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参数资料
| 型号： | LT1963AET-3.3#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 17/28页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V 1.5A TO220-5 |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.3V |
| 输入电压： | 最高 20V |
| 电压 - 压降（标准）： | 0.34V @ 1.5A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A |
| 电流 - 限制（最小）： | 1.6A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-5 成形引线 |
| 供应商设备封装： | TO-220-5 |
| 包装： | 管件 |
| 产品目录页面： | 1330 (CN2011-ZH PDF) |
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LT1963A Series
APPLICATIONS INFORMATION
Y5V dielectrics are good for providing high capacitances in
a small package, but exhibit strong voltage and temperature
coefficients as shown in Figures 10 and 11. When used
with a 5V regulator, a 10μF Y5V capacitor can exhibit an
effective value as low as 1μF to 2μF over the operating
temperature range. The X5R and X7R dielectrics result in
more stable characteristics and are more suitable for use
as the output capacitor. The X7R type has better stability
across temperature, while the X5R is less expensive and
is available in higher values.
Voltage and temperature coefficients 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 micro-
phone works. For a ceramic capacitor the stress can be
induced by vibrations in the system or thermal transients.
Table 2. PC Trace Resistors
“FREE” Resistance with PC Traces
The resistance values shown in Table 2 can easily be made
using a small section of PC trace in series with the output
capacitor. The wide range of non-critical ESR makes it
easy to use PC trace. The trace width should be sized to
handle the RMS ripple current associated with the load.
The output capacitor only sources or sinks current for a few
microseconds during fast output current transitions. There
is no DC current in the output capacitor. Worst case ripple
current will occur if the output load is a high frequency
(>100kHz) square wave with a high peak value and fast
edges (< 1μs). Measured RMS value for this case is 0.5
times the peak-to-peak current change. Slower edges or
lower frequency will significantly reduce the RMS ripple
current in the capacitor.
10m Ω
20m Ω
30m Ω
0.5oz C U
1.0oz C U
2.0oz C U
Width
Length
Width
Length
Width
Length
0.011 " (0.28mm)
0.102 " (2.6mm)
0.006 " (0.15mm)
0.110 " (2.8mm)
0.006 " (0.15mm)
0.224 " (5.7mm)
0.011 " (0.28mm)
0.204 " (5.2mm)
0.006 " (0.15mm)
0.220 " (5.6mm)
0.006 " (0.15mm)
0.450 " (11.4mm)
0.011 " (0.28mm)
0.307 " (7.8mm)
0.006 " (0.15mm)
0.330 " (8.4mm)
0.006 " (0.15mm)
0.670 " (17mm)
20
0
BOTH CAPACITORS ARE 16V,
1210 CASE SIZE, 10μF
40
20
–20
X5R
0
X5R
–20
–40
–60
–80
Y5V
–40
–60
–80
Y5V
BOTH CAPACITORS ARE 16V,
1210 CASE SIZE, 10μF
–100
0
2
4
6
8
10
12
14
16
–100
–50 –25
0
25
50
75
100
125
DC BIAS VOLTAGE (V)
1963A F10
Figure 10. Ceramic Capacitor DC Bias Characteristics
TEMPERATURE (°C)
1963A F11
Figure 11. Ceramic Capacitor Temperature Characteristics
17
For more information www.linear.com/LT1963A
1963aff
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1963AETPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5A, Low Noise,Fast Transient Response LDO Regulators |
| LT1963AETTR | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5A, Low Noise,Fast Transient Response LDO Regulators |
| LT1963AETTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5A, Low Noise,Fast Transient Response LDO Regulators |
| LT1963AIFE | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5A, Low Noise,Fast Transient Response LDO Regulators |
| LT1963AIFE#PBF | 功能描述:IC REG LDO ADJ 1.5A 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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