參數(shù)資料
型號： SI91844DT-33-T1
廠商： Vishay Intertechnology,Inc.
元件分類： 基準電壓源/電流源
英文描述： 150-mA Low-Noise LDO Regulator With Error Flag and Discharge Option
中文描述： 150 - mA的低噪音LDO調(diào)節(jié)器錯誤國旗和放電期權
文件頁數(shù)： 2/9頁
文件大小： 90K
代理商： SI91844DT-33-T1
Si91842/4
Vishay Siliconix
New Product
www.vishay.com
2
Document Number: 71732
S-20478
—
Rev. C, 01-Apr-02
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings
Input Voltage, V
IN
to GND
V
ERROR
, V
SD
(See Detailed Description)
Output Current, I
OUT
Output Voltage, V
OUT
Package Power Dissipation, (P
d
)
b
–
6.0 to 6.5 V
–
0.3 V to V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
Short Circuit Protected
–
0.3 V to V
IN
+ 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
440 mW
Package Thermal Resistance, (
JA
)
a
180 C/W
. . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature, T
J(max)
150 C
. . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature, T
STG
Notes
a.
Device mounted with all leads soldered or welded to PC board.
b.
Derate 5.5 mW/ C above T
A
= 70 C
–
65 C to 150 C
. . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING RANGE
Input Voltage, V
IN
Input Voltage, V
SD
2 V to 6 V
0 V to V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature, T
A
–
40 C to 85 C
. . . . . . . . . . . . . . . . . . . .
C
IN
= C
OUT
= 1 F (ceramic)
Maximum ESR of C
OUT
: 0.4
SPECIFICATIONS
Test Conditions Unless Specified
Limits
–
40 to 85 C
Typ
c
Parameter
Symbol
T
A
= 25 C, V
IN
= V
OUT(nom)
+ 1 V, I
OUT
= 1 mA,
C
IN
= 1 F, C
OUT
= 1.0 F, V
SD
= 1.5 V
Temp
a
Min
b
Max
b
Unit
Input Voltage Range
V
IN
Full
2
6
V
Room
Full
Room
Full
–
1.5
–
2.5
–
2.0
–
3.0
1
1
1
1
1.5
2.5
2.0
3.0
V
OUT
1.8 V
Output Voltage Accuracy
1 mA
I
OUT
150 mA
%
V
OUT
= 1.2 V
Line Regulation (V
OUT
3 V)
Full
–
0.06
0.18
Line Regulation
(3.0 V < V
OUT
3.6 V)
V
OUT
V
IN
100
V
OUT(nom)
From V
IN
= V
OUT(nom)
+ 1 V to V
OUT(nom)
+ 2 V
Full
0
0.3
%/V
Line Regulation (5-V Version)
From V
IN
= 5.5 V to 6 V
Full
0
0.4
I
OUT
= 1 mA
Room
Room
Full
Room
Full
Room
Full
Room
Full
Room
Full
Room
Full
Room
Full
Room
Full
Full
1
45
50
130
80
90
180
220
100
120
250
300
150
180
200
230
170
200
200
230
Dropout Voltage
d, g
(V
OUT(nom)
I
OUT
= 50 mA
2.6 V)
V
IN
–
V
OUT
I
OUT
= 150 mA
mV
65
Dropout Voltage
d, g
(V
OUT(nom)
I
OUT
= 50 mA
2.6 V, V
IN
2 V)
190
I
OUT
= 150 mA
100
Ground Pin Current
e, g
(V
OUT(nom)
I
OUT
= 0 mA
3 V)
110
I
OUT
= 150 mA
I
GND
110
A
Ground Pin Current
e, g
(V
OUT(nom)
I
OUT
= 0 mA
3 V)
120
I
OUT
= 150 mA
Peak Output current
I
O(peak)
V
OUT
0.95 x V
OUT(nom)
. t
PW
= 2 ms
300
mA
Output Noise Voltage
e
N
V
OUT
= 2.6 V, BW = 10 Hz to 100 kHz,
0 mA
I
OUT
150 mA
Room
75
V(rms)
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