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ISL80510 데이터시트 PDF




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부품번호 ISL80510 기능
기능 High Performance 1A LDO
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ISL80510 데이터시트, 핀배열, 회로
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.




ISL80510 pdf, 반도체, 판매, 대치품
ISL80510
Absolute Maximum Ratings
VIN Relative to GND (Note 4) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
VOUT Relative to GND (Note 4) . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
ENABLE, FB, SS
Relative to GND (Note 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
ESD Rating
Human Body Model (Tested per JESD22-A114F) . . . . . . . . . . . . . . .2.5kV
Machine Model (Tested per JESD22-A115C) . . . . . . . . . . . . . . . . . 250V
Charge Device Model (Tested per JESD22-C101C). . . . . . . . . . . . . . . 2kV
Latch-up (Tested per JESD78C, Class 2, Level A) . . . . . ±100mA at +85°C
Thermal Information
Thermal Resistance (Typical)
JA (°C/W) JC (°C/W)
8 Ld DFN Package (Notes 5, 6). . . . . . . . . .
48
7
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493
Recommended Operating Conditions (Notes 7, 8)
Junction Temperature Range (TJ) (Note 7) . . . . . . . . . . . .-40°C to +125°C
VIN Relative to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.2V to 6V
VOUT Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .800mV to 5.5V
ENABLE, FB, SS relative to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to 6V
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
4. Absolute maximum voltage rating is defined as the voltage applied for a lifetime average duty cycle above 6V of 1%.
5. JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379.
6. For JC, the “case temp” location is the center of the exposed metal pad on the package underside.
7. Extended operation at these conditions may compromise reliability. Exceeding these limits will result in damage. Recommended operating conditions
define limits where specifications are guaranteed.
8. Electromigration specification defined as lifetime average junction temperature of +110°C where max rated DC current = lifetime average current.
Electrical Specifications Unless otherwise noted, 2.2V < VIN < 6V, VOUT = 0.5V, TJ = +25°C. Applications must follow thermal
guidelines of the package to determine worst case junction temperature. Please refer to “Applications Information” on page 10 and Tech Brief TB379.
Boldface limits apply across the operating temperature range, -40°C to +125°C.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN MAX
(Note 9) TYP (Note 9) UNIT
DC CHARACTERISTICS
Feedback Pin Voltage
Feedback Input Current
Line Regulation
Load Regulation
Ground Pin Current
Ground Pin Current in Shutdown
Dropout Voltage (Note 10)
Output Short-circuit Current
Thermal Shutdown Temperature
VFB
(VOUT(LOW LINE) -
VOUT(HIGH
LINE))/VOUT(LOW LINE)
(VOUT(NO LOAD) -
VOUT(FULL
LOAD))/VOUT(NO LOAD)
IQ
ISHDN
VDO
OCP
TSD
2.2V < VIN < 6V; 0A < ILOAD < 1A
VFB = 0.5V
VIN = 2.2V to 6V; ILOAD = 100mA
VIN = 2.2V; ILOAD = 0A to 1A
ILOAD = 0A, VIN = 2.2V
ILOAD = 1A, VIN = 2.2V
ENABLE Pin = 0V, VIN = 6V
ILOAD = 1A, VOUT = 2.5V
VOUT = 0V
491 500 509 mV
0.01 1 µA
-0.9 0.9 %
-0.9 0.9 %
1.35
2.2
2.8
0.2
130
1.75
160
4.6
5.7
12
212
2.15
mA
mA
µA
mV
A
°C
Thermal Shutdown Hysteresis
TSDn
30 °C
AC CHARACTERISTICS
Input Supply Ripple Rejection
PSRR
f = 1kHz, ILOAD = 1A; VIN = 2.2V; VOUT = 1.8V
48
dB
f = 120Hz, ILOAD = 1A; VIN = 2.2V; VOUT = 1.8V
58
dB
Output Noise Voltage
VIN = 2.2V; VOUT = 1.8V; ILOAD = 1A,
BW = 100Hz < f < 100kHz
75 µVRMS
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ISL80510 전자부품, 판매, 대치품
ISL80510
Typical Operating Performance Unless otherwise noted: VIN = 2.2V, VOUT = 1.8V, CIN = COUT = 10µF, TJ = +25°C,
IL = 0A. (Continued)
2.0 1.854
1.8
1.6
1.4 +125°C
1.2
1.836
1.818
+25°C
+85°C
1.0
+85°C
0.8
0.6 +25°C
0.4
0.2 -40°C
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
FIGURE 14. OUTPUT VOLTAGE vs INPUT VOLTAGE
6.0
1.800
1.782
1.764
-40°C
+125°C
1.746 0
0.2 0.4 0.6 0.8
OUTPUT CURRENT (A)
FIGURE 15. OUTPUT VOLTAGE vs OUTPUT CURRENT
1.0
1.854
1.836
IOUT = 0A
1.818
1.800
1.782
IOUT = 1A
1.764
1.746
-40 -25 -10 5.0 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
FIGURE 16. OUTPUT VOLTAGE vs TEMPERATURE
1.854
IOUT = 10mA
1.836
1.818
+25°C
+85°C
1.800
1.782
-40°C
+125°C
1.764
1.746
2.2 2.7 3.3 3.8 4.4 4.9 5.4
INPUT VOLTAGE (V)
FIGURE 17. OUTPUT VOLTAGE vs INPUT VOLTAGE
6.0
2.2
2.0 VIN = 2.2V
1.8
1.6
VIN = 6V
1.4
1.2
1.0
-40
-25 -10 5.0 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
FIGURE 18. CURRENT LIMIT vs TEMPERATURE
EN (2V/DIV)
RLOAD = 3.6Ω
SS (500mV/DIV)
VOUT (500mV/DIV)
ILOAD (500mA/DIV)
2ms/DIV
FIGURE 19. ENABLE START-UP (CSS = 10nF)
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ISL80510

High Performance 1A LDO

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