参数资料
型号: LT1963AEST-3.3#TRPBF
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 SOT-223
产品培训模块: More Information on LDOs
标准包装: 1
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: 表面贴装
封装/外壳: TO-261-4,TO-261AA
供应商设备封装: SOT-223
包装: 标准包装
产品目录页面: 1330 (CN2011-ZH PDF)
其它名称: LT1963AEST-3.3#TRPBFDKR
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
相关PDF资料
PDF描述
MIC29510-5.0WT IC REG LDO 5A 5V TO220-3
VE-J5K-EZ-B1 CONVERTER MOD DC/DC 40V 25W
LTC3831EGN#TRPBF IC SW REG CONTROLLR SYNC 16-SSOP
HBC31DRXH-S734 CONN EDGECARD 62POS DIP .100 SLD
LTC1262IS8#TR IC CONV DC/DC FLASH MEMORY 8SOIC
相关代理商/技术参数
参数描述
LT1963AET 功能描述:IC REG LDO ADJ 1.5A TO220-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:800 系列:- 稳压器拓扑结构:正,固定式 输出电压:2.5V 输入电压:最高 16V 电压 - 压降(标准):0.7V @ 4A 稳压器数量:1 电流 - 输出:4A 电流 - 限制(最小):4.2A 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-263-6,D²Pak(5 引线+接片),TO-263BA 供应商设备封装:TO-263-5 包装:带卷 (TR) 其它名称:AP1184K525L-13AP1184K525LDITR
LT1963AET#06PBF 功能描述:IC REG LDO ADJ 1.5A TO220-5 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:8V 输入电压:10.5 V ~ 23 V 电压 - 压降(标准):1.7V @ 40mA 稳压器数量:1 电流 - 输出:100mA(最小值) 电流 - 限制(最小):- 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC(0.154",3.90mm 宽) 供应商设备封装:8-SOIC 包装:剪切带 (CT) 产品目录页面:1075 (CN2011-ZH PDF) 其它名称:296-24390-1
LT1963AET#PBF 功能描述:IC REG LDO ADJ 1.5A TO220-5 RoHS:否 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:8V 输入电压:10.5 V ~ 23 V 电压 - 压降(标准):1.7V @ 40mA 稳压器数量:1 电流 - 输出:100mA(最小值) 电流 - 限制(最小):- 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC(0.154",3.90mm 宽) 供应商设备封装:8-SOIC 包装:剪切带 (CT) 产品目录页面:1075 (CN2011-ZH PDF) 其它名称:296-24390-1
LT1963AET-1.5 功能描述:IC REG LDO 1.5V 1.5A TO220-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:800 系列:- 稳压器拓扑结构:正,固定式 输出电压:2.5V 输入电压:最高 16V 电压 - 压降(标准):0.7V @ 4A 稳压器数量:1 电流 - 输出:4A 电流 - 限制(最小):4.2A 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-263-6,D²Pak(5 引线+接片),TO-263BA 供应商设备封装:TO-263-5 包装:带卷 (TR) 其它名称:AP1184K525L-13AP1184K525LDITR
LT1963AET-1.5#06PBF 功能描述:IC REG LDO 1.5V 1.5A TO-220-5 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:800 系列:- 稳压器拓扑结构:正,固定式 输出电压:2.5V 输入电压:最高 16V 电压 - 压降(标准):0.7V @ 4A 稳压器数量:1 电流 - 输出:4A 电流 - 限制(最小):4.2A 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-263-6,D²Pak(5 引线+接片),TO-263BA 供应商设备封装:TO-263-5 包装:带卷 (TR) 其它名称:AP1184K525L-13AP1184K525LDITR