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參數資料
| 型號： | TPS62305DRC |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING |
| 中文描述： | 500毫安，3 MHz的同步降壓轉換器芯片級封裝 |
| 文件頁數： | 5/31頁 |
| 文件大小： | 1635K |
| 代理商： | TPS62305DRC |
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PIN ASSIGNMENTS
ADJ
EN
FB
A
VIN
VIN
AGND
SW
MODE/SYNC
PGND
VOUT
VIN
NC
EN
NC
A
VIN
AGND
SW
MODE/SYNC
PGND
VOUT
ADJ
A1
B1
C1
D1
A2
B2
C2
D2
GND
SW
MODE/SYNC
VOUT
VIN
EN
FB
MODE/SYNC
C1
A2
B2
C2
D2
A1
B1
D1
VIN
EN
ADJ
FB
GND
SW
VOUT
TPS62300,TPS62320
QFN-10
(TOP VIEW)
TPS6230x,TPS6232x
FIXEDOUTPUTVOLTAGE(QFN-10)
(TOP VIEW)
TPS6230x,TPS6231x,TPS6232x
CSP-8
(TOP VIEW)
TPS6230x,TPS6231x,TPS6232x
CSP-8
(BOTTOMVIEW)
TPS62300, TPS62301, TPS62302
TPS62303, TPS62305, TPS62311
TPS62313, TPS62320, TPS62321
SLVS528B–JULY 2004–REVISED JUNE 2005
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NO.
QFN
1
2
NO.
CSP
A2
NAME
VIN
AVIN
I
I
Supply voltage for output power stage.
This is the input voltage pin of the device. Connect directly to the input bypass capacitor.
This is the enable pin of the device. Connecting this pin to ground forces the device into shutdown
mode. Pulling this pin to V
I
enables the device. This pin must not be left floating and must be
terminated.
This is the internal reference voltage used to regulate V
. This pin is not connected on fixed output
voltage version of TPS6230xDRC and TPS6232xDRC. Do not connect ADJ pin on fixed output
voltage version of TPS6230xYZD, TPS6231xYZD and TPS6232xYxD.
On TPS62300 and TPS62320, this pin can also be used as an external control input. The output
voltage is 1.5x the applied voltage at ADJ.
This is the feedback pin of the device. For the adjustable version, an external resistor divider is
connected to this pin. The internal voltage divider is disabled for the adjustable version. This pin is
not connected on fixed output voltage version of TPS6230xDRC and TPS6232xDRC. Do not
connect the FB pin on the fixed output voltage version of TPS6230xYZD, TPS6231xYZD and
TPS6232xYxD.
Output feedback sense input. Connect VOUT to the converter’s output.
Analog ground. Connect to PGND via the PowerPAD underneath IC.
Input for synchronization to external clock signal. This pin must not be left floating and must be
terminated. Synchronizes the converter switching frequency to an external clock signal
MODE/SYNC = LOW (GND): The device is operating in fixed frequency pulse width modulation
mode (PWM) at high-load currents and in pulse frequency modulation mode (PFM) at light load
currents.
MODE/SYNC = HIGH (VIN): Low-noise mode enabled, fixed frequency PWM operation forced.
Power ground.
This is the switch pin of the converter and is connected to the drain of the internal Power
MOSFETs.
Internally connected to PGND.
EN
3
B2
I
ADJ
4
C2
I/O
FB
5
D2
I
VOUT
AGND
6
7
D1
I
MODE/SYNC
8
C1
I
PGND
9
A1
SW
10
B1
I/O
PowerPAD
N/A
5
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS62305DRCR | 功能描述:直流/直流開關調節器 1.875V 500-mA 3-MHz Step-Down Converter 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 |
| TPS62305DRCRG4 | 功能描述:直流/直流開關調節器 1.875V 500-mA 3-MHz Step-Down Converter 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 |
| TPS62305YZDR | 功能描述:直流/直流開關調節器 1.875V 500-mA 3-MHz Step-Down Converter 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 |
| TPS62305YZDT | 功能描述:直流/直流開關調節器 1.875V 500-mA 3MHz Step-Down Converter 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 |
| TPS62311YZDR | 功能描述:直流/直流開關調節器 Adj 500-mA 3-MHz Step-Down Converter 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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