDO consumes significantly lower quiescent
current as a function of load compared to bipolar LDOs, which
translates into higher efficiency and packages with smaller
footprints. State-of-the-art internal compensation achieves a
very fast load transient response. An external capacitor on the
soft-start pin provides an adjustable soft-starting ramp. The
ENABLE feature allows the part to be placed into a low
quiescent current shutdown mode. A power-good logic output
signals a fault condition.
Table 1 shows the differences between the ISL80101 and
others in its family:
TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTS
PART NUMBER
ISL80101-ADJ
PROGRAMMABLE
ILIMIT
No
ILIMIT
(DEFAULT)
1.75A
ADJ or FIXED
VOUT
ADJ
ISL80101
No
1.75A
1.8V, 2.5V,
3.3V, 5.0V
ISL80101A
Yes
1.62A
ADJ
ISL80121-5
Yes
0.75A
5.0V
Features
• ±1.8% VOUT accuracy guaranteed over line, load and
TJ = -40°C to +125°C
• Very low 130mV dropout voltage at VOUT = 2.5V
• Very fast transient response
• Programmable soft-starting
• Power-good output
• Excellent 65dB PSRR
• Current limit protection
• Thermal shutdown function
• Available in a 10 Ld DFN package
• Pb-free (RoHS compliant)
Applications
• DSP, FPGA and µP core power supplies
• Noise-sensitive instrumentation systems
• Post regulation of switched mode power supplies
• Industrial systems
• Medical equipment
• Telecommunications and networking equipment
• Servers
• Hard disk drives (HD/HDD)
Related Literature
• See AN1592, “ISL80101 High Performance 1A LDO
Evaluation Board User Guide”
5.4V ± 10%
10µF
CIN
10k
R3
10 VIN
9 VIN
VOUT 1
VOUT 2
SENSE 3
ISL80101
7 ENABLE PG 4
0.01µF
CSS
6 SS
GND
5
5.0V ± 1.8%
10µF
COUT
100k
RPG
FIGURE 1. TYPICAL APPLICATION CIRCUIT
140
120
100
80
60
40
20 VOUT = 2.5V
0 0 0.2 0.4 0.6 0.8
OUTPUT CURRENT (A)
FIGURE 2. DROPOUT vs LOAD CURRENT
1.0
September 6, 2016
FN6931.3
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 2009, 2011, 2015, 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  
ISL80101
Electrical Specifications Unless otherwise noted, VOUT + 0.4V, < VIN < 6V, TJ = +25°C. Applications must follow thermal guidelines of
the package to determine worst case junction temperature. Please refer to “Applications Information” on page 8 and Tech Brief TB379. Boldface limits
apply across the operating temperature range, -40°C to +125°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN MAX
(Note 9) TYP (Note 9)
UNIT
ENABLE Pin Leakage Current
SOFT-START CHARACTERISTICS
VIN = 6V, ENABLE = 2.8V
1 µA
SS Pin Currents (Note 11)
IPD
ICHG
VIN = 3.5V, ENABLE = 0V, SS = 1V
0.5 1.0 1.3
-3.3 -2.0 -0.8
mA
µA
PG PIN CHARACTERISTICS
VOUT PG Flag Threshold
75 85 92 %VOUT
VOUT PG Flag Hysteresis
4%
PG Flag Low Voltage
VIN = 3V, ISINK = 500µA
100 mV
PG Flag Leakage Current
VIN = 6V, PG = 6V
1 µA
NOTES:
9. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
10. Dropout is defined as the difference in supply VIN and VOUT when the output is below its nominal regulation.
11. IPD is the internal pull-down current that discharges the external SS capacitor on disable. ICHG is the current from the SS pin that charges the external
SS capacitor during start-up.
Submit Document Feedback
5
FN6931.3
September 6, 2016
5 Page 
ISL80101
Revision History The revision history provided is for informational purposes only and is believed to be accurate, but not warranted.
Please go to web to make sure you have the latest revision. (Continued)
DATE
REVISION
CHANGE
July 27, 2011
FN6931.1
Added Related Literature
Main change - Deleted Adjustable Output Voltage Option Version from datasheet, now only refers to fixed
output voltage option includes removal of all graphics referring to Adjustable voltage option.
Modified page 1 by adding Table of key differences, graphics and changes to text
page 2 - Updated Ordering Information by:
Removing ADJ Device ISL80101IRAJZ plus Eval boards.
Updated Tape and Reel Note by changing "Add "-T" or "TK"…" to "Add "T*"…"
Updated Abs Max Rating and Thermal Information by adding ESD ratings and Latchup
Changed 10 Ld DFN Tja and Tjc from “45, 4” to “48, 7”
Updated DC Output Voltage Accuracy by combining Vout options
Removed Feedback Pin (Adj Option Only), Feedback Input Current Specs
Removed "(1A Version)" from Output Short-circuit Current Spec
Removed Adjustable Inrush Current Limit Characteristics and replaced with Soft-Start Characteristics
page 5 - Electrical Spec Note changed from "Compliance to datasheet limits is assured by one or more
methods: production test, characterization and/or design." To "Parameters with MIN and/or MAX limits are
100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and
are not production tested."
Complete Rewrite of Applications Information
POD L10.3x3 Changed Note 4 from "Dimension b applies..." to "Lead width applies..."
Changed Note callout in Detail X from 4 to 5
Changed height in side view from 0.90 MAX to 1.00 MAX
Added Note 4 callout next to lead width in Bottom View
In Land Pattern, corrected lead shape for 4 corner pins to "L" shape (was rectangular and did not match
bottom view)
December 21, 2009 FN6931.0 Initial Release.
About Intersil
Intersil Corporation is a leading provider of innovative power management and precision analog solutions. The company's products
address some of the largest markets within the industrial and infrastructure, mobile computing and high-end consumer markets.
For the most updated datasheet, application notes, related documentation and related parts, please see the respective product
information page found at www.intersil.com.
You may report errors or suggestions for improving this datasheet by visiting www.intersil.com/ask.
Reliability reports are also available from our website at www.intersil.com/support.
For additional products, see www.intersil.com/en/products.html
Intersil products are manufactured, assembled and tested utilizing ISO9001 quality systems as noted
in the quality certifications found at www.intersil.com/en/support/qualandreliability.html
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time
without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be
accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third
parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
Submit Document Feedback 11
FN6931.3
September 6, 2016
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ISL80101.PDF ] | |
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