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參數資料
| 型號： | TPS51163DRCR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHING CONTROLLER, 660 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, SON-10 |
| 文件頁數： | 23/26頁 |
| 文件大小： | 2137K |
| 代理商： | TPS51163DRCR |
TPS51113DRC
TPS51163DRC
1
4
3
2
5
10
7
8
9
6
BOOT
LDRV_OC
HDRV
SW
GND
PGOOD
COMP_EN
FB
VOS
VDD
SLUS864 – MAY 2009 ....................................................................................................................................................................................................... www.ti.com
TERMINAL INFORMATION
TERMINAL FUNCTIONS
TERMINAL
PIN
NAME
NO.
I/O
DESCRIPTION
Gate drive voltage for the high-side N-channel MOSFET. Typically, a 100 nF capacitor must be connected between this pin
BOOT
1
I
and SW. Also, a diode from VDD to BOOT should be externally provided.
Output of the error amplifier and the shutdown pin. Pulling the voltage on this pin lower than 800 mV shuts the controller
COMP_EN
7
I/O
down.
Inverting input to the error amplifier. In normal operation, the voltage on this pin is equal to the internal reference voltage of
FB
8
I
800 mV.
GND
5
–
Common reference for the device.
HDRV
3
O
Gate drive output for the high-side N-channel MOSFET.
Gate drive output for the low-side or rectifier MOSFET. The set point is read during start up calibration with the 10
μA
LDRV_OC
4
O
current source present.
PGOOD
10
O
Open drain power good output. An external pull-up resistor is required.
SW
2
O
Sense line for the adaptive anti-cross conduction circuitry. Serves as common connection for the flying high-side FET driver.
VDD
6
I
Power input to the controller, 4.5 V to 13.2 V.
Input to set undervoltage and overvoltage protections. Undervoltage protection occurs when VOS voltage is lower than 600
mV. The controller shuts down with both MOSFETs latched off. Overvoltage protection occurs when VOS voltage is higher
VOS
9
I
than 1V, the upper MOSFET is turned off and the lower MOSFET is forced on until VOS voltage reaches 400 mV. Then the
lower MOSFET is also turned off. After the undervoltage or overvoltage events, normal operation can be restored only by
cycling the VDD voltage.
SON PACKAGE
(TOP VIEW)
6
Copyright 2009, Texas Instruments Incorporated
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