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參數(shù)資料
| 型號： | SI91821DB |
| 廠商： | Vishay Intertechnology,Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Micropower 300-mA CMOS LDO Regulator With Error Flag |
| 中文描述： | 微300毫安的CMOS LDO穩(wěn)壓器國旗錯誤 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 136K |
| 代理商： | SI91821DB |
Si91821
Vishay Siliconix
www.vishay.com
2
Document Number: 71614
S-51147–Rev. E, 20-Jun-05
ABSOLUTE MAXIMUM RATINGS
Input Voltage, V
IN
SD Input Voltage, V
SD
Output Current, I
OUT
Output Voltage, V
OUT
Maximum Junction Temperature, T
J(max)
Storage Temperature, T
STG
ESD (Human Body Model)
6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.3 V to V
IN
Short Circuit Protected
0.3 V to V
O(nom)
+ 0.3 V
150 C
55 C to 150 C
2 kV
Power Dissipation (Package)
a
8-Pin MSOP
b
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Impedance (
8-Pin MSOP
b
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes
a.
Device mounted with all leads soldered or welded to PC board.
b.
Derate 10 mW/ C above T
A
= 25 C
666 mW
JA
)
a
185 C/W
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
Output Voltage, V
OUT
SD Input Voltage, V
SD
2.35 V to 6 V
1.5 to 5.0 V
0 V to V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
OUT
Operating Ambient Temperature, T
A
Operating Junction Temperature, T
J
0 to 300 mA
40 C to 85 C
40 C to 125 C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
C
IN
= 2.2 F, C
OUT
= 2.2 F (ceramic, X5R or X7R type) , C
NOISE
= 0.033 F (ceramic)
C
OUT
Range = 1 F to 10 F (
10%, x5R or x7R type)
C
IN
C
OUT
SPECIFICATIONS
Test Conditions
Unless Otherwise Specified
V V
= V
OUT(nom)
+ 1 V, I
OUT
= 1 mA
C
IN
= 2.2 F, C
OUT
= 2.2 F, V
SD
= 1.5 V
1 V I
1 A
Limits
40 to 85 C
Parameter
Symbol
Temp
a
Min
b
Typ
c
Max
b
Unit
Input Voltage
V
IN
V
OUT
2.35
6.0
V
Output Voltage
Adjustable Version
Full
1.5
5.0
Output Voltage Accuracy
(to stated output voltage)
V
OUT
1 mA
I
OUT
300 mA
Room
1.5
1.5
%
Full
2.5
2.5
V
OUT(nom)
Feedback Voltage (ADJ Version)
V
SET
Room
1.191
1.215
1.239
V
Full
1.179
1.251
Line Regulation
(Except 5-V Version)
V
OUT
100
From V
IN
= V
OUT(nom)
+ 1 V
to V
OUT(nom)
From V
IN
= 5.5 V to 6 V
V
OUT
= 1.5 V From V
IN
= 2.5 V to 3.5 V
V
OUT
= 5 V From V
IN
= 5.5 V to 6 V
I
OUT
= 10 mA
I
OUT
= 200 mA
I
OUT
= 300 mA
I
OUT
= 0 mA
I
OUT
= 200 mA
I
OUT
= 300 mA
V
SD
= 0 V
V
OUT
0.95 x V
OUT(nom)
, t
pw
= 2 ms
Full
0.18
0.18
Line Regulation (5-V Version)
V
IN
V
OUT(nom)
Full
0.18
0.18
%/V
Line Regulation (ADJ Version)
Full
0.18
0.18
Full
0.18
0.18
Room
5
20
Dropout Voltage
d
V
V
IN
Full
80
135
mV
OUT
Full
120
200
Full
150
270
Ground Pin Current
I
GND
Room
500
A
Room
600
Shutdown Supply Current
I
IN(off)
I
O(peak)
Room
0.1
1
Peak Output Current
Room
500
mA
BW = 10 Hz to 100 kHz
I
OUT
= 150 mA
w/o C
NOISE
C
NOISE
= 0.1 F
Room
260
Output Noise Voltage
e
N
Room
37
V (rms)
BW = 10 to 100 kHz
I
OUT
= 10 mA
C
NOISE
= 33 nF
Room
54
f = 1 kHz
Room
60
Ripple Rejection
V
/ V
OUT
I
= 150 mA
OUT
f = 10 kHz
Room
50
dB
IN
f = 100 kHz
Room
40
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PDF描述 |
|---|---|
| Si91821DH-25-T1-E3 | Micropower 300-mA CMOS LDO Regulator With Error Flag |
| Si91821DH-28-T1 | Micropower 300-mA CMOS LDO Regulator With Error Flag |
| Si91821DH-28-T1-E3 | Micropower 300-mA CMOS LDO Regulator With Error Flag |
| Si91821DH-30-T1 | Micropower 300-mA CMOS LDO Regulator With Error Flag |
| Si91821DH-30-T1-E3 | Micropower 300-mA CMOS LDO Regulator With Error Flag |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SI91821DH-18-T1 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Micropower 300-mA CMOS LDO Regulator With Error Flag |
| SI91821DH-18-T1-E3 | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA 1.8V CMOS LDO w/Error Flag RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SI91821DH-25-T1 | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA 2.5V CMOS LDO w/Error Flag RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SI91821DH-25-T1-E3 | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA 2.5V CMOS LDO w/Error Flag RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SI91821DH-277-E3 | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA 2.77V CMOS LDO w/Error Flag RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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