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參數(shù)資料
| 型號(hào)： | LT1112ACJ8 |
| 英文描述： | Voltage-Feedback Operational Amplifier |
| 中文描述： | 電壓反饋運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 196K |
| 代理商： | LT1112ACJ8 |
5
LT1117/LT1117-2.85
LT1117-3.3/LT1117-5
The LT1117 family of 3-terminal regulators are easy to
use. They are protected against short circuit and thermal
overloads. Thermal protection circuitry will shut down the
regulator should the junction temperature exceed 165
°
C
at the sense point. These regulators are pin compatible
with older 3-terminal adjustable regulators, offer lower
dropout voltage and more precise reference tolerance.
Reference stability over temperature is improved over
older types of regulators.
Stability
The LT1117 family of regulators requires an output ca-
pacitor as part of the device frequency compensation. A
minimum of 10
μ
F of tantalum or 50
μ
F of aluminum
electrolytic is required. The ESR of the output capacitor
should be less than 0.5
. Surface mount tantalum capaci-
tors, which have very low ESR, are available from several
manufacturers.
When using the LT1117 adjustable device the adjust
terminal can be bypassed to improve ripple rejection.
When the adjust terminal is bypassed the required value of
the output capacitor increases. The device will require an
output capacitor of 22
μ
F tantalum or 150
μ
F aluminum
electrolytic when the adjust pin is bypassed.
Normally, capacitor values on the order of 100
μ
F are used
in the output of many regulators to ensure good load
transient response with large load current changes. Out-
put capacitance can be increased without limit and larger
values of output capacitance further improve stability and
transient response.
Protection Diodes
In normal operation, the LT1117 family does not need any
protection diodes. Older adjustable regulators required
protection diodes between the adjust pin and the output
and between the output and input to prevent over stress-
ing the die. The internal current paths on the LT1117 adjust
pin are limited by internal resistors. Therefore, even with
capacitors on the adjust pin, no protection diode is needed
to ensure device safety under short-circuit conditions.
LT1117 BD01
–
+
THERMAL
LIMIT
OUT
IN
ADJ
GND
FOR FIXED VOLTAGE DEVICE
BLOCK DIAGRA
APPLICATIOU
U
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1112CJ8 | Voltage-Feedback Operational Amplifier |
| LT1114ACJ | Voltage-Feedback Operational Amplifier |
| LT1114CJ | Voltage-Feedback Operational Amplifier |
| LT1115CSW | Operational Amplifier |
| LT111J8 | Voltage Comparator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1112ACN8 | 功能描述:IC PREC OP-AMP LOWPWR DUAL 8-DIP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
| LT1112ACN8#PBF | 功能描述:IC PREC OP-AMP LOWPWR DUAL 8-DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| LT1112AM | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual/Quad Low Power Precision, Picoamp Input Op Amps |
| LT1112AMJ8 | 制造商:Linear Technology 功能描述:OP Amp Dual GP ±20V 8-Pin CDIP |
| LT1112C | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual/Quad Low Power Precision, Picoamp Input Op Amps |
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