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參數(shù)資料
| 型號： | LTC1844-BYP |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 150mA, Micropower, Low Noise, VLDO Linear Regulator |
| 中文描述： | 150mA的，微功耗，低噪聲，VLDO線性穩(wěn)壓器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 209K |
| 代理商： | LTC1844-BYP |
4
LTC1844 Series
1844ia
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= V
OUT
+ 0.5V, unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
I
LIM
Output Current Limit
e
n
Output Voltage Noise
f = 10Hz to 100kHz, C
BP
= 0.1
μ
F, C
OUT
= 1
μ
F, I
L
= 150mA
f = 10Hz to 100kHz, C
BP
= 0.1
μ
F, C
OUT
= 10
μ
F, I
L
= 150mA
V
SHDN
SHDN Input Threshold
t
DELAY
Shutdown Exit Delay
C
BP
= 0.01
μ
F, C
OUT
= 1
μ
F, No load
C
BP
= 0.01
μ
F, C
OUT
= 1
μ
F, No load
T
SHDN
Thermal Shutdown Limit
T
SHDN
Thermal Shutdown Hysteresis
I
ADJ
ADJ Pin Bias Current
(Notes 3, 8)
I
IRL
Input Reverse Leakage Current
LTC1844-3.3, LTC1844-2.8, LTC1844-2.5, LTC1844-1.8,
LTC1844-1.5, V
IN
= –5V, V
OUT
= 0V
LTC1844-BYP, LTC1844-SD, V
IN
= –5V, V
OUT
= 0V
I
ORL
Output Reverse Leakage Current
V
IN
= 0V, V
OUT
= V
OUT(NOMINAL)
(Note 9)
V
IN
= 0V, V
OUT
= V
OUT(NOMINAL)
V
OSH
Start-Up Overshoot
R
L
= 1k, SHDN Rise Time
≤
1
μ
s
V
RP
Output Ripple Rejection
(V
IN
– V
OUT
) = 1V (Avg), V
RIPPLE
= 0.5V
P-P
,
f
RIPPLE
= 120Hz, I
LOAD
= 100mA
The
G
denotes specifications which apply over the full operating
MIN
160
TYP
350
35
30
0.65
70
MAX
UNITS
mA
μ
V
RMS
μ
V
RMS
G
G
0.35
0.9
100
200
V
μ
s
μ
s
°
C
°
C
nA
μ
A
G
155
10
30
200
G
100
500
G
G
1000
0.01
1500
0.1
1.2
μ
A
μ
A
μ
A
G
2
%V
OUT
60
dB
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LTC1844 is tested and specified under pulse load conditions
such that T
J
≈
T
A
. The LTC1844E is guaranteed to meet performance
specifications from 0
°
C to 70
°
C. Specifications over the –40
°
C to 125
°
C
operating junction temperature range are assured by design,
characterization and correlation with statistical process controls.
Note 3:
The LTC1844 adjustable versions are tested and specifed for these
conditions with the ADJ pin connected to the OUT pin for a V
OUT(NOMINAL)
of 1.252V.
Note 4:
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.
Note 5:
The LTC1844’s high precision degrades slightly at high
temperatures (T
J
> 70
°
C) with input voltages below 2.2V. The lower output
voltage versions have been split into higher and lower accuracy input
voltage ranges to reflect this.
Note 6:
To ensure adequate input supply voltage, the LTC1844 adjustable
versions are tested and specified for these conditions with an external
resistor divider (two 100k resistors) for an output voltage of 2.504V. The
external resistor divider will add a 5
μ
A load on the output.
Note 7:
Dropout voltage is (V
IN
– V
OUT
) when V
OUT
falls to 100mV below
its nominal value measured at V
IN
= V
OUT
+ 0.5V. For example, the
LTC1844-3.3 is tested by measuring the V
OUT
at V
IN
= 3.8V, then V
IN
is
lowered until V
OUT
falls 100mV below the measured value. The difference
(V
IN
– V
OUT
) is then measured and defined as
V
DO
.
Note 8:
ADJ pin bias current flows into the ADJ pin.
Note 9:
Output reverse leakage current is tested with the IN pin grounded
and the OUT pin forced to the rated output voltage.
Note 10:
This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. Junction
temperature will exceed 125
°
C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1844ES5-1.5#PBF | 制造商:Linear Technology 功能描述:LDO Regulator Pos 1.5V 0.15A 5-Pin TSOT-23 制造商:Linear Technology 功能描述:LDO 0.35VDO 0.15A 1.5V 5TSOT23 制造商:Linear Technology 功能描述:LDO, 0.35VDO, 0.15A, 1.5V, 5TSOT23 制造商:Linear Technology 功能描述:DP-LINREG, CUT TAPE 1.5V, Micropower, Low Noise VLDO 制造商:Linear Technology 功能描述:LDO, FIXED, 1.5V, 150mA, TSOT-23-5, Input Voltage Min:1.6V, Input Voltage Max:6.5V, Output Current:150mA, Dropout Voltage Vdo:350mV, No. of Pins:5, Operating Temperature Min:-40C, Operating Temperature Max:125C , RoHS Compliant: Yes |
| LTC1844ES5-1.5#TR | 功能描述:IC REG LDO 1.5V .15A TSOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:1 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:3.3V 輸入電壓:2.5 V ~ 5.5 V 電壓 - 壓降（標準）:0.1V @ 200mA 穩(wěn)壓器數(shù)量:2 電流 - 輸出:300mA 電流 - 限制（最?。?350mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-UFQFN 供應商設備封裝:8-MLPQ-UT（1.5x1.5） 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:1358 (CN2011-ZH PDF) 其它名稱:SC560HULCT |
| LTC1844ES5-1.5#TRM | 功能描述:IC REG LDO 1.5V .15A TSOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:1 系列:anyCAP® 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:3.3V 輸入電壓:最高 6V 電壓 - 壓降（標準）:0.23V @ 1.5A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:1.5A 電流 - 限制（最小）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:TO-261-4，TO-261AA 供應商設備封裝:SOT-223-3 包裝:Digi-Reel® 其它名稱:ADP3339AKCZ-3.3-RLDKR |
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