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参数资料
| 型号： | PTH08T230WAST |
| 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： | ROHS COMPLIANT |
| 文件页数： | 36/39页 |
| 文件大小： | 1281K |
| 代理商： | PTH08T230WAST |
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SLTS265K – NOVEMBER 2005 – REVISED JUNE 2010
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
TA =25°C, VI = 5V, VO = 3.3V, CI = 330F, CO1 = 200F ceramic, CO2 = 100F, IO = IOmax (unless otherwise stated)
PARAMETER
TEST CONDITIONS
PTH08T230W
MIN
TYP
MAX
UNIT
fSYNC
Synchronization (SYNC) frequency
240
400
kHz
VSYNCH
SYNC High-Level Input Voltage
2
5.5
V
SmartSync Control
VSYNCL
SYNC Low-Level Input Voltage
0.8
V
tSYNC
SYNC Minimum Pulse Width
200
nSec
CI
External input capacitance
330 (7)
F
Nonceramic
0 (8)
100
5000 (9)
Capacitance value
F
without
Ceramic
200 (8)
500
TurboTrans
Equivalent series resistance (non-ceramic)
7
m
CO
External output capacitance
see table
10,000
Capacitance value
mF
with
(10)
(11)
Turbotrans
Capacitance × ESR product (CO × ESR)
1000
10,000
mF×m
Per Telcordia SR-332, 50% stress,
MTBF
Reliability
6.7
106 Hr
TA = 40°C, ground benign
(7)
A 330 F electrolytic input capacitor is required for proper operation. The capacitor must be rated for a minimum of 450 mA rms of ripple
current. An additional 22-mF ceramic input capacitor is recommended to reduce rms ripple current. When operating at VI > 8V, the
minimum required CI may be reduced to a 220-mF electrolytic plus a 22-mF ceramic.
(8)
200 F ceramic external output capacitance is required for basic operation. The required ceramic output capacitance can be made up of
2 × 100 F or 4 × 47 F. The minimum output capacitance requirement increases when TurboTrans (TT) technology is used. See the
Application Information for more guidance.
(9)
This is the calculated maximum disregarding TurboTrans technology. When the TurboTrans feature is used, the minimum output
capacitance must be increased. See the TurboTrans application notes for further guidance.
(10) When using TurboTrans technology, a minimum value of output capacitance is required for proper operation. Additionally, low ESR
capacitors are required for proper operation. See the TurboTrans application notes for further guidance.
(11) This is the calaculated maximum when using the TurboTrans feature. Additionally, low ESR capacitors are required for proper operation.
See the TurboTrans application notes for further guidance.
6
Copyright 2005–2010, Texas Instruments Incorporated
Product Folder Link(s): PTH08T230W PTH08T231W
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| PTH08T230WAZ | 功能描述:DC/DC转换器 6A 2.2-5.5V Input Non Isolated POL 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: |
| PTH08T230WAZT | 功能描述:DC/DC转换器 6A 2.2-5.5V Input Non Isolated POL 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: |
| PTH08T231W | 制造商:TI 制造商全称:Texas Instruments 功能描述:6-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans⑩ |
| PTH08T231WAD | 功能描述:DC/DC转换器 6A 4.5V-14Vin Cer Cap Adj Pwr Module 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: |
| PTH08T231WAS | 功能描述:DC/DC转换器 6A 4.5V-14Vin Cer Cap Adj Pwr Module 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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