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參數(shù)資料
| 型號： | Si91843DT-26-T1 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | 150-mA Ultra Low-Noise LDO Regulator With Discharge Option |
| 中文描述： | 150mA的超低噪聲LDO穩(wěn)壓器排放的選項(xiàng) |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 121K |
| 代理商： | SI91843DT-26-T1 |
Si91841/3
Vishay Siliconix
Document Number: 71447
S-40592—Rev. C, 29-Mar-04
www.vishay.com
3
SPECIFICATIONS
Limits
40 to 85 C
Temp
a
Test Conditions Unless Specified
V
SD
= 1.5 V
Parameter
Unit
Max
b
Typ
c
Min
b
T
A
= 25 C, V
IN
= V
OUT(nom)
+ 1 V
I
OUT
= 1 mA, C
IN
= 1 F, C
OUT
= 1.0 F
Symbol
Output Noise Voltage
e
N
V
NOM
= 2.6 V, BW = 10 Hz to 100 kHz,
0 mA
I
OUT
150 mA, C
NOISE
= 0.01 F
Room
30
V(rms)
f = 1 kHz
Room
60
Ripple Rejection
V
/ V
OUT
I
= 150 mA
OUT
f = 10 kHz
Room
40
dB
IN
f = 100 kHz
Room
30
Dynamic Line Regulation
V
O(line)
V
IN
: V
OUT(nom)
+ 1 V to V
+ 2 V
r
f
OUT
= 150 mA
I
OUT
: 1 mA to 150 mA, t
r
/t
f
= 2 s
Room
20
mV
Dynamic Load Regulation
V
O(load)
Room
20
Thermal Shutdown Junction
Temperature
T
J(S/D)
Room
150
C
Thermal Hysteresis
T
HYST
I
R
I
SC
Room
20
Reverse current
V
IN
=
6.0 V
V
OUT
= 0 V
Room
1
A
Short Circuit Current
Room
700
mA
Shutdown
Shutdown Supply Current
I
CC(off)
V
SD
= 0 V
Room
0.1
1
A
SD Pin Input Voltage
V
SD
High = Regulator ON (Rising)
Full
1.5
V
IN
0.4
V
Low = Regulator OFF (Falling)
Full
Auto Discharge Resistance
SD Pin Input Current
f
R_DIS
Si91841 Only
Room
100
I
IN(SD)
V
HYST(SD)
t
ON
V
SD
= 1.5 V, V
IN
= 6 V
Room
0.7
A
SD Hysteresis
Full
150
mV
V
OUT
Turn-On Time
V
SD
(See Figure 1), I
LOAD
= 100 nA
50
S
Notes
a.
b.
c.
Room = 25 C, Full =
40 to 85 C.
The algebraic convention whereby the most negative value is a minimum and the most positive a maximum.
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. Typical values for dropout voltage at V
OUT
V
= 3.3 V, while typical values for dropout voltage at V
< 2 V are measured at V
= 1.8 V.
Dropout voltage is defined as the input to output differential voltage at which the output voltage drops 2% below the output voltage measured with a 1-V
differential, provided that V
does not not drop below 2.0 V.
Ground current is specified for normal operation as well as “drop-out” operation.
The device’s shutdown pin includes a typical 2-M internal pull-down resistor connected to ground.
V
OUT(nom)
is V
OUT
when measured with a 1-V differential to V
IN.
2 V are measured at
d.
e.
f.
g.
TIMING WAVEFORMS
FIGURE 1.
Timing Diagram for Power-Up
V
SD
0.95 V
NOM
V
OUT
V
NOM
t
ON
0 V
V
IN
t
r
1 s
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| Si91843DT-27-T1 | 制造商:Vishay Siliconix 功能描述:REG LDO LIN FIX POS 2.7V 0.3A 5PIN SOT-23 - Tape and Reel |
| SI91843DT-285-T1 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:150-mA Ultra Low-Noise LDO Regulator With Discharge Option |
| Si91843DT-28-T1 | 制造商:Vishay Siliconix 功能描述:REG LDO LIN FIX POS 2.8V 0.3A 5PIN SOT-23 - Tape and Reel |
| Si91843DT-29-T1 | 制造商:Vishay Siliconix 功能描述:REG LDO LIN FIX POS 2.9V 0.3A 5PIN SOT-23 - Tape and Reel |
| SI91843DT-30-T1 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:150-mA Ultra Low-Noise LDO Regulator With Discharge Option |
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