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參數(shù)資料
| 型號(hào)： | LT1115CSW |
| 元件分類： | 運(yùn)算放大器 |
| 英文描述： | Operational Amplifier |
| 中文描述： | 運(yùn)算放大器 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 196K |
| 代理商： | LT1115CSW |
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 |
|---|---|
| LT111J8 | Voltage Comparator |
| LT111AH | Octal Buffers/Drivers With 3-State Outputs 20-SSOP 0 to 70 |
| LT111AJ8 | Octal Buffers/Drivers With 3-State Outputs 20-SSOP 0 to 70 |
| LT1117 | 800mA Low Dropout Positive Regulators(800mA，低壓差可調(diào)正輸出穩(wěn)壓器) |
| LT1117-3.3 | 800mA Low Dropout Positive Regulators Adjustable and Fixed 3.3V(800mA，低壓差固定（3.3V）正輸出穩(wěn)壓器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1115CSW#PBF | 功能描述:IC OPAMP AUDIO MONO AB 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°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:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LT1115CSW#TR | 功能描述:IC OPAMP AUDIO MONO AB 16SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°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:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LT1115CSW#TRPBF | 功能描述:IC OPAMP AUDIO MONO AB 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°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:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LT1116 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:4ns, 150MHz Dual Comparator with Independent Input/Output Supplies |
| LT1116_06 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:12ns, Single Supply Ground-Sensing Comparator |
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