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| 型号： | CAT6218-285TDGT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/9页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.85V .3A TSOT23-5 |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.85V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.18V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 带卷 (TR) |
CAT6218
V IN
2.3 V
to 5.5 V
C IN
1 μ F
VIN VOUT
CAT6218
V OUT
C OUT
1 μ F
V IN
VIN
EN
LDO
VOUT
V OUT
OFF
ON
EN
BYP
GND
C BYP (Optional)
10 nF
BYP
Reference
Shutdown
Switch
GND
Figure 1. Typical Application Circuit
Pin Function
VIN is the supply pin for the LDO. A small 1 m F ceramic
bypass capacitor is required between the V IN pin and ground
near the device. When using longer connections to the power
supply, C IN value can be increased without limit. The
operating input voltage range is from 2.3 V to 5.5 V.
EN is the enable control logic (active high) for the regulator
output. It has a 2.5 M W pull ? down resistor, which assures
that if EN pin is left open, the circuit is disabled.
VOUT is the LDO regulator output. A small 1 m F ceramic
bypass capacitor is required between the V OUT pin and
ground for stability. For better transient response, its value
can be increased to 4.7 m F.
Table 1. ABSOLUTE MAXIMUM RATINGS
Figure 2. CAT6218 Functional Block Diagram
The capacitor should be located near the device. ESR
domain is 5 m W to 500 m W . V OUT can deliver a maximum
guaranteed current of 300 mA. For input ? to ? output voltages
higher than 1 V, a continuous 300 mA output current might
turn ? on the thermal protection. A 250 W internal shutdown
switch discharges the output capacitor in the no ? load
condition.
GND is the ground reference for the LDO. The pin must be
connected to the ground plane on the PCB.
BYP is the reference bypass pin. An optional 0.01 m F
capacitor can be connected between BYP pin and GND to
reduce the output noise and enhance the PSRR at high
frequency.
Parameter
V IN
V EN , V OUT
Junction Temperature, T J
Power Dissipation, P D
Storage Temperature Range, T S
Lead Temperature (soldering, 5 sec.)
ESD Rating (Human Body Model)
Rating
0 to 6.5
? 0.3 to V IN + 0.3
+150
Internally Limited (Note 1)
? 65 to +150
260
3
Unit
V
V
_ C
mW
_ C
_ C
kV
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 2. RECOMMENDED OPERATING CONDITIONS (Note 2)
Parameter
V IN
V EN
Junction Temperature Range, T J
Package Thermal Resistance (SOT23 ? 5), θ JA
Range
2.3 to 5.5
0 to V IN
? 40 to +125
235
Unit
V
V
_ C
_ C/W
NOTE: Typical application circuit with external components is shown above.
1. The maximum allowable power dissipation at any T A (ambient temperature) is P Dmax = (T Jmax ? T A )/ q JA . Exceeding the maximum allowable
power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
2. The device is not guaranteed to work outside its operating rating.
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT6218-285TD-GT3 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:300mA CMOS LDO Regulator |
| CAT6218-300TDGT3 | 功能描述:低压差稳压器 - LDO LDO 300mA 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 |
| CAT6218-300TD-GT3 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:300mA CMOS LDO Regulator |
| CAT6218-320TDGT3 | 功能描述:低压差稳压器 - LDO 300mA 3.2 Volt 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 |
| CAT6218-320TD-GT3 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:300mA CMOS LDO Regulator |
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