CS8122 datasheet(3/10 Pages) ONSEMI

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CS8122

http://onsemi.com

ABSOLUTE MAXIMUM RATINGS

Rating

Value

Unit

Input Operating Range

−0.5 to 26

Power Dissipation

Internally Limited

−

Peak Transient Voltage (46 V Load Dump @ VIN = 14 V)

−50, 60

Output Current

Internally Limited

−

Electrostatic Discharge (Human Body Model)

4.0

Junction Temperature

−55 to +150

°C

Storage Temperature Range

−55 to +150

°C

Lead Temperature Soldering

Wave Solder (through hole styles only) (Note 1)

260 peak

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

1. 10−second maximum.

ELECTRICAL CHARACTERISTICS (−40

°C ≤ TA ≤ 125°C, −40 ≤ TJ ≤ 150°C, 6.0 ≤ VIN ≤ 26 V, 5.0 mA ≤ IOUT ≤ 500 mA,

RRESET = 4.7 kW to VCC unless otherwise noted.) (Note 2)

Characteristic

Test Conditions

Min

Typ

Max

Unit

OUTPUT STAGE (VOUT)

Output Voltage

−

4.9

5.0

5.1

Dropout Voltage

IOUT = 500 mA

−

0.35

0.60

Supply Current

IOUT ≤ 10 mA

IOUT ≤ 100 mA

IOUT ≤ 500 mA

−

2.0

6.0

7.0

100

Line Regulation

6.0 V

≤ VIN ≤ 26 V, IOUT = 50 mA

−

5.0

Load Regulation

50 mA

≤ IOUT ≤ 500 mA, VIN = 14 V

−

Ripple Rejection

f = 120 Hz, 7.0

≤ VIN ≤ 17 V, IOUT = 250 mA

−

Current Limit

−

0.75

1.20

−

Overvoltage Shutdown

−

Maximum Line Transient

VOUT ≤ 5.5 V

−

Reverse Polarity Input Voltage DC

VOUT ≥ −0.6 V, 10 W Load

−15

−30

−

Reverse Polarity Input Voltage Transient

1.0% Duty Cycle, T < 100 ms, 10

W Load

−50

−80

−

Thermal Shutdown

Guaranteed by Design

150

180

210

°C

RESET AND DELAY FUNCTIONS

Delay Charge Current

VDELAY = 2.0 V

5.0

RESET Threshold

VOUT Increasing, VRT(ON)

VOUT Decreasing, VRT(OFF)

4.65

4.50

4.90

4.70

VOUT − 0.01

VOUT − 0.16

RESET Hysteresis

VRH = VRT(ON) − VRT(OFF)

150

200

250

Delay Threshold

Charge, VDC(HI)

Discharge, VDC(L)

3.25

2.85

3.50

3.10

3.75

3.35

Delay Hysteresis

−

200

400

800

RESET Output Voltage Low

1.0 V < VOUT < VRT(L), 3.0 kW to VOUT

−

0.1

0.4

RESET Output Leakage

VOUT > VRT(H)

−

Delay Capacitor Discharge Voltage

Discharge Latched “ON”, VOUT > VRT

−

0.2

0.5

Delay Time

CDELAY = 0.1 mF

2. To observe safe operating junction temperatures, low duty cycle pulse testing is used in tests where applicable.

Delay Time

CDelay

VDelay Threshold Charge

ICharge

+ CDelay

3.5

105 (typ)

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