參數(shù)資料
型號: IP78T15ACT
廠商: SEMELAB LTD
元件分類: 固定正電壓單路輸出標準穩(wěn)壓器
英文描述: 15 V FIXED POSITIVE REGULATOR, PSFM3
封裝: PLASTIC, TO-220, 3 PIN
文件頁數(shù): 4/4頁
文件大?。?/td> 32K
代理商: IP78T15ACT
LAB
SEME
IP78T15CT
IP78T15ACT
Prelim. 9/94
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk
TYPICAL PERFORMANCE CHARACTERISTICS
APPLICATIONS INFORMATION
Input Voltage (V)
O
u
tp
u
tC
u
rre
n
t
(m
A
)
5
101520253035
3.50
4.00
4.50
5.00
5.50
6.00
6.50
V
= 5V
OUT
T = 25C
J
I
= 1A
OUT
Junction Temperature (C)
Q
u
ie
s
c
ent
C
u
rr
ent
(
m
A
)
3.50
4.00
4.50
5.00
5.50
I
= 1A
OU T
V
= 5V
OU T
V = 10V
IN
0
25
50
75
100
125
QUIESCENT CURRENT
REG U LAT O R
IN PU T
O UT PUT
1
3G N D
2
C1*
0.22
F
C2**
RE G ULA TO R
INPU T
O UT PUT
1
3G N D
2
C1
0.22
F
R1
R2
RE G U LA TO R
IN PU T
OU T PU T
1
3
2
C1
0.22
F
R1
OU T
I
* Required if the regulator is located far from the power supply filter.
** Although no output capacitor is needed for stability, it does help
transient response. If needed, use a 0.1
mF ceramic disk.
VOUT = VREG + (VREG / R1 + IQ) R2
VREG / R1 > 3 IQ
( R1 + R2 )
Load Regulation (Lr)
(LR of regulator)
R1
[
]
VREG
IOUT =+ IQ
R1
DI
Q = 3.0mA over line and load changes.
FIXED OUTPUT REGULATOR
ADJUSTABLE OUTPUT REGULATOR
CURRENT REGULATOR
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