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参数资料
| 型号： | TPS40210QDGQRQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | GREEN, PLATSIC, MSOP-10 |
| 文件页数： | 2/41页 |
| 文件大小： | 999K |
| 代理商： | TPS40210QDGQRQ1 |
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1
6
5
10
2
3
7
4
8
9
FB
RC
COMP
DIS/EN
SS
GND
VDD
ISNS
GDRV
BP
DGQ PowerPAD PACKAGE
(Top View)
SLVS861D – AUGUST 2008 – REVISED APRIL 2010
www.ti.com
DEVICE INFORMATION
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
BP
9
O
Regulator output. Connect a 1.0-mF bypass capacitor from this pin to GND.
COMP
4
O
Error amplifier output. Connect control loop compensation network between COMP pin and FB pin.
Disable/enable. Pulling this pin high places the part into a shutdown mode. Shutdown mode is characterized
by a very low quiescent current. While in shutdown mode, the functionality of all blocks is disabled, and the
DIS/EN
3
I
BP regulator is shut down. This pin has an internal 1-M
pulldown resistor to GND. Leaving this pin
unconnected enables the device.
Error amplifier inverting input. Connect a voltage divider from the output to this pin to set the output voltage.
FB
5
I
Compensation network is connected between this pin and COMP.
GDRV
8
O
Connect the gate of the power N-channel MOSFET to this pin.
GND
6
–
Device ground
Current sense. Connect an external current sensing resistor between this pin and GND. The voltage on this
pin is used to provide current feedback in the control loop and detect an overcurrent condition. An
ISNS
7
I
overcurrent condition is declared when ISNS pin voltage exceeds the overcurrent threshold voltage, 150 mV
typical.
Switching frequency setting. Connect capacitor from RC pin to GND. Connect a resistor from RC pin to VDD
RC
1
I
of the IC power supply and a capacitor from RC to GND.
Soft-start time programming. Connect capacitor from SS pin to GND to program converter soft-start time.
SS
2
I
This pin also functions as a timeout timer when the power supply is in an overcurrent condition.
System input voltage. Connect a local bypass capacitor from this pin to GND. Depending on the amount of
VDD
10
I
required slope compensation, this pin can be connected to the converter output. See Application Information
section for additional details.
10
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS40210-Q1 TPS40211-Q1
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