SP6122ACU-1.5(2003) Просмотр технического описания (PDF) - Signal Processing Technologies

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SP6122ACU-1.5
(Rev.:2003)

Low Voltage, Micro 8, PFET, Buck Controller

Signal Processing Technologies 

ELECTRICAL CHARACTERISTICS: Continued

Unless otherwise specified: 0°C < TAMB < 70°C, 3.0V < VCC < 5.5V, CPDRV = 1nF, VENABLE = VCC, VFFLAG = VCC,

ISET = ISENSE = VCC, GND = 0V

PARAMETER

MIN

RDS OVER CURRENT COMPARATOR

Over Current Comparator

130

Threshold Voltage

Threshold Voltage Temperature

-

Coefficient

ISET Sink Current

15

ISET Current Temperature

-

Coefficient

ISENSE Input Bias Current

-

ISET, ISENSE Common Mode

2.0

Input Range

Over Current Peak Detection

-

Time Constant

ENABLE INPUT & FFLAG OUTPUT

ENABLE Threshold

0.90

ENABLE Pin Source Current

0.8

FFLAG Sink Current

3.0

GATE DRIVER

PDRV Rise Time

PDRV Fall Time

TYP

150

3800

20

4300

-

-

10

1.21

5.0

7.5

20

20

MAX UNITS CONDITIONS

180

mV V(ISET) - V(ISENSE) 25°C only

-

ppm/°C

25

µA Current into ISET 25°C only

-

ppm/°C

100

nA

VCC

V

-

µs

1.45

V

10.0

µA

15.0

mA V(FFLAG) = 1V

75

ns 0.5V to 4.5V

75

ns 4.5V to 0.5V

NOTE: Available Output Voltages: 1.5V Fixed, 1.25V Adj.

Rev. 7/16/03

SP6122 Low Voltage, Micro 8, PFET, Buck Controller

3

© Copyright 2003 Sipex Corporation

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