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參數(shù)資料
| 型號(hào)： | LT1763-2.5 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 500mA, Low Noise, LDO Micropower Regulators(2.5V輸出，5000mA,低噪聲，低壓差穩(wěn)壓器) |
| 中文描述： | 500mA的，低噪聲，LDO的微功耗穩(wěn)壓器（2.5V的輸出，五零零零毫安，低噪聲，低壓差穩(wěn)壓器） |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大?。?/td> | 228K |
| 代理商： | LT1763-2.5 |
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10
LT1763 Series
ADJ (Pin 2):
Adjust. For the adjustable LT1763, this is the
input to the error amplifier. This pin is internally clamped
to
±
7V. It has a bias current of 30nA which flows into the
pin (see curve of ADJ Pin Bias Current vs Temperature in
the Typical Performance Characteristics section). The ADJ
pin voltage is 1.22V referenced to ground and the output
voltage range is 1.22V to 20V.
BYP (Pin 4):
Bypass. The BYP pin is used to bypass the
reference of the LT1763 regulators to achieve low noise
performance from the regulator. The BYP pin is clamped
internally to
±
0.6V (one V
BE
). A small capacitor from the
output to this pin will bypass the reference to lower the
output voltage noise. A maximum value of 0.01
μ
F can be
OUT (Pin 1):
Output. The output supplies power to the
load. A minimum output capacitor of 3.3
μ
F is required to
prevent oscillations. Larger output capacitors will be
required for applications with large transient loads to limit
peak voltage transients. See the Applications Information
section for more information on output capacitance and
reverse output characteristics.
SENSE (Pin 2):
Output Sense. For fixed voltage versions
of the LT1763 (LT1763-2.5/LT1763-3/LT1763-3.3/
LT1763-5), the SENSE pin is the input to the error ampli-
fier. Optimum regulation will be obtained at the point
where the SENSE pin is connected to the OUT pin of the
regulator. In critical applications, small voltage drops are
caused by the resistance (R
P
) of PC traces between the
regulator and the load. These may be eliminated by con-
necting the SENSE pin to the output at the load as shown
in Figure 1 (Kelvin Sense Connection). Note that the
voltage drop across the external PC traces will add to the
dropout voltage of the regulator. The SENSE pin bias
current is 10
μ
A at the nominal rated output voltage. The
SENSE pin can be pulled below ground (as in a dual supply
system where the regulator load is returned to a negative
supply) and still allow the device to start and operate.
PI
FU
CTIO
N
S
U
U
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
LT1763-5
Transient Response
C
BYP
= 0
LT1763-5
Transient Response
C
BYP
= 0.01
μ
F
TIME (
μ
s)
0.4
0.2
0
–0.2
–0.4
O
D
600
400
200
0
L
(
1763 G48
0
200
400
600
800
1000
V
IN
= 6V
C
IN
= 10
μ
F
C
OUT
= 10
μ
F
TIME (
μ
s)
0.10
0.05
0
–0.05
–0.10
O
D
600
400
200
0
L
(
1763 G49
0
20
30
50
70
90
10
40
60
80
100
V
IN
= 6V
C
IN
= 10
μ
F
C
OUT
= 10
μ
F
Figure 1. Kelvin Sense Connection
IN
SHDN
1763 F01
R
P
OUT
V
IN
SENSE
GND
3
LT1763
R
P
2
1
5
8
+
+
LOAD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1763-3.3 | 制造商:Linear Technology 功能描述: |
| LT176333 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LT1763CDE | 制造商:Linear Technology 功能描述:LDO Regulator Pos 1.22V to 20V 0.5A 12-Pin DFN EP |
| LT1763CDE#PBF | 功能描述:IC REG LDO ADJ .5A 12-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 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:8V 輸入電壓:10.5 V ~ 23 V 電壓 - 壓降（標(biāo)準(zhǔn)）:1.7V @ 40mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:100mA（最小值） 電流 - 限制（最?。?- 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:1075 (CN2011-ZH PDF) 其它名稱:296-24390-1 |
| LT1763CDE#TR | 制造商:Linear Technology 功能描述:SP-LINREG, 500mA L/Noise LDO uP |
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