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UR5517L-SM2-R 数据表(PDF) 2 Page - Unisonic Technologies

部件名 UR5517L-SM2-R
功能描述  3A DDR BUS TERMINATION REGULATOR
PDF  9 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

UR5517L-SM2-R 数据表(HTML) 2 Page - Unisonic Technologies

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UR5517
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
2 of 9
www.unisonic.com.tw
QW-R102-041.B
PIN CONFIGURATIONS
PIN DESCRIPTION(Note)
PIN NAME
PIN TYPE
PIN DESCRIPTION
VDDQSNS
I
VDDQ sense input
VLDOIN
I
Power supply for the VTT & VTTREF output stage
VTT
O
Output voltage for connection to termination resistors, equal to VDDQSNS/2
PGND
O
Power ground output for the VTT output
VTTSNS
I
Voltage sense input for the VTT. Connect to plus terminal of the output capacitor
VTTREF
O
Buffered output that is a reference output, equal to VDDQSNS/2
S3
I
Active low suspend to RAM mode control pin, VTT is turned off and left Hi-Z
GND
I
Ground
S5
I
Active low shutdown control pin, both VTT&VTTREF are turned off and discharged to ground
VIN
I
Analog input pin
Note：Recommend connecting the Thermal Pad to the GND for the excellent power dissipation.



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