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參數資料
型號: TPS62400QDRCQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: SWITCHING REGULATOR, PDSO10
封裝: 3 X3 MM, PLASTIC, SON-10
文件頁數: 20/41頁
文件大小: 1319K
代理商: TPS62400QDRCQ1
V
OUT + VREF
1 )
R
11
R
12
with an internal reference voltage V
REF typical 0.6V
V
OUT + VREF
1 )
R
21
R
22
with an internal reference voltage V
REF typical 0.6V
TPS62400-Q1, TPS62401-Q1
TPS62402-Q1, TPS62403-Q1
www.ti.com
SLVSA67 – FEBRUARY 2010
APPLICATION INFORMATION
OUTPUT VOLTAGE SETTING
Converter1 Adjustable Default Output Voltage Setting: TPS62400
The output voltage can be calculated to:
(4)
To keep the operating current to a minimum, it is recommended to select R12 within a range of 180k
to 360k.
The sum of R12 and R11 should not exceed ~1M. For higher output voltages than 3.3V, it is recommended to
choose lower values than 180k
for R12. Route the DEF_1 line away from noise sources, such as the inductor
or the SW1 line. The FB1 line needs to be directly connected to the output capacitor. A feedforward capacitor is
not necessary.
Converter1 Fixed Default Output Voltage Setting (TPS62401, TPS62402, TPS62403, TPS62404).
The output voltage VOUT1 is selected with DEF_1 pin.
Pin DEF_1 = low:
TPS62401, TPS62403, TPS62404 = 1.575V
TPS62402 = 1.2V
Pin DEF_1 = high:
TPS62401, TPS62403 = 1.1V
TPS62402: = 1.8V
TPS62404: = 1.9V
Converter 2 Adjustable Default Output Voltage Setting TPS62400:
The output voltage of converter 2 can be set by an external resistor network. For converter 2 the same
recommendations apply as for converter1. In addition to that, a 33pF feedforward Capacitor Cff2 for good load
transient response should be used. The output voltage can be calculated to:
(5)
Converter 2 Fixed Default Output Voltage Setting
ADJ2 pin must be directly connected with VOUT2
TPS62401, VOUT2 default = 1.8V
TPS62403, VOUT2 default = 2.8V
TPS62402, VOUT2 default = 3.3V
TPS62404, VOUT2 default = 3.3V
Copyright 2010, Texas Instruments Incorporated
27
Product Folder Link(s) :TPS62404-Q1
相關PDF資料
PDF描述
TPS62410DRCTG4 1.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
TPS62420DRCT 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
TPS62420DRC 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
TPS62421DRCR 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
TPS62510DRCRG4 1.5 A SWITCHING REGULATOR, 1700 kHz SWITCHING FREQ-MAX, PDSO10
相關代理商/技術參數
參數描述
TPS62400QDRCRQ1 功能描述:直流/直流開關轉換器 AC Dual Adj SD Cnvtr RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
TPS62401DRCR 功能描述:直流/直流開關調節器 Dual 400mA & 600mA 2.25MHz St-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62401DRCRG4 功能描述:直流/直流開關調節器 Dual 400mA & 600mA 2.25MHz St-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62401DRCT 功能描述:直流/直流開關調節器 Dual 400mA and 600mA 2.25MHz Step-Dwn RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62401DRCTG4 功能描述:直流/直流開關調節器 Dual 400mA & 600mA 2.25MHz St-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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