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PDF ICL7663S Data sheet ( Hoja de datos )
| Número de pieza | ICL7663S | |
| Descripción | CMOS Programmable Micropower Positive Voltage Regulator | |
| Fabricantes | Intersil Corporation | |
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®
Data Sheet
July 21, 2005
ICL7663S
FN3180.5
CMOS Programmable Micropower
Positive Voltage Regulator
The ICL7663S Super Programmable Micropower Voltage
Regulator is a low power, high efficiency positive voltage
regulator which accepts 1.6V to 16V inputs and provides
adjustable outputs from 1.3V to 16V at currents up to 40mA.
It is a direct replacement for the industry standard ICL7663B
offering wider operating voltage and temperature ranges,
improved output accuracy (ICL7663SA), better temperature
coefficient, guaranteed maximum supply current, and
guaranteed line and load regulation. All improvements are
highlighted in the electrical characteristics section. Critical
parameters are guaranteed over the entire commercial
and industrial temperature ranges. The ICL7663S/SA
programmable output voltage is set by two external
resistors. The 1% reference accuracy of the ICL7663SA
eliminates the need for trimming the output voltage in most
applications.
The ICL7663S is well suited for battery powered supplies,
featuring 4µA quiescent current, low VIN to VOUT differential,
output current sensing and logic input level shutdown
control. In addition, the ICL7663S has a negative
temperature coefficient output suitable for generating a
temperature compensated display drive voltage for LCD
displays.
Pinout
ICL7663S
(PDIP, SOIC)
TOP VIEW
SENSE 1
VOUT2 2
VOUT1 3
GND 4
8 VIN+
7 VTC
6 VSET
5 SHDN
Features
• Guaranteed 10µA Maximum Quiescent Current Over All
Temperature Ranges
• Wider Operating Voltage Range - 1.6V to 16V
• Guaranteed Line and Load Regulation Over Entire
Operating Temperature Range Optional
• 1% Output Voltage Accuracy (ICL7663SA)
• Output Voltage Programmable from 1.3V to 16V
• Improved Temperature Coefficient of Output Voltage
• 40mA Minimum Output Current with Current Limiting
• Output Voltages with Programmable Negative
Temperature Coefficients
• Output Shutdown via Current-Limit Sensing or External
Logic Level
• Low Input-to-Output Voltage Differential
• Improved Direct Replacement for Industry Standard
ICL7663B and Other Second-Source Products
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Low-Power Portable Instrumentation
• Pagers
• Handheld Instruments
• LCD Display Modules
• Remote Data Loggers
• Battery-Powered Systems
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. 1999-2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
ICL7663S
Typical Performance Curves
5.000
4.995
4.990
4.985
TA = 25°C
V+ = 9.0V
4.980
4.975
4.970
4.965
4.960
4.955
4.950
10-3
10-2
10-1
100
101
102
IOUT (mA)
FIGURE 1. VOUT2 OUTPUT VOLTAGE AS A FUNCTION OF
OUTPUT CURRENT
2.0
1.8 TA = 25°C
1.6
V+IN = 2V
1.4
1.2
1.0
0.8 V+IN = 9V
0.6
0.4
V+IN = 15V
0.2
0
0 2 4 6 8 10 12 14 16 18 20
IOUT1 (mA)
FIGURE 2. VOUT1 INPUT-OUTPUT DIFFERENTIAL vs
OUTPUT CURRENT
2.0
1.8
1.6 TA = 25°C
1.4
1.2
V+IN = 2V
1.0
0.8
0.6 V+IN = 9V
0.4 V+IN = 15V
0.2
0
0 5 10 15 20 25 30 35 40 45 50
IOUT2 (mA)
FIGURE 3. VOUT2 INPUT-OUTPUT DIFFERENTIAL vs
OUTPUT CURRENT
100
90
80
70
60
VIN = 9.0V
∆VIN = 2V
50
40
30
20
10
0
10-2
10-1
100
101
102
FREQUENCY (Hz)
1k
FIGURE 4. NPUT POWER SUPPLY REJECTION RATIO
5.0
4.5 TA = -20°C
4.0
TA = -25°C
3.5
3.0
2.5 TA = -70°C
2.0
1.5
1.0
0.5
0
0 2 4 6 8 10 12 14 16
V+IN (V)
FIGURE 5. QUIESCENT CURRENT AS A FUNCTION OF
INPUT VOLTAGE
5
5.00
4.75
4.50
4.25
4.00
3.75
3.50
3.25
3.00
2.75
2.50
-20
V+ = 15V
V+ = 9V
V+ = 2V
0 20 40
TEMPERATURE (°C)
60
80
FIGURE 6. QUIESCENT CURRENT AS A FUNCTION OF
TEMPERATURE
FN3180.5
July 21, 2005
5 Page | ||
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| PDF Descargar | [ Datasheet ICL7663S.PDF ] | |
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