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參數(shù)資料
| 型號(hào)： | LT1962EMS8-2.5 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 300mA, Low Noise, Micropower LDO Regulators |
| 中文描述： | 2.5 V FIXED POSITIVE LDO REGULATOR, 0.43 V DROPOUT, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 138K |
| 代理商： | LT1962EMS8-2.5 |
3
LT1962 Series
Dropout Voltage
V
IN
= V
OUT(NOMINAL)
(Notes 6, 7)
I
LOAD
= 10mA
I
LOAD
= 10mA
I
LOAD
= 50mA
I
LOAD
= 50mA
I
LOAD
= 100mA
I
LOAD
= 100mA
I
LOAD
= 300mA
I
LOAD
= 300mA
I
LOAD
= 0mA
I
LOAD
= 1mA
I
LOAD
= 50mA
I
LOAD
= 100mA
I
LOAD
= 300mA
C
OUT
= 10
μ
F, C
BYP
= 0.01
μ
F, I
LOAD
= 300mA, BW = 10Hz to 100kHz
(Notes 4, 9)
V
OUT
= Off to On
V
OUT
= On to Off
V
SHDN
= 0V
V
SHDN
= 20V
V
IN
= 6V, V
SHDN
= 0V
V
IN
– V
OUT
= 1.5V (Avg), V
RIPPLE
= 0.5V
P-P
, f
RIPPLE
= 120Hz,
I
LOAD
= 300mA
V
IN
= 7V, V
OUT
= 0V
V
IN
= V
OUT(NOMINAL)
+ 1V,
V
OUT
= –0.1V
V
IN
= –20V, V
OUT
= 0V
LT1962-2.5
V
OUT
= 2.5V, V
IN
< 2.5V
LT1962-3
V
OUT
= 3V, V
IN
< 3V
LT1962-3.3
V
OUT
= 3.3V, V
IN
< 3.3V
LT1962-5
V
OUT
= 5V, V
IN
< 5V
LT1962 (Note 4)
V
OUT
= 1.22V, V
IN
< 1.22V
0.10
0.15
0.21
0.20
0.28
0.24
0.33
0.33
0.43
75
120
1.6
3
12
V
V
V
V
V
V
V
V
G
0.15
G
0.18
G
0.27
G
GND Pin Current
V
IN
= V
OUT(NOMINAL)
(Notes 6, 8)
G
G
G
G
G
30
65
1.1
2
8
20
30
0.8
0.65
0.01
1
0.1
65
μ
A
μ
A
mA
mA
mA
Output Voltage Noise
ADJ Pin Bias Current
Shutdown Threshold
μ
V
RMS
100
2
nA
V
V
μ
A
μ
A
μ
A
dB
G
G
0.25
SHDN Pin Current
(Note 10)
Quiescent Current in Shutdown
Ripple Rejection
0.5
5
1
55
Current Limit
700
mA
mA
mA
μ
A
μ
A
μ
A
μ
A
μ
A
G
320
Input Reverse Leakage Current
Reverse Output Current
(Note 11)
G
1
10
10
10
10
5
20
20
20
20
10
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25
°
C. (Note 2)
Note 6:
To satisfy requirements for minimum input voltage, the LT1962
(adjustable version) is tested and specified for these conditions with an
external resistor divider (two 250k resistors) for an output voltage of
2.44V. The external resistor divider will add a 5
μ
A DC load on the output.
Note 7:
Dropout voltage is the minimum input to output voltage differential
needed to maintain regulation at a specified output current. In dropout, the
output voltage will be equal to: V
IN
– V
DROPOUT
.
Note 8:
GND pin current is tested with V
IN
= V
OUT(NOMINAL)
and a current
source load. This means the device is tested while operating in its dropout
region. This is the worst-case GND pin current. The GND pin current will
decrease slightly at higher input voltages.
Note 9:
ADJ pin bias current flows into the ADJ pin.
Note 10:
SHDN pin current flows into the SHDN pin. This current is
included in the specification for GND pin current.
Note 11:
Reverse output current is tested with the IN pin grounded and the
OUT pin forced to the rated output voltage. This current flows into the OUT
pin and out the GND pin.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
Absolute maximum input to output differential voltage can not be
achieved with all combinations of rated IN pin and OUT pin voltages. With
the IN pin at 20V, the OUT pin may not be pulled below 0V. The total
measured voltage from in to out can not exceed
±
20V.
Note 3:
The LT1962 regulators are tested and specified under pulse load
conditions such that T
J
≈
T
A
. The LT1962 is 100% tested at T
A
= 25
°
C.
Performance at –40
°
C and 125
°
C is assured by design, characterization
and correlation with statistical process controls.
Note 4:
The LT1962 (adjustable version) is tested and specified for these
conditions with the ADJ pin connected to the OUT pin.
Note 5:
Operating conditions are limited by maximum junction
temperature. The regulated output voltage specification will not apply for
all possible combinations of input voltage and output current. When
operating at maximum input voltage, the output current range must be
limited. When operating at maximum output current, the input voltage
range must be limited.
ELECTRICAL CHARACTERISTICS
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| LT1962EMS83 | 制造商:LTC 功能描述: |
| LT1962EMS8-3 | 功能描述:IC REG LDO 3V .3A 8-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:More Information on LDOs 標(biāo)準(zhǔn)包裝:50 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.3V 輸入電壓:最高 15V 電壓 - 壓降（標(biāo)準(zhǔn)）:1.1V @ 800mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:800mA 電流 - 限制（最?。?800mA 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-4，D²Pak（3 引線+接片），TO-263AA 供應(yīng)商設(shè)備封裝:D2PAK-3 包裝:管件 |
| LT1962EMS8-3#PBF | 功能描述:IC REG LDO 3V .3A 8-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:MIC5365/66 Ultra-small LDO Regulators 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.155V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最?。?200mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:4-UDFN 裸露焊盤，4-TMLF? 供應(yīng)商設(shè)備封裝:4-TMLF?（1x1） 包裝:Digi-Reel® 其它名稱:576-3192-6 |
| LT1962EMS8-3#PBF | 制造商:Linear Technology 功能描述:IC VOLT REG FIXED +3V BIPOLAR TSSO 制造商:Linear Technology 功能描述:IC, ADJ LDO REG 1.22V TO 20V 0.3A MSOP-8 |
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