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

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



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ISL80101-ADJ Datasheet, ISL80101-ADJ PDF,ピン配置, 機能
DATASHEET
High Performance 1A LDO
ISL80101-ADJ
The ISL80101-ADJ is a low voltage, high current, single output
LDO specified at 1A output current. This LDO operates from
input voltages from 2.2V to 6V, and is capable of providing
output voltages from 0.8V to 5V. The ISL80101-ADJ features
an adjustable output. For the fixed output version of the
ISL80101-ADJ, please refer to the ISL80101 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 will consume 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-ADJ 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
AN1592, “ISL80101 High Performance 1A LDO Evaluation
Board User Guide”
2.5V ± 10%
10µF
CIN
10k
R3
10 VIN
9 VIN
VOUT 1
VOUT 2
82pF
CPB
ADJ 3
ISL80101-ADJ
7 ENABLE PG 4
0.01µF
CSS
6 SS
GND
5
2.61k
R2
1.00k
R1
1.8V
10µF
COUT
100k
RPG
FIGURE 1. TYPICAL APPLICATION CIRCUIT
140
120
100
80
60
40
20 VOUT = 2.5V
00 0.2 0.4 0.6 0.8 1.0
OUTPUT CURRENT (A)
FIGURE 2. DROPOUT vs LOAD CURRENT
August 26, 2015
FN7834.3
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. 2011, 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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