參數(shù)資料
型號(hào): UA723MJB
元件分類(lèi): RS-485
英文描述: Low power RS-485/RS-422 transceiver
中文描述: 積極可調(diào)電壓穩(wěn)壓器
文件頁(yè)數(shù): 6/17頁(yè)
文件大小: 469K
代理商: UA723MJB
μ
A723
PRECISION VOLTAGE REGULATORS
SLVS057D – AUGUST 1972 – REVISED JULY 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
100 pF
R2
R1
Regulated Output,
VO
RSC
VI
REF
VCC+
VC
OUTPUT
VZ
CURR LIM
CURR SENS
IN+
VCC–FREQ COMP
IN–
R3
(see Notes A and B)
μ
A723
NOTES: A.
B. R3 can be eliminated for minimum component count. Use direct connection (i.e., R3 = 0).
R3
R1
R1
R2
VO
Figure 2. Basic High-Voltage Regulator (V
O
= 7 V to 37 V)
R2
VI
100 pF
2N5001
2 k
R3 =
3 k
R4 = 3 k
R1
REF
VCC+
VC
OUTPUT
VZ
CURR LIM
CURR SENS
IN+
VCC–FREQ COMP
IN–
μ
A723
Regulated Output,
VO
Figure 3. Negative-Voltage Regulator
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