参数资料
| 型号： | LT3024IDE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 15/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .5A/.1A 12-DFN |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 91 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.22 V ~ 20 V |
| 输入电压： | 1.8 V ~ 20 V |
| 电压 - 压降（标准）： | 0.3V @ 500mA，0.3V @ 100mA |
| 稳压器数量： | 2 |
| 电流 - 输出： | 500mA，100mA |
| 电流 - 限制（最小）： | 520mA，110mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WFDFN 裸露焊盘 |
| 供应商设备封装： | 12-DFN（4x3） |
| 包装： | 管件 |
LT3024
APPLICATIONS INFORMATION
20
0
BOTH CAPACITORS ARE 16V,
1210 CASE SIZE, 10μF
40
20
–20
X5R
0
X5R
–20
–40
–40
Y5V
–60
Y5V
–60
–80
–80
BOTH CAPACITORS ARE 16V,
–100
0
2
4
6
8
10
12
14
16
–100
1210 CASE SIZE, 10μF
–50 –25 0 25
50
75
100
125
100ms/DIV
DC BIAS VOLTAGE (V)
3024 F04
Figure 4. Ceramic Capacitor DC Bias Characteristics
Voltage and temperature coef?cients are not the only
sources of problems. Some ceramic capacitors have a
piezoelectric response. A piezoelectric device generates
voltage across its terminals due to mechanical stress,
similar to the way a piezoelectric accelerometer or
microphone works. For a ceramic capacitor the stress can
be induced by vibrations in the system or thermal transients.
The resulting voltages produced can cause appreciable
amounts of noise, especially when a ceramic capacitor is
used for noise bypassing. A ceramic capacitor produced
Figure 6’s trace in response to light tapping from a pencil.
Similar vibration induced behavior can masquerade as
increased output voltage noise.
C OUT = 10μF
C BYP = 0.01μF
I LOAD = 100mA
V OUT
500μV/DIV
3024 F06
Figure 6. Noise Resulting from Tapping on a Ceramic Capacitor
TEMPERATURE (°C)
3024 F05
Figure 5. Ceramic Capacitor Temperature Characteristics
Thermal Considerations
The power handling capability of the device will be limited
by the maximum rated junction temperature (125°C). The
power dissipated by the device will be made up of two
components for each output:
1. Output current multiplied by the input/output voltage
differential: (I OUT )(V IN – V OUT ), and
2. GND pin current multiplied by the input voltage:
(I GND )(V IN ).
The ground pin current can be found by examining the
GND Pin Current curves in the Typical Performance Char-
acteristics section. Power dissipation will be equal to the
sum of the two components listed above.
The LT3024 regulator has internal thermal limiting de-
signed to protect the device during overload conditions.
For continuous normal conditions, the maximum junction
temperature rating of 125°C must not be exceeded. It is
important to give careful consideration to all sources of
thermal resistance from junction to ambient. Additional
heat sources mounted nearby must also be considered.
For surface mount devices, heat sinking is accomplished
by using the heat spreading capabilities of the PC board
3024fa
15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3024IDE-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 100mA/500mA Low Dropout, Low Noise,Micropower Regulator |
| LT3024IDE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 100mA/500mA Low Dropout, Low Noise,Micropower Regulator |
| LT3024IFE | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 100mA/500mA Low Dropout, Low Noise,Micropower Regulator |
| LT3024IFE#PBF | 功能描述:IC REG LDO ADJ .5A/.1A 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:3V 输入电压:2.3 V ~ 5.5 V 电压 - 压降（标准）:0.035V @ 150mA 稳压器数量:2 电流 - 输出:150mA 电流 - 限制（最小）:300mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-UFDFN 裸露焊盘，6-TMLF? 供应商设备封装:6-TMLF?（1.6x1.6） 包装:Digi-Reel® 产品目录页面:1104 (CN2011-ZH PDF) 其它名称:576-3018-6 |
| LT3024IFE#TRPBF | 功能描述:IC REG LDO ADJ .5A/.1A 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:3V 输入电压:2.3 V ~ 5.5 V 电压 - 压降（标准）:0.035V @ 150mA 稳压器数量:2 电流 - 输出:150mA 电流 - 限制（最小）:300mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-UFDFN 裸露焊盘，6-TMLF? 供应商设备封装:6-TMLF?（1.6x1.6） 包装:Digi-Reel® 产品目录页面:1104 (CN2011-ZH PDF) 其它名称:576-3018-6 |
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