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PDF ISL9003A Data sheet ( Hoja de datos )
| Número de pieza | ISL9003A | |
| Descripción | Low Noise LDO | |
| Fabricantes | Intersil Corporation | |
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Data Sheet
December 21, 2006
ISL9003A
FN6299.1
Low Noise LDO with Low IQ, High PSRR
ISL9003A 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 ISL9003A has a very high PSRR of 90dB and output
noise is 20μVRMS (typical). When coupled with a no load
quiescent current of 31μA (typical), and 0.5μA shutdown
current, the ISL9003A is an ideal choice for portable wireless
equipment.
The ISL9003A comes in many fixed voltage options with
±1.8% output voltage accuracy over temperature, line and
load. Other output voltage options are available on request.
Pinouts
ISL9003A
(5 LD SC-70)
TOP VIEW
VIN 1 5 VO
GND 2
EN 3 4 CBYP
ISL9003A
(6 LD 1.6x1.6 μTDFN )
TOP VIEW
VO 1
GND 2
CBYP 3
6 VIN
5 NC
4 EN
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
• Very high PSRR: >90dB @ 1kHz
• Wide input voltage capability: 2.3V to 6.5V
• Extremely low quiescent current: 31μA
• Low dropout voltage: typically 200mV @ 150mA
• Low output noise: typically 20μVRMS @ 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 or 6 Ld μTDFN package
• -40°C to +85°C operating temperature range
• Pb-free plus anneal available (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 or1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2006. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL9003A
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
60
50
+85°C
40
30
+25°C
20
10 -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 6.5
INPUT VOLTAGE (V)
FIGURE 9. GROUND CURRENT vs INPUT VOLTAGE
225
200 VO = 3.3V
175
+25°C
+85°C
150
125
100
75 -40°C
50
25
0
0 25 50 75 100 125 150 175
OUTPUT LOAD (mA)
FIGURE 8. DROPOUT VOLTAGE vs LOAD CURRENT
140
VIN = 3.8V
120 VO = 3.3V
100
80
60 +85°C
+25°C
40
20
-40°C
0
0 25 50 75 100 125 150
LOAD CURRENT (mA)
FIGURE 10. GROUND CURRENT vs LOAD
175
5 FN6299.1
December 21, 2006
5 Page 
ISL9003A
Small Outline Transistor Plastic Packages (SC70-5)
D
e1 VIEW C
54
E CL
1 23
CL
e
CL
b
0.20 (0.008) M C
CL
A A2
A1
SEATING
PLANE
-C-
E1
C
0.10 (0.004) C
WITH
PLATING
c
b
b1
BASE METAL
c1
4X θ1
SEATING
PLANE
C
4X θ1
R1
R
L
α
L1
GAUGE PLANE
L2
P5.049
5 LEAD SMALL OUTLINE TRANSISTOR PLASTIC PACKAGE
INCHES
MILLIMETERS
SYMBOL MIN MAX MIN MAX NOTES
A
0.031
0.043
0.80
1.10
-
A1
0.000
0.004
0.00
0.10
-
A2
0.031
0.039
0.80
1.00
-
b
0.006
0.012
0.15
0.30
-
b1
0.006
0.010
0.15
0.25
c
0.003
0.009
0.08
0.22
6
c1
0.003
0.009
0.08
0.20
6
D
0.073
0.085
1.85
2.15
3
E
0.071
0.094
1.80
2.40
-
E1
0.045
0.053
1.15
1.35
3
e 0.0256 Ref
0.65 Ref
-
e1 0.0512 Ref
1.30 Ref
-
L
0.010
0.018
0.26
0.46
4
L1 0.017 Ref.
0.420 Ref.
-
L2 0.006 BSC
0.15 BSC
α 0o 8o 0o 8o -
N5
55
R 0.004 - 0.10
-
R1
0.004
0.010
0.15
0.25
NOTES:
Rev. 2 9/03
1. Dimensioning and tolerances per ASME Y14.5M-1994.
2. Package conforms to EIAJ SC70 and JEDEC MO-203AA.
3. Dimensions D and E1 are exclusive of mold flash, protrusions,
or gate burrs.
4. Footlength L measured at reference to gauge plane.
5. “N” is the number of terminal positions.
6. These Dimensions apply to the flat section of the lead between
0.08mm and 0.15mm from the lead tip.
7. Controlling dimension: MILLIMETER. Converted inch dimen-
sions are for reference only.
VIEW C
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. 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 www.intersil.com
11 FN6299.1
December 21, 2006
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet ISL9003A.PDF ] | |
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