參數(shù)資料
型號: μA723
廠商: Texas Instruments, Inc.
英文描述: Precision Voltage Regulator(精密PWM控制器)
中文描述: 精密穩(wěn)壓器(精密的PWM控制器)
文件頁數(shù): 1/13頁
文件大?。?/td> 321K
代理商: ΜA723
μ
A723C,
μ
A723M
μ
A723Y
PRECISION VOLTAGE REGULATORS
SLVS057B – AUGUST 1972 – REVISED AUGUST 1995
Copyright
1995, Texas Instruments Incorporated
3–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
150-mA Load Current Without External
Power Transistor
Typically 0.02% Input Regulation and
0.03% Load Regulation (
μ
A723M)
Adjustable Current Limiting Capability
Input Voltages to 40 V
Output Adjustable From 2 V to 37 V
Direct Replacement for Fairchild
μ
A723C
and
μ
A723M
description
The
μ
A723C and
μ
A723M are precision monolith-
ic integrated circuit voltage regulators featuring
high ripple rejection, excellent input and load
regulation, excellent temperature stability, and low
standby current. The circuit consists of a
temperature-compensated reference voltage am-
plifier, an error amplifier, a 150-mA output
transistor, and an adjustable output current limiter.
The
μ
A723C and
μ
A723M are designed for use in
positive or negative power supplies as a series,
shunt, switching, or floating regulator. For output
currents exceeding 150 mA, additional pass
elements may be connected as shown in
Figures 4 and 5.
The
μ
A723C is characterized for operation from
0
°
C to 70
°
C. The
μ
A723M is characterized for
operation over the full military temperature range
of –55
°
C to 125
°
C.
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
CURR LIM
CURR SENS
IN–
IN+
REF
V
CC–
NC
FREQ COMP
V
CC+
V
C
OUTPUT
V
Z
NC
μ
A723C . . . D OR N PACKAGE
μ
A723M . . . J PACKAGE
(TOP VIEW)
1
2
3
4
5
10
9
8
7
6
CURR SENS
IN–
IN+
REF
V
CC–
CURR LIM
FREQ COMP
V
CC+
V
C
OUTPUT
μ
A723M . . . U PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
V
CC+
NC
V
C
NC
OUTPUT
CURR SENS
NC
IN–
NC
IN+
μ
A723M . . . FK PACKAGE
(TOP VIEW)
C
N
N
N
V
Z
N
F
R
V
N
NC – No internal connection
C
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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