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参数资料
| 型号： | PTH03010YAH |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | DIP-20 |
| 文件页数： | 17/18页 |
| 文件大小： | 773K |
| 代理商： | PTH03010YAH |
www.ti.com
Ceramic Capacitors
Tantalum Capacitors
Capacitor Table
PTH03010Y
PTH05010Y
PTH12010Y
SLTS223A–MARCH 2004–REVISED OCTOBER 2005
APPLICATION INFORMATION (continued)
Above 150 kHz the performance of aluminum electrolytic capacitors becomes less effective. To further improve
the reflected input ripple current or the output transient response, multilayer ceramic capacitors can be added.
Ceramic capacitors have very low ESR and their resonant frequency is higher than the bandwidth of the
regulator. When used on the output their combined ESR is not critical as long as the total value of ceramic
capacitance does not exceed 300 F. Also, to prevent the formation of local resonances, do not place more than
five identical ceramic capacitors in parallel with values of 10 F or greater.
Tantalum type capacitors can be used at both the input and output, and are recommended for applications where
the ambient operating temperature can be less than 0°C. The AVX TPS, Sprague 593D/594/595, and Kemet
T495/T510 capacitor series are suggested over many other tantalum types due to their higher rated surge, power
dissipation, and ripple current capability. As a caution, many general-purpose tantalum capacitors have
considerably higher ESR, reduced power dissipation and lower ripple current capability. These capacitors are
also less reliable as they have lower power dissipation and surge current ratings. Tantalum capacitors that do not
have a stated ESR or surge current rating are not recommended for power applications.
When specifying Os-Con and polymer tantalum capacitors for the output, the minimum ESR limit is encountered
before the maximum capacitance value is reached.
Table 1 identifies the characteristics of capacitors from a number of vendors with acceptable ESR and ripple
current (rms) ratings. The recommended number of capacitors required at both the input and output buses is
identified for each capacitor type.
This is not an extensive capacitor list. Capacitors from other vendors are available with comparable
specifications. Those listed are for guidance. The RMS ripple current rating and ESR (at 100 kHz) are critical
parameters necessary to ensure both optimum regulator performance and long capacitor life.
Table 1. Input/Output Capacitors(1)
Capacitor Characteristics
Quantity
Max Ripple
Capacitor Vendor,
Vendor
Working
Max ESR
Physical
Value
Current
Input
Output
Type/Series (Style)
Part Number
Voltage
at 100 kHz
Size
(F)
at 85°CBus
Bus
(V)
()
(mm)
(Irms) (mA)
Panasonic, Aluminum
FC (Radial)
10
470
0.117
555
8 × 11,5
1
EEUFC1A471
FC (SMD)
10
470
0.150
670
10 × 10,2
1
EEUFC1A471P
FK (SMD)
10
470
0.160
600
8× 10,2
1
EEVFK1A471P
United Chemi-Con
PXA, Poly-Aluminum (SMD)
6.3
470
0.020
4130
10 × 7,7
1
≤2
PXA6.3VC471MJ80TP
PS, Poly-Aluminum (Radial)
10
470
0.012
5300
10 × 12,5
1
≤1
10PS470MJ12
LXZ, Aluminum (Radial)
16
470
0.120
555
8 × 12
1
LXZ10VB471M8X12LL
Nichicon Aluminum
WG(SMD)
10
470
0.150
670 mA
10 × 10
1
UWG1A471MNR1GS
HD (Radial)
10
470
0.072
760
8 × 11,5
1
UHD1A471MPR
PM (Radial)
10
470
0.130
600
10 × 12,5
1
UPM1A471MPH6
(1) Capacitor Supplier Verification
Please verify availability of capacitors identified in this table. Capacitor suppliers may recommend alternative part numbers because of
limited availability or obsolete products. In some instances, the capacitor product life cycle may be in decline and have short-term
consideration for obsolescence.
RoHS, Lead-free and Material Details
Please consult capacitor suppliers regarding material composition, RoHS status, lead-free status, and manufacturing process
requirements. Component designators or part number deviations can occur when material composition or soldering requirements are
updated.
8
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相关代理商/技术参数 |
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| PTH03010YAHT | 制造商:EMERSON-NETWORKPOWER 制造商全称:Emerson Network Power 功能描述:DC-DC CONVERTERS |
| PTH03010YAS | 功能描述:DC/DC转换器 15A 3.3V-In Bus Term Pwr Mdl for DDR/QDR RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH03010YAST | 功能描述:DC/DC转换器 15A 3.3V-In Bus Term Pwr Mdl for DDR/QDR RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH03010YAZ | 功能描述:DC/DC转换器 15A 3.3V-In Bus Term Pwr Mdl for DDR/QDR RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH03010YAZT | 功能描述:DC/DC转换器 15A 3.3V-In Bus Term Pwr Mdl for DDR/QDR RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
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