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參數(shù)資料
| 型號(hào)： | LT1529CT-3.3 |
| 廠(chǎng)商： | LINEAR TECHNOLOGY CORP |
| 元件分類(lèi)： | 基準(zhǔn)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： | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.95 V DROPOUT, PSFM5 |
| 封裝： | PLASTIC, TO-220, 5 PIN |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 139K |
| 代理商： | LT1529CT-3.3 |
7
LT1529
LT1529-3.3/LT1529-5
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
PI FU
OUTPUT (Pin 1):
OUTPUT Pin. 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
required to optimize transient response for large load
current deltas. See the Applications Information section
for further information on output capacitance and reverse
output characteristics.
SENSE (Pin 2):
SENSE Pin. For fixed voltage versions of
the LT1529 (LT1529-3.3, LT1529-5) 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 Connec-
tion). 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 15
μ
A at the nominal regulated
output voltage. This pin is internally clamped to –0.6V
(one V
BE
).
ADJ (Pin 2):
Adjust Pin. For the LT1529 (adjustable
version) the ADJ pin is the input to the error amplifier. This
U
+
V
IN
IN
1
2
3
LT1529 F01
5
4
OUTPUT
LT1529-5
SENSE
GND
R
P
SHDN
LOAD
+
R
P
Figure 1. Kelvin Sense Connection
pin is internally clamped to 6V and –0.6V (one V
BE
). This
pin has a bias current of 150nA which flows into the pin.
See Bias Current curve in the Typical Performance Char-
acteristics. The ADJ pin reference voltage is equal to 3.75V
referenced to ground.
SHDN (Pin 4):
Shutdown Pin. This pin is used to put the
device into shutdown. In shutdown the output of the
device is turned off. This pin is active low. The device will
be shut down if the SHDN pin is actively pulled low. The
SHDN pin current with the pin pulled to ground will be 6
μ
A.
The SHDN pin is internally clamped to 7V and –0.6V (one
V
BE
). This allows the SHDN pin to be driven directly by 5V
logic or by open-collector logic with a pull-up resistor. The
pull-up resistor is only required to supply the leakage
current of the open-collector gate, normally several mi-
croamperes. Pull-up current must be limited to a maxi-
mum of 5mA. A curve of SHDN pin input current as a
Load Regulation
TEMPERATURE (
°
C)
–50
L
–5
0
5
25
75
LT1529 G28
–10
–15
–25
0
50
100
125
–20
–25
LT1529-5
LT1529-3.3
LT1529
V
IN
= V
(NOMINAL) + 1V
I
LOAD
= 100mA to 3A
V
ADJ
= V
OUT
TIME (
μ
s)
0
O
D
L
–0.1
0.1
160
LT1529 G30
2
–0.2
0
0.2
3
1
40
80
120
20
180
60
100
140
200
V
IN
= 6V
C
IN
= 10
μ
F TANT
C
OUT
= 4.7
μ
F TANT
LT1529-5 Transient Response
TIME (
μ
s)
0
O
D
L
–0.1
0.1
800
LT1529 G29
2
–0.2
0
0.2
3
1
200
400
600
100
900
300
500
700
1000
V
IN
= 6V
C
IN
= 3.3
μ
F TANT
C
OUT
= 47
μ
F TANT
LT1529-5 Transient Response
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1529IT-3.3 | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| LT1529IT-5 | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| LT1534IS-1 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1534-1 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1534CS-1 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1529CT-5 | 功能描述:IC REG LDO 5V 3A TO220 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線(xiàn)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:3V 輸入電壓:2.3 V ~ 5.5 V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.035V @ 150mA 穩(wěn)壓器數(shù)量:2 電流 - 輸出:150mA 電流 - 限制（最?。?300mA 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:6-UFDFN 裸露焊盤(pán)，6-TMLF? 供應(yīng)商設(shè)備封裝:6-TMLF?（1.6x1.6） 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1104 (CN2011-ZH PDF) 其它名稱(chēng):576-3018-6 |
| LT1529CT-5#06PBF | 功能描述:IC REG LDO 5V 3A TO220-5 RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線(xiàn)性 系列:- 標(biāo)準(zhǔn)包裝:3,000 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)）:0.12V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA（最小值） 電流 - 限制（最?。?220mA 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR) 其它名稱(chēng):ADP160AUJZ-3.0-R7TR |
| LT1529CT-5#30PBF | 制造商:Linear Technology 功能描述:Regulator 制造商:Linear Technology 功能描述:IC REG LDO 5V 3A TO220-5 |
| LT1529CT5#PBF | 制造商:Linear Technology 功能描述:LT1529CT5#PBF |
| LT1529CT-5#PBF | 功能描述:IC REG LDO 5V 3A TO220 RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線(xiàn)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(lèi)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(chēng):296-24390-1 |
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