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ISL80101 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL80101
部品説明 High Performance 1A LDO
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL80101 Datasheet, ISL80101 PDF,ピン配置, 機能
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.

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