SC1452 Просмотр технического описания (PDF) - Semtech Corporation

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SC1452

Dual 150mA LDO Regulator with Programmable Reset

Semtech Corporation 

SC1452

POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless specified: TA = 25°C, VIN = VOUT + 1V, IOUTA = IOUTB = 1mA, CIN = COUT = 1.0 µF, VENA = VENB = VIN.

Values in bold apply over full operating temperature range.

Parameter

Symbol

Conditions

Min Typ Max Units

Over Temperature Protection

High Trip Level

Hysteresis

THI

THYST

150

°C

20

°C

NOTES:

(1) Low duty cycle pulse testing with Kelvin connections required.

(2) Defined as the input to output differential at which the output drops 100mV below the value measured at a

differential of 1V. Not measurable on 1.5V and 1.8V outputs due to minimum VIN constraints.

(3) Guaranteed by design.

(4) VOHA will be a percentage of VOUTA, and VOHB will be a percentage of VOUTB.

Timing Diagrams

 2006 Semtech Corp.

4

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