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參數(shù)資料
| 型號(hào)： | LK112SM29TR |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION |
| 中文描述： | 低噪聲低的關(guān)斷功能降穩(wěn)壓器 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 427K |
| 代理商： | LK112SM29TR |
LK112S SERIES
2/11
ABSOLUTE MAXIMUM RATINGS
CONNECTION DIAGRAM
(top view)
PIN DESCRIPTION
ELECTRICAL CHARACTERISTICS FOR LK112
(T
j
= 25°C, V
IN
=V
OUT
+1V (see Note 1), I
OUT
=0mA,
V
SHDN
=1.8V, C
I
= 1
μ
F, C
O
= 2.2
μ
F, C
BYPASS
= 0.1
μ
F unless otherwise specified)
Note 1: for version with output voltage less than 2V V
=2.4V
Note 2: only for version with output voltage more than 2.1V
Symbol
Parameter2
Value
Unit
V
I
DC Input Voltage
Shutdown Input Voltage
Output Current
Storage Temperature Range
Operating Junction Temperature Range
16
16
V
V
V
SHDN
I
O
T
stg
T
op
Internally limited
-55 to +150
-30 to +80
°C
°C
SOT23-5L
Pin N° Symbol
Name and Function
1
SHDN
Shutdown Input: Disables the
regulator when is connected to GND
or to positive voltage less than 0.6V
Ground Pin: Internally connected to
the die attach flag to decrease the
total thermal resistance and increase
the package ability to dissipate
power.
Bypass Bypass Pin: Bypass with 0.1
μ
F to
improve the Vref thermal noise
performances.
OUT
Output Port
IN
Input Port
2
GND
3
4
5
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
μ
A
μ
A
I
d
Quiescent Current
ON MODE (except I
SHDN
)
OFF MODE V
I
= 8V
I
O
= 30mA
V
I
= V
O
+1V to V
O
+6V,
V
I
= V
O
+1V to V
O
+6V,
I
O
= 1 to 60mA
I
O
= 1 to 200mA
I
O
= 60 mA (see Note 2)
I
O
= 200 mA (see Note 2)
175
0
250
0.1
V
SHDN
= 0V
V
O
V
O
Output Voltage
Line Regulation
(see table)
0.7
0.8
15
30
0.17
0.35
V
O
≤
5.6V
V
O
>
5.6V
20
40
30
90
0.24
0.5
mV
mV
mV
mV
V
V
mA
dB
V
O
Load Regulation
V
d
Dropout Voltage
I
SC
SVR
Short Circuit Current
Supply Voltage Rejection
200
V
I
= V
O
+1.5V
C
O
= 10
μ
F
B= 10Hz to 80KHz C
BYP
= 0.1
μ
F
C
O
= 10
μ
F
V
I
= V
O
+1.5V,I
O
= 60mA
V
SHDN
= 1.8V
Output ON
Output OFF
I
O
= 10mA
C
BYP
= 0.1
μ
F
f = 400Hz
I
O
= 30mA
55
eN
Output Noise Voltage
30
μ
Vrms
I
SHDN
V
SHDN
Shutdown Input Current
Shutdown Input Logic
Output ON
12
35
μ
A
V
V
1.8
0.6
V
O
/T
j
Output Voltage
Temperature Coefficient
0.09
mV/°C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LK112SM30TR | 功能描述:低壓差穩(wěn)壓器 - LDO 3.0V 200mA Linear 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LK112SM31TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low noise low drop voltage regulator with shutdown function |
| LK112SM32TR | 功能描述:低壓差穩(wěn)壓器 - LDO 3.2V 200mA Linear 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LK112SM33TR | 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V 200mA Linear 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LK112SM34TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION |
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