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ISL80510 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL80510
部品説明 High Performance 1A LDO
メーカ Intersil
ロゴ Intersil ロゴ 



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ISL80510 Datasheet, ISL80510 PDF,ピン配置, 機能
DATASHEET
High Performance 1A LDO
ISL80510
The ISL80510 is a single output Low Dropout voltage regulator
(LDO) capable of sourcing up to 1A output current. This LDO
operates from input voltages of 2.2V to 6V. The output voltage
of ISL80510 can be programmed from 0.8V to 5.5V.
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 and excellent PSRR. The ISL80510
provides an output accuracy of ±1.8% VOUT accuracy over all
load, line and temperature variation (TJ = -40°C to +125°C).
An external capacitor on the soft-start pin provides an
adjustable soft starting of the output voltage ramp to control
the inrush current. The ENABLE feature allows the part to be
placed into a low quiescent current shutdown mode.
Table 1 shows the differences between the ISL80510 and
others in its family.
TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTS
PART NUMBER
MAX OUTPUT CURRENT
ISL80510
1.0A
ISL80505
0.5A
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
• Stable with a 4.7µF output ceramic capacitor
• Very fast transient response
• Programmable output soft-start time
• Excellent PSRR over wide frequency range
• Current limit protection
• Thermal shutdown function
• Available in an 8 Ld DFN package
• Pb-free (RoHS compliant)
Applications
• 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)
VIN
CIN
CSS
ISL80510
VIN
8
VIN
7
SS 6
ENABLE
5
EPAD
VOUT
1
VOUT
2
FB
3
GND
4
VOUT
COUT
R1 CPB
(optional)
R2
FIGURE 1. TYPICAL APPLICATION CIRCUIT
80
70
60 IOUT = 0.6A
50
40
30
VIN = 2.3V
VOUT = 1.8V
20
COUT = 10µF
CPB= 10nF
10 R1 = 2.61kΩ
R2 = 1kΩ
0
100
1k
IOUT = 1A
IOUT = 0.2A
10k
FREQUENCY (Hz)
FIGURE 2. PSRR
100k
1M
July 28, 2015
FN8767.0
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 2015. 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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