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US1175CS PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 US1175CS
部品説明 7.5A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
メーカ UNISEM
ロゴ UNISEM ロゴ 



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US1175CS Datasheet, US1175CS PDF,ピン配置, 機能
US1175
FEATURES
7.5A ULTRA LOW DROPOUT POSITIVE
ADJUSTABLE REGULATOR
PRELIMINARY DATASHEET
DESCRIPTION
0.5V Dropout at 7.5A (Equivalent of 67mΩ)
Fast Transient Response
1% Voltage Reference Initial Accuracy
Built-in Thermal Shutdown
APPLICATIONS
3.3V to 2.7V Intel I740 chip set.
The US1175 product is a 7.5A regulator with extremely
low dropout voltage using a proprietary Bipolar pro-
cess that achieves comparable equivalent on re-
sistance to that of discrete MOSFETs. This product is
specifically designed to provide well regulated supply for
applications requiring very low dropout such as
2.8V from 3.3V ATX power supplies where the same
efficiency as the switcher can be achieved without
the cost and complexity associated with switching
regulators. One such application is the new graphic
chip sets that requires 2.7V supply such as the Intel
I740 chip set.
TYPICAL APPLICATION
3.3V
C1
Vin 5
US1175
Vctrl 4
Vout 3
Adj 2
Vsense 1
1175app1-1.0
5V
C2
2.7V
R1
C3
R2
Typical application of US1175 .
PACKAGE ORDER INFORMATION
Tj (°C)
0 TO 125
5 PIN PLASTIC 5 PIN PLASTIC 8 PIN PLASTIC
TO263 (M) POWER FLEX (P) SOIC (S)
US1175CM
US1175CP
US1175CS
Rev. 1.2
11/29/99
2-1

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