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PDF ISL9007 Data sheet ( Hoja de datos )
| Número de pieza | ISL9007 | |
| Descripción | High Current LDO | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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High Current LDO with Low IQ and High PSRR
ISL9007
Features
ISL9007 is a high performance LDO that delivers a continuous
400mA of load current. It has a low standby current and
high PSRR and is stable with output capacitance of 1µF to
10µF with an ESR of up to 200mΩ.
The ISL9007 has a very high PSRR of 75dB and output noise
less than 30µVRMS. When coupled with a no load quiescent
current of 50µA (typical), and 1µA (max) shutdown current, the
ISL9007 is an ideal choice for portable wireless equipment.
The ISL9007 comes in fixed voltage options of 3.3V, 2.85V,
2.8V, and 2.5V with ±1.8% output voltage accuracy
over-temperature, line and load. Other output voltage options
may be available upon request.
• High performance LDO with 400mA continuous output
• Excellent transient response to large current steps
• Excellent load regulation: <0.1% voltage change across full
range of load current
• Very high PSRR: 75dB @ 1kHz
• Wide input voltage capability: 2.3V to 6.5V
• Very low quiescent current: 50µA
• Low dropout voltage: typically 200mV @ 400mA
• Low output noise: typically 30µVRMS @ 100µA (2.5V)
• Stable with 1µF to 10µF ceramic capacitors
• Shutdown pin turns off LDO for 1µA (max) standby current
• Soft-start to limit input current surge during enable
• Current limit and overheat protection
• ±1.8% accuracy over all operating conditions
• 8 Ld MSOP 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
VIN (3.0V TO 6.5V)
SHUTDOWN
ON
OFF
C1
ISL9007
8
VIN
1
VO
7
VIN
6
SD
5
GND
C2
VOUT
C1, C2: 1µF X5R CERAMIC CAPACITOR
FIGURE 1. TYPICAL APPLICATION
VIN
VIN
UVLO
CONTROL
LOGIC
SHORT CIRCUIT,
THERMAL PROTECTION,
SOFT-START
SD +
-
BANDGAP AND
TEMPERATURE
SENSOR
FIGURE 2. BLOCK DIAGRAM
VO
GND
February 11, 2014
FN9218.3
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 2005, 2008, 2014. 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.
1 page  
ISL9007
Typical Performance Curves
2.9
IO = 0mA
2.8
VO = 2.8V
2.7
IO = 150mA
2.6
IO = 300mA
2.5
2.4
350
300
250
200
150
100
50
VO = 2.8V
VO = 3.3V
2.3
2.6 3.1 3.6 4.1 4.6 5.1 5.6 6.1 6.5
INPUT VOLTAGE (V)
FIGURE 7. OUTPUT VOLTAGE vs INPUT VOLTAGE (2.8V OUTPUT)
350
VO = 3.3V
300
250
200 +25°C
+85°C
150
-40°C
100
50
0
0 50 100 150 200 250 300 350
OUTPUT LOAD (mA)
FIGURE 9. DROPOUT VOLTAGE vs LOAD CURRENT
400
200
180
160
140
120
100
80
60
40
20
0
0
+85°C
-40°C
+25°C
VIN = 3.8V
VO = 3.3V
50 100 150 200 250 300 350
LOAD CURRENT (mA)
FIGURE 11. GROUND CURRENT vs LOAD
400
0
0 50 100 150 200 250 300 350
OUTPUT LOAD (mA)
FIGURE 8. DROPOUT VOLTAGE vs LOAD CURRENT
400
80
70
60 125°C
+25°C
50
-40°C
40
30
VO = 3.3V
IO = 0µA
20
3.0 3.5 4.0 4.58 5.0 5.5 6.0
INPUT VOLTAGE (V)
FIGURE 10. GROUND CURRENT vs INPUT VOLTAGE
6.5
80
70
60
50
40
VIN = 3.8V
30 VO = 3.3V
IL = 0µA
20
-40 -25 -10
5 20 35 50 65 80
TEMPERATURE (°C)
95 110 125
FIGURE 12. GROUND CURRENT vs TEMPERATURE
5 FN9218.3
February 11, 2014
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet ISL9007.PDF ] | |
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