ISL80101A Intersil, ISL80101A Datasheet

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ISL80101A

Manufacturer Part Number
ISL80101A
Description
High Performance 1A Linear Regulator
Manufacturer
Intersil
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
ISL80101AIRAJZ-T
Manufacturer:
INTERSIL
Quantity:
20 000
Company:
Part Number:
ISL80101AIRAJZ-T
Quantity:
1 884
www.DataSheet4U.com
High Performance 1A Linear Regulator with
Programmable Current Limiting
ISL80101A
The ISL80101A is a low dropout voltage, single output LDO
with programmable current limiting. This LDO operates from
input voltages of 2.2V to 6V, and is capable of providing output
voltages of 0.8V to 5V. Other custom voltage options are
available upon request.
A sub-micron BiCMOS process is utilized for this product family
to deliver the best in class analog performance and overall
value. The programmable current limiting improves system
reliability of end applications. 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.
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. Quiescent current is modestly compromised to
achieve a very fast load transient response.
Table 1 shows the differences between the ISL80101A and
others in its family:
February 24, 2011
FN7712.2
PART NUMBER
5.0V ± 5%
TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTS
ISL80121-5
ISL80101A
ISL80101
10µF
C
IN
10k
R
1
0.01µF
R
C
SET
SS
I
LIMIT
10
9
8
7
6
1.75A
1.62A
0.75A
V
V
I
ENABLE
SS
(DEFAULT)
SET
IN
IN
ISL80101A
GND
1
5
V
V
OUT
OUT
ADJ
PG
1
2
3
4
PROGRAMMABLE I
100pF
C
PB
Yes
Yes
No
2.61k
R
0.464k
R
FIGURE 1. TYPICAL APPLICATION
3
2
I
LIMIT
1-888-INTERSIL or 1-888-468-3774
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
SET
100k
=
10µF
C
3.3V
1.62
OUT
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
2.9x 2xV IN 1
--------------------------------------------------------
R
SET
(
Features
• ±2% V
• Very Low 212mV Dropout Voltage at V
• High Accuracy Current Limit Programmable up to 1.75A
• Very Fast Transient Response
• 100µV
• Power-Good Output
• Programmable Soft-Start
• Over-Temperature Protection
• Small 10 Ld DFN Package
Applications
• Telecommunications and Networking
• Medical Equipment
• Instrumentation Systems
• USB Devices
• Gaming
• Routers and Switchers
1.5
1.2
0.9
0.6
0.3
0.0
T
10
(
J
= -40°C to +125°C
All other trademarks mentioned are the property of their respective owners.
)
)
ADJ
RMS
V
|
Accuracy Guaranteed Over Line, Load and
IN
Copyright Intersil Americas Inc. 2010, 2011. All Rights Reserved
Output Noise
= 4.5V
V
IN
= 5.0V
R
SET (kΩ)
100
V
IN
= 5.5V
IN
= 4.5V
1000

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ISL80101A Summary of contents

Page 1

... High Performance 1A Linear Regulator with Programmable Current Limiting ISL80101A The ISL80101A is a low dropout voltage, single output LDO with programmable current limiting. This LDO operates from input voltages of 2.2V to 6V, and is capable of providing output voltages of 0.8V to 5V. Other custom voltage options are available upon request. ...

Page 2

... RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb- free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. 3. The 1.5V, 3.3V and 5V fixed output voltages will be released in the future. Please contact Intersil Marketing for more details. www.DataSheet4U.com 2 ISL80101A THERMAL SHUTDOWN CURRENT LIMITER ...

Page 3

... GND ENABLE 8 I SET EPAD www.DataSheet4U.com 3 ISL80101A ISL80101A (10 LD 3X3 DFN) TOP VIEW V 1 OUT V 2 OUT ADJ 3 PAD PG 4 GND 5 Output voltage. A minimum 10uF X5R/X7R output capacitor is required for stability. See “External Capacitor Requirements” on page 8 for more details. ...

Page 4

... AC CHARACTERISTICS www.DataSheet4U.com Input Supply Ripple Rejection Output Noise Voltage ENABLE PIN CHARACTERISTICS Turn-on Threshold 4 ISL80101A Thermal Information (Note 6) Thermal Resistance (Typical 3x3 DFN Package (Notes 4, 5 Maximum Junction Temperature (Plastic Package).........................+150°C Storage Temperature Range ............................................... -65°C to +150°C Pb-Free Reflow Profile................................................................see link below http://www ...

Page 5

... PG Flag Low Voltage PG Flag Leakage Current NOTES: 8. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design. 9. Dropout is defined by the difference in supply V www.DataSheet4U.com 5 ISL80101A Unless otherwise noted, all parameters are established over the following specified conditions 0.4V 3.3V ...

Page 6

... SUPPLY VOLTAGE (V) FIGURE 4. OUTPUT VOLTAGE vs SUPPLY VOLTAGE 3.5 3.0 2.5 2.0 1.5 +25°C +125°C 1.0 0 0.2 0.4 LOAD CURRENT (A) FIGURE 6. GROUND CURRENT vs LOAD CURRENT 6 ISL80101A = 3.3V 10µ +25° OUT J +125°C -40°C 0.6 0.8 1 -40° 0.6 0.8 1.0 = 0A. ...

Page 7

... OUT TIME (20µs/div) FIGURE 10. LOAD TRANSIENT RESPONSE Functional Description Input Voltage Requirements ISL80101A is capable of delivering output voltages from 0.8V to 5.0V. Due to the nature of an LDO, V higher than V plus dropout at the maximum rated current of OUT the application if active filtering (PSRR) is expected from V V ...

Page 8

... OUTPUT CAPACITOR if not used Ω to The ISL80101A applies state-of-the-art internal compensation to IN keep the selection of the output capacitor simple for the customer. Stable operation over full temperature, V for applications V ...

Page 9

... The DFN package uses the copper area on the PCB as a heat-sink. The EPAD of this package must be soldered to the copper plane (GND plane). Figure 13 shows a curve for the θ package for different copper area sizes. www.DataSheet4U.com 9 ISL80101A , R R for different PB 3 and ...

Page 10

... Capacitor Requirements” on page 8: a. "The ISL80121-5 applies…" changed to "The ISL80101A applies… 11. On page 4, “Electrical Specifications”, “DC CHARACTERISTICS”, “Output Current Limit” ...

Page 11

... 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 11 ISL80101A www.intersil.com/askourstaff For additional products, see www.intersil.com/product_tree in the quality certifications found at www ...

Page 12

... Package Outline Drawing L10.3x3 10 LEAD DUAL FLAT PACKAGE (DFN) Rev 6, 09/09 6 PIN 1 INDEX AREA (4X) 0.10 TOP VIEW PACKAGE OUTLINE (10x 0.23) (8x 0.50) TYPICAL RECOMMENDED LAND PATTERN www.DataSheet4U.com 12 ISL80101A 3. 0.23 0.35 (10 x 0.55) 1.60 NOTES 1.60 10x 0.35 BOTTOM VIEW 4 (4X) 0.415 SEE DETAIL "X" ...

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