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參數(shù)資料
| 型號： | LTC3026 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 1.5A Low Input Voltage VLDO Linear Regulator |
| 中文描述： | 1.5A的低輸入電壓VLDO線性穩(wěn)壓器 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 201K |
| 代理商： | LTC3026 |
LTC3026
6
3026f
PIU
IN (Pins 1, 2):
Input Supply Voltage. Output load current
is supplied directly from IN. The IN pin should be locally
bypassed to ground if the LTC3026 is more than a few
inches away from another source of bulk capacitance. In
general, the output impedance of a battery rises with
frequency, so it is usually advisable to include an input
bypass capacitor when supplying IN from a battery. A
capacitor in the range of 0.1
μ
F to 4.7
μ
F is usually suffi-
cient.
GND (Pins 3, 11):
Ground and Heat Sink. Connect to
PCB ground plane or large pad for optimum thermal
performance.
SW (Pin 4):
Boost Switching Pin. This is the boost
converter switching pin. A 4.7
μ
H to 40
μ
H inductor able to
handle a peak current of 150mA is connected from this pin
to V
IN
. The boost converter can be disabled by shorting
this pin to GND. This allows the use of an external boosted
supply from a second LTC3026 or other source.
BST (Pin 5):
Boost Output Voltage Pin. With boost con-
verter enabled bypass the BST pin with a
≥
4.7
μ
F low ESR
ceramic capacitor to GND (C
BST
). BST does not load V
IN
when in shutdown, but is diode connected to IN through
the external inductor, thus, will not go to ground with V
IN
present. Users should not present any loads to the BST pin
(with boost enabled) until PG signals that regulation has
been achieved. When providing an external BST voltage
(i.e. boost converter disabled) a 1
μ
F low ESR ceramic
capacitor can be used.
SHDN (Pin 6):
Shutdown Input Pin, Active Low. This pin
is used to put the LTC3026 into shutdown. The SHDN pin
current is typically less than 10nA. The SHDN pin cannot
be left floating and must be tied to a valid logic level (such
as IN) if not used.
PG (Pin 7):
Power Good Pin. When PG is high impedance
OUT is in regulation, and low impedance when OUT is in
shutdown or out of regulation.
ADJ (Pin 8):
Output Adjust Pin. This is the input to the error
amplifier. It has a typical bias current of 0.1nA flowing into
the pin. The ADJ pin reference voltage is 0.4V referenced
to ground. The output voltage range is 0.4V to 2.6V and is
typically set by connecting ADJ to a resistor divider from
OUT to GND. See Figure 2.
OUT (Pins 9, 10):
Regulated Output Voltage. The OUT pins
supply power to the load. A minimum output capacitance
of 5
μ
F is required to ensure stability. Larger output capaci-
tors may be required for applications with large transient
loads to limit peak voltage transients. See the Applications
Information section for more information on output
capacitance.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3026_1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.5A Low Input Voltage VLDO Linear Regulator |
| LTC3026_1208 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.5A Low Input Voltage VLDO Linear Regulator |
| LTC3026EDD | 制造商:Linear Technology 功能描述:LDO Regulator Pos 0.4V to 2.6V 1.5A 10-Pin DFN EP |
| LTC3026EDD#PBF | 功能描述:IC REG LDO ADJ 1.5A 10-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)品目錄頁面:1075 (CN2011-ZH PDF) 其它名稱:296-24390-1 |
| LTC3026EDD#PBF | 制造商:Linear Technology 功能描述:Linear Voltage Regulator IC 制造商:Linear Technology 功能描述:IC, ADJ LDO REG 0.4V TO 2.6V 1.5A DFN-10 |
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