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PDF ISL9008 Data sheet ( Hoja de datos )
| Número de pieza | ISL9008 | |
| Descripción | Low Noise LDO | |
| Fabricantes | Intersil | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ISL9008 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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NORTECROEMCOMMENMDEENDDISERL®DE90PF0LO8ARACNEDEMaWtEaNsDThEePSeAIGtRNTS
Low Noise LDO with Low IQ and High
PSRR
ISL9008 is a high performance single low noise, high PSRR
LDO that delivers a continuous 150mA of load current. It has
a low standby current and is stable with 1µF of MLCC output
capacitance with an ESR of up to 200mΩ.
The ISL9008 has a high PSRR of 65dB and output noise
less than 45µVRMS. When coupled with a no load quiescent
current of 45µA (typical), and 0.5µA shutdown current, the
ISL9008 is an ideal choice for portable wireless equipment.
The ISL9008 comes in several fixed voltage options with
±1.8% output voltage accuracy over temperature, line and
load. Other output voltage options are available on request.
Pinout
ISL9008
(5 LD SC-70)
TOP VIEW
VIN
GND
EN
15
2
34
VO
NC
March 11, 2008
ISL9008
FN9235.1
Features
• High Performance LDO With 150mA Continuous Output
• Excellent Transient Response to Large Current Steps
• Excellent Load Regulation:
< 0.1% Voltage Change Across Full Range of Load
Current
• High PSRR: 65dB @ 1kHz
• Wide Input Voltage Capability: 2.3V to 6.5V
• Very Low Quiescent Current: 45µA
• Low Dropout Voltage: Typically 200mV @ 150mA
• Low Output Noise: Typically 45µVrms @ 100µA (1.5V)
• Stable With 1µF to 4.7µF Ceramic Capacitors
• Shutdown Pin Turns Off LDO With 1µA (max) Standby
Current
• Soft-Start Limits Input Current Surge During Enable
• Current Limit and Overheat Protection
• ±1.8% Accuracy Over All Operating Conditions
• 5 Ld SC-70 Package
• -40°C to +85°C Operating Temperature Range
• Pb-Free (RoHS compliant)
Applications
• PDAs, Cell Phones and Smart Phones
• Portable Instruments, MP3 Players
• Handheld Devices Including Medical Handhelds
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2006-2008. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL9008
Typical Performance Curves (Continued)
3.4
3.3
3.2
3.1
3.0
2.9 IO = 0mA
2.8 IO = 75mA
2.7 IO = 150mA
VO = 3.3V
+25°C
2.6
2.5
2.4
2.3
2.6 3.1 3.6 4.1 4.6 5.1 5.6 6.1 6.6
INPUT VOLTAGE (V)
FIGURE 5. DROPOUT VOLTAGE vs INPUT VOLTAGE
(3.3V OUTPUT)
2.9
2.8
2.7
IO = 0mA
2.6
IO = 75mA
IO = 150mA
2.5
2.4
VO = 2.8V
+25°C
2.3
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
INPUT VOLTAGE (V)
FIGURE 6. DROPOUT VOLTAGE vs INPUT VOLTAGE
(2.8V OUTPUT)
6.5
250
200
150
VO = 2.8V
VO = 3.3V
100
50
0
0 25 50 75 100 125 150 175
OUTPUT LOAD (mA)
FIGURE 7. DROPOUT VOLTAGE vs LOAD CURRENT
225
VO = 3.3V
200
175
150
+85°C
+25°C
125 -40°C
100
75
50
25
0
0 25 50 75 100 125 150 175
OUTPUT LOAD (mA)
FIGURE 8. DROPOUT VOLTAGE vs LOAD CURRENT
90
75
60 +85°C
45 +25°C
30
15 -40°C
VO = 3.3V
IO = 0µA
0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
INPUT VOLTAGE (V)
FIGURE 9. GROUND CURRENT vs INPUT VOLTAGE
6.5
140
120
100
80
+85°C
60
-40°C
+25°C
40
20 VIN = 3.8V
VO = 3.3V
0
0 25 50 75 100 125 150
LOAD CURRENT (mA)
FIGURE 10. GROUND CURRENT vs LOAD
175
5 FN9235.1
March 11, 2008
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ISL9008.PDF ] | |
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