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參數(shù)資料
| 型號： | LT1528CT |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.85 V DROPOUT, PSFM5 |
| 封裝： | PLASTIC, TO-220, 5 PIN |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 248K |
| 代理商： | LT1528CT |
6
LT1528
TYPICAL PERFOR
M
A
N
CE CHARACTERISTICS
Ripple Rejection
Load Regulation
Transient Response
Transient Response
PI
FU
CTIO
N
S
U
U
OUTPUT (Pin 1):
The Output pin supplies power to the
load. A minimum output capacitor of 3.3
μ
F is required to
prevent oscillations. Larger values will be needed to achieve
the transient performance required by high speed micro-
processors. See the Applications Information section for
more on output capacitance and reverse output character-
istics.
SENSE (Pin 2):
The Sense pin is the input to the error
amplifier. Optimum regulation will be obtained at the point
where the Sense pin is connected to the Output pin. For
most applications the Sense pin is connected directly to
the Output pin at the regulator. In critical applications small
voltage drops caused by the resistance (R
P
) of PC traces
between the regulator and the load, which would normally
degrade regulation, may be eliminated by connecting the
Sense pin to the Output pin 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
150
μ
A at the nominal regulated output voltage. See Sense
Pin Current vs Temperature in the Typical Performance
Characteristics section. This pin is internally clamped to
–0.6V (one V
BE
).
The Sense pin can also be used with a resistor divider to
achieve output voltages above 3.3V. See the Applications
Information section for information on adjustable operation.
FREQUENCY (Hz)
20
R
30
50
70
80
10
1k
10k
1M
LT1528 TPC19
10
100
100k
60
40
0
I
OUT
= 1.5A
V
IN
= 6V + 50mV
RMS
RIPPLE
C
= 4
×
47
μ
F
SOLID TANTALUM
C
= 47
μ
F
SOLID TANTALUM
TEMPERATURE (
°
C)
–50
L
0
–5
–10
–15
–20
–25
–30
25
75
LT1528 TPC20
–25
0
50
100
125
V
IN
= V
OUT
(NOMINAL) + 1V
LOAD
= 1mA TO 3A
TIME (
μ
s)
0
O
D
L
100
50
0
–50
–100
3
2
1
0
160
LT1528 TPC22
40
20
60
100
140
180
80
120
200
V
IN
= 5V
C
IN
= 3.3
μ
F
C
OUT
= 4
×
47
μ
F
TIME (
μ
s)
0
O
D
L
100
50
0
–50
–100
3
2
1
0
160
LT1528 TPC21
40
20
60
100
140
180
80
120
200
V
IN
= 5V
C
IN
= 3.3
μ
F
C
OUT
= 47
μ
F
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LT1528CT#PBF | 功能描述:IC REG LDO 3.3V/ADJ 3A TO220-5 RoHS:是 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(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（標準）: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） 供應商設備封裝:8-SOIC 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:1075 (CN2011-ZH PDF) 其它名稱:296-24390-1 |
| LT1528CTPBF | 制造商:Linear Technology 功能描述:LDO Regulator 3.3V 3A Fast TO220-5 |
| LT1529 | 制造商:Linear Technology 功能描述: |
| LT1529-3.3 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown |
| LT1529-5 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown |
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