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부품번호 | UA723 기능 |
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기능 | Precision voltage regulator | ||
제조업체 | NXP Semiconductors | ||
로고 | |||
전체 6 페이지수
Philips Semiconductors
www.DataSheet4U.com
Precision voltage regulator
Product specification
µA723/723C
DESCRIPTION
The µA723/µA723C is a monolithic precision voltage regulator
capable of operation in positive or negative supplies as a series,
shunt, switching, or floating regulator. The 723 contains a
temperature-compensated reference amplifier, error amplifier, series
pass transistor, and current limiter, with access to remote shutdown.
FEATURES
• Positive or negative supply operation
• Series, shunt, switching, or floating operation
• 0.01% line and load regulation
• Output voltage adjustable from 2V to 37V
• Output current to 150mA without external pass transistor
• µA723 MIL-STD-883A, B, C available
PIN CONFIGURATION
D,F, N Packages
NC 1
CURRENT LIMIT 2
CURRENT SENSE 3
INVERTING INPUT 4
NON-INVERTING INPUT 5
VREF 6
V– 7
14 NC
13 FREQUENCY COMPENS.
12 V+
11 VC
10 VOUT
9 VZ
8 NC
SL00503
Figure 1. Pin Configuration
ORDERING INFORMATION
DESCRIPTION
14-Pin Ceramic Dual In-Line Package (CERDIP)
14-Pin Plastic Dual In-Line Package (DIP)
14-Pin Plastic Small Outline (SO) Package
TEMPERATURE RANGE
-55°C to 125°C
0 to 70°C
0 to 70°C
ORDER CODE
µA723F
µA723CN
µA723CD
DWG #
0581B
SOT27-1
SOT108-1
EQUIVALENT CIRCUIT
TEMPERATURE
COMPENSATED
ZENER
12 V+
VIN
FREQUENCY
COMPENSATION
13
11 VC
VREF
8
INVERTING
INPUT
4
ERROR AMP
NON INVERTING
INPUT
–
+
SERIES PASS
TRANSISTOR
10
VOUT
7 V–
VOLTAGE
REFERENCE
AMPLIFIER
2
CURRENT
LIMIT
Figure 2. Equivalent Circuit
3 CURRENT
SENSE
9 VZ
SL00504
1994 Aug 31
1 853-1063 13721
www.PDhailitpasSSheemeicto4nUdu.ccotomrs
Precision voltage regulator
Product specification
µA723/723C
TYPICAL PERFORMANCE CHARACTERISTICS
Standby Current Drain
as a Function of Input Voltage
5.0
4.0 TA = –55°C
TA = 0°C
3.0 TA = +25°C
VOUT = VREF
IL = 0
2.0
Maximum Load Current
as a Function of
Input-Output Voltage
Differential
200
TJMAX = 150°C
RTH = 150°C/W
160 PSTANDBY = 60mW
METAL CAN PACKAGE
(NO HEAT SINK)
120 TA = +25°C
TA = 70°C
80 TA = +125°C
TA = +70°C
1.0
TA = +125°C
40
0
0 10 20
30 40
50
INPUT VOLTAGE — V
0
0 10 20 30 40 50
(VIN – VOUT) — V
Current Limiting
Characteristics as a
Function of Junction
Temperature
0.8
SENSE VOLTAGE
0.7
200
160
0.6 LIMIT CURRENT
RSC = 10Ω
0.5
120
80
0.4 LIMIT CURRENT
RSC = 5Ω
40
0.3
–50
0 +50 +100 +150
JUNCTION TEMPERATURE — °C
0
Maximum Load Current
as a Function of
Input-Output Voltage
Differential
200
TJMAX = 150°C
RTH = 111°C/W
160 PSTANDBY = 60mW
DIP PACKAGE
(NO HEAT SINK)
120 TA = +25°C
TA = 70°C
80 TA = +125°C
40
0
0 10 20 30 40 50
(VIN – VOUT) — V
Load Regulation
Characteristics with
Current Limiting
+0.1
0
–0.1
–0.2
–0.3
VOUT = 5V, VIN = +12V
RSC = 10Ω
TA = –55°C
TA = +25°C
TA = +70°C
TA = +125°C
TA = 0°C
–0.4
0
20 40 60 80
OUTPUT CURRENT — mA
100
Load Regulation
Characteristics Without
Current Limiting
+0.05
0
VOUT = 5V
VIN = +12V
RSC = 0
–0.05
–0.1
–0.15
–0.2
0
TA = 70°C
TA = +25°C
T2A0 = 0°C 40
TA = +125°C
TA = +55°C
60 80
OUTPUT CURRENT — mA
100
Load Transient Response
LOAD CURRENT
OUTPUT VOLTAGE
4.0
+10
0
Line Regulation as a
Function of Input-Output
Voltage Differential
+0.3
+0.2
+0.1
VOUT = +5V
RSC = 0
TA = +25°C
∆VIN = +3V
IIL = 1mA
0
–4.0
–8.0
–5
VOUT = 5V
VIN = +12V
IL = 40mA
RSC = 0
5 15
25
TIME — µs
35
0
–0.1
45
–0.2
–5
5 15 25 35 45
(VIN – VOUT) — V
Figure 3. Typical Performance Characteristics
Output Impedance as
a Function of Frequency
10
VO = +5V
VIN = +12V
RSC = 0
TA = +25°C
1.0 IIL = 50mA
C1 = 0
C1 = 1µF
0.1
.01
100
1k
10k
100k
1M
FREQUENCY — Hz
SL00505
1994 Aug 31
4
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부품번호 | 상세설명 및 기능 | 제조사 |
UA723 | Precision voltage regulator | NXP Semiconductors |
UA723 | Precision Voltage Regulators (Rev. D) | Texas Instruments |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |