CS8128 datasheet(2/6 Pages) CHERRY

2 / 6 page

Note 1: Dependent on characteristics of external transistor.

Electrical Characteristics: TA = -40˚C to +125˚C, TJ = -40˚C to +150˚C, VIN = 6 to 26V, IOUT = 5 to 500mA, Per Test Circuit

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Absolute Maximum Ratings

Power Dissipation.............................................................................................................................................Internally Limited

Input Voltage ..................................................................................................................................................................–0.3V, 26V

Transient Input Voltage ............................................................................................................................................................60V

Output Current ...............................................................................................................................................Externally Limited

ESD Susceptibility (Human Body Model)..............................................................................................................................2kV

Junction Temperature ............................................................................................................................................–45°C to 150°C

Storage Temperature..............................................................................................................................................–55°C to 150°C

Lead Temperature Soldering

Wave Solder (through hole styles only) .....................................................................................10 sec. max, 260°C peak

Reflow (SMD styles only) ......................................................................................60 sec. max above 183°C, 230°C peak

CDelay x VDTC

ICharge

Note 2: Delay Time =

= CDelay x 3.5 x 105 (Typical)

Output Stage (VOUT)

Output Voltage

4.85

5.00

5.15

Dropout Voltage

IOUT = 500mA, note 1

0.1

0.6

Supply Current IQ

IOUT ≤ 10mA

IOUT ≤ 500mA

IOUT ≤ 3A, note 1

Line Regulation

6V ≤ VIN ≤ 26V, IOUT = 5mA

Load Regulation

5V ≤ IOUT ≤ 500mA, VIN = 14V

Ripple Rejection

f = 120Hz, 7V ≤ VIN ≤ 17V,

IOUT = 350mA

VIN Overvoltage Shutdown

Drive Current

VSENSE = 0V

250

and Delay Functions

Delay Charge Current, ICharge

VDelay = 2V

µA

Threshold VRTH

VOUT Increasing

4.65

4.90

VOUT-0.10

VRTL

VOUT Decreasing

4.50

4.70

VOUT-0.15

Hysteresis VRH

150

200

250

Delay Threshold

VDTC

Charge

3.25

3.50

3.75

VDTD

Discharge

2.80

3.00

3.40

Delay Hysteresis, VDH

VDTC - VDTD

200

400

800

Output Voltage Low

1V < VOUT < VRTL, 3kΩ to VOUT

0.4

Output

VD > VDTC , VOUT >VRTH

µA

Leakage Current

Delay Capacitor (Vdis)

Discharge Latched "ON",

0.2

0.5

Discharge Voltage

VOUT > VRTH

Delay Time

CDelay = 0.1µF, note 2

RESET

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