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US1261CM PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 US1261CM
部品説明 DUAL 6A AND 1A LOW DROPOUT POSITIVE FIXED OUTPUT REGULATOR
メーカ UNISEM
ロゴ UNISEM ロゴ 



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US1261CM Datasheet, US1261CM PDF,ピン配置, 機能
US1261
DUAL 6A AND 1A LOW DROPOUT
POSITIVE FIXED OUTPUT REGULATOR
FEATURES
Guaranteed to provide 1.5V and 2.5V Sup-
plies with 3.1V input.
Fast Transient Response
1% Voltage Reference Initial Accuracy
Built in Thermal Shutdown
APPLICATIONS
Pentium II Processor Applications
DESCRIPTION
The US1261 product using a proprietary process com-
bines a dual low dropout regulators with fixed outputs of
1.5V and 2.5V in a single package with the 1.5V out-
put having a minimum of 6A and the 2.5V having a 1A
output current capability. This product is specifically de-
signed to provide well regulated supplies from 3.3V to
generate 1.5V for GTL+ termination resistor supply
and 2.5V clock supply for the new generation of
the Pentium II processor applications.
TYPICAL APPLICATION
1261app1-1.3
3.3V
C1
Vout1 5
US1261
Vin 4
Gnd 3
Vout2 2
Vctrl 1
5V
R1
C2
2.5V / 1A
C3
1.5V / 6A
C4
Typical application of US1261 in a Pentium II processor application
PACKAGE ORDER INFORMATION
Tj (°C)
0 TO 150
5 PIN PLASTIC
TO220(T)
US1261CT
5 PIN PLASTIC
TO263(M)
US1261CM
5 PIN PLASTIC
POWER FLEX(P)
US1261CP
Rev. 1.7
3/22/99
3-1

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