LTC6907 datasheet(22/28 Pages) LINER

tên linh kiện	LTC6907

Giải thích chi tiết về linh kiện	TimerBlox: Long Timer, Low Frequency Oscillator

PDF	28 Pages

Scroll/Zoom	100%

nhà sản xuất	LINER [Linear Technology]

Trang chủ	http://www.linear.com

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22 / 28 page

LTC6995-1/LTC6995-2

699512f

For more information www.linear.com/6995

2. Place all passive components on the top side of the

board. This minimizes trace inductance.

3. Place RSET as close as possible to the SET pin and

make a direct, short connection. The SET pin is a

current summing node and currents injected into this

pin directly modulate the operating frequency. Having

a short connection minimizes the exposure to signal

pickup.

4. Connect RSET directly to the GND pin. Using a long path

or vias to the ground plane will not have a significant

affect on accuracy, but a direct, short connection is

recommended and easy to apply.

5. Use a ground trace to shield the SET pin. This provides

another layer of protection from radiated signals.

6. Place R1 and R2 close to the DIV pin. A direct, short

connection to the DIV pin minimizes the external signal

coupling.

699512 F22

LTC6995

RST

GND

SET

OUT

V+

DIV

0.1µF

RSET

V+

DIV

SET

OUT

GND

RST

V+

RSET

DFN PACKAGE

RST

GND

SET

OUT

V+

DIV

V+

RSET

TSOT-23 PACKAGE

Figure 22. Supply Bypassing and PCB Layout

applicaTions inForMaTion

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