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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： | 37/41頁 |
| 文件大小： | 1319K |
| 代理商： | TPS62400QDRCQ1 |
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DEF_1
FB1
MODE/DATA
VIN
EN1
SW2
ADJ2
GND
EN2
Po
w
er
PA
D
SW1
1
2
3
4
5
10
9
8
7
6
TopviewDRCpackage
TPS62400-Q1, TPS62401-Q1
TPS62402-Q1, TPS62403-Q1
www.ti.com
SLVSA67 – FEBRUARY 2010
PIN ASSIGNMENTS
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NO.
NAME
(QFN)
Input to adjust output voltage of converter 2. In adjustable version (TPS62400) connect a external resistor
divider between VOUT2, this pin and GND to set output voltage between 0.6V and VIN. At fixed output
ADJ2
1
I
voltage version (TPS62401) this pin MUST be directly connected to the output. If EasyScale Interface is
used for converter 2, this pin must be directly connected to the output, too.
This Pin has 2 functions:
1. Operation Mode selection: With low level, Power Save Mode is enabled where the device operates
in PFM mode at light loads and enters automatically PWM mode at heavy loads. Pulling this PIN to
high forces the device to operate in PWM mode over the whole load range.
MODE/DATA
2
I/0
2. EasyScale Interface function: One wire serial interface to change the output voltage of both
converters. The pin has an open drain output to provide an acknowledge condition if requested. The
current into the open drain output stage may not exceed 500mA. The interface is active if either EN1
or EN2 is high.
VIN
3
Supply voltage, connect to VBAT, 2.5V to 6V
Direct feedback voltage sense input of converter 1, connect directly to Vout 1. An internal feed forward
FB1
4
I
capacitor is connected between this pin and the error amplifier. In case of fixed output voltage versions or
when the Interface is used, this pin is connected to an internal resistor divider network.
This pin defines the output voltage of converter 1. The pin acts either as analog input for output voltage
setting via external resistors (TPS62400), or digital input to select between two fixed default output
voltages (TPS62401, TPS62402, TPS62403, TPS62404).
For the TPS62400, an external resistor network needs to be connected to this pin to adjust the default
DEF_1
5
I
output voltage.
Using the fixed output voltage device options this pin selects between two fixed default output voltages,
see table ordering information
SW1
6
I/O
Switch Pin of Converter1. Connect to Inductor
EN1
7
I
Enable Input for Converter1, active high
GND
8
GND for both converters; connect this pin to the PowerPAD
EN2
9
I
Enable Input for Converter 2, active high
SW2
10
I/O
Switch Pin of Converter 2. Connect to Inductor.
PowerPAD
Connect to GND
Copyright 2010, Texas Instruments Incorporated
5
Product Folder Link(s) :TPS62404-Q1
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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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