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參數(shù)資料
| 型號： | TC1305R-DVUN |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT06; Number of Contacts:10; Connector Shell Size:12; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Body Style:Straight |
| 中文描述： | 雙150mA的CMOS低壓與選擇模式⑩行動，關(guān)閉和獨立RESET輸出 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大小： | 530K |
| 代理商： | TC1305R-DVUN |
2002 Microchip Technology Inc.
DS21526A-page 5
TC1305
3.0
DETAILED DESCRIPTION
The TC1305 is a precision fixed output voltage
regulator that contains two fully independent 150mA
regulator outputs. The
device
shutdown modes for low-power operation, and a
common bypass pin that can be used to further reduce
output noise. The Select Mode
operation allows the
user to select V
OUT1
and V
OUT2
from three different
values (2.5V, 2.8V, 3.0V), therefore providing high
design flexibility. The CMOS construction of the
TC1305 results to a very low supply current, which
does not increase with load changes. In addition, V
OUT
remains stable and within regulation at no load
currents.
features
separate
The TC1305 also features an integrated microproces-
sor supervisor that monitors power-up, power-down,
and brown-out conditions. The active low RESET
signal is asserted when the detected voltage V
DET
falls
below the reset voltage threshold (2.63V). The RESET
output remains low for 300msec (typical) after V
DET
rises above the reset threshold. The RESET output of
the TC1305 is ensured valid down to V
DET
= 1V and is
optimized to reject fast transient glitches on the
monitored power supply line.
4.0
TYPICAL APPLICATIONS
4.1
Input and Output Capacitor
The TC1305 is stable with a wide range of capacitor
values and types. A capacitor with a minimum value of
1
μ
F from V
OUT
to Ground is required. The output
capacitor should have an effective series resistance
(ESR) of 0.1
to 10
for a 1
μ
F capacitor and 0.01
to
10
for a 10
μ
F capacitor. A 1
μ
F capacitor should be
connected from the V
IN
to GND if there is more than 10
inches of wire between the regulator and the AC filter
capacitor, or if a battery is used as the power source.
Aluminum electrolytic or tantalum capacitor types can
be used. (Since many aluminum electrolytic capacitors
freeze at approximately -30°C, solid tantalums are
recommended for applications operating below -20°C).
When operating from sources other than batteries,
supply-noise rejection and transient response can be
improved by increasing the value of the input and
output capacitors and employing passive filtering
techniques.
4.2
Bypass Capacitor
A 0.01
μ
F capacitor connected from the bypass input to
ground
reduces
noise
present
reference, which in turn significantly reduces output
noise. If output noise is not a concern, this input may be
left unconnected.
on
the
internal
Larger capacitor values may be used, but result in a
longer time period to rated output voltage when power
is initially applied.
4.3
Shutdown Mode
Applying a logic high to each of the shutdown pins turns
on the corresponding output. Each regulator enters
shutdown mode when a logic low is applied in the
corresponding input. During shutdown mode, the out-
put voltage falls to zero, and regulator supply current is
reduced to 0.5
μ
A (max). If shutdown mode is not
necessary, the pins should be connected to V
IN
.
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|---|---|
| TC1305R-DVUNTR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual LDO w/ Sdn RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1306R-BDVUA | 功能描述:低壓差穩(wěn)壓器 - LDO Dual LDO w/ Sdn RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1306R-BDVUATR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual LDO w/ Sdn RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1307R-XYVQRTR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual LDO w/ Sdn RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC130AW10 | 制造商:Panduit Corp 功能描述: |
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