- 您现在的位置：买卖IC网 > PDF目录383914 > TC1305 (Microchip Technology Inc.) Dual 150mA CMOS LDO With Select Mode⑩ Operation, Shutdown and Independent RESET Output PDF资料下载
参数资料
| 型号： | TC1305 |
| 厂商： | Microchip Technology Inc. |
| 英文描述： | Dual 150mA CMOS LDO With Select Mode⑩ Operation, Shutdown and Independent RESET Output |
| 中文描述： | 双150mA的CMOS低压与选择模式⑩行动，关闭和独立RESET输出 |
| 文件页数： | 5/18页 |
| 文件大小： | 530K |
| 代理商： | TC1305 |
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
.
相关PDF资料 |
PDF描述 |
|---|---|
| TC1305R-DVUN | 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 |
| TC1306 | Dual 150mA CMOS LDOWith Select Mode⑩ Operation, Shutdown and RESET Output |
| TC1306R-BDVUA | Circular Connector; Body Material:Aluminum; Series:PT07; No. of Contacts:19; Connector Shell Size:14; Connecting Termination:Solder; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Socket; Insert Arrangement:14-19 |
| TC1307 | Four-Channel CMOS LDO with Select Mode, Shutdown and Independent Reset |
| TC1313-CL0EMFTR | 500 mA Synchronous Buck Regulator, + 300 mA LDO |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1305R-DVUN | 功能描述:低压差稳压器 - LDO Dual LDO w/ Sdn RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TC1305R-DVUNTR | 功能描述:低压差稳压器 - LDO Dual LDO w/ Sdn RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TC1306R-BDVUA | 功能描述:低压差稳压器 - LDO Dual LDO w/ Sdn RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TC1306R-BDVUATR | 功能描述:低压差稳压器 - LDO Dual LDO w/ Sdn RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TC1307R-XYVQRTR | 功能描述:低压差稳压器 - LDO Dual LDO w/ Sdn RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
发布紧急采购，3分钟左右您将得到回复。