CS4124 datasheet(3/12 Pages) ONSEMI

Part #	CS4124

Description	High Side PWM FET Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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CS4124

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ELECTRICAL CHARACTERISTICS (4.0 V

≤ VCC ≤ 26 V; –40°C < TJ < 125°C; unless otherwise specified.)

Characteristic

Test Conditions

Min

Typ

Max

Unit

VCC Supply

Operating Current Supply

7.0 V

≤ VCC ≤ 18 v

4.0 V

≤ VCC < 7.0 V, 18 V < VCC ≤ 26 V

–

5.0

–

10

15

mA

Quiescent Current

VCC = 12 V

–

170

275

µA

Overvoltage Shutdown

–

26.5

–

29

V

Control (CTL)

Control Input Current

CTL = 0 V to 5.0 V

–2.0

0.1

2.0

µA

Sleep Mode Threshold

–

8.0%

10%

12%

VREG

Sleep Mode Hysteresis

7.0 V

≤ VCC ≤ 26 V

4.0 V

≤ VCC < 7.0 V

50

10

100

–

150

mV

Control Sense

Differential Voltage Sense

7.0 V

≤ VCC ≤ 18 V:

IADJ = 1.0 V and RCS1 = 51 Ω

IADJ = 4.0 V and RCS1 = 51 Ω

4.0 V

≤ VCC < 7.0 V:

IADJ = 1.0 V and RCS1 = 51 Ω

18 V < VCC ≤ 26 V:

IADJ = 1.0 V and RCS1 = 51 Ω

IADJ = 4.0 V and RCS1 = 51 Ω

18

104

15

102

–

34

125

39

130

mV

IADJ Input Current

4.0 V

≤ VCC ≤ 26 V, IADJ = 0 V to 5.0 V

–2.0

0.3

2.0

µA

Linear Regulator

Output Voltage, VREG

VCC = 4.0 V

VCC = 13.2 V

VCC = 26 V

2.0

4.85

–

5.15

5.20

V

Inhibit

Inhibit Threshold

–

40%

50%

60%

VREG

Inhibit Hysteresis

4.0 V

≤ VCC ≤ 7.0 V

7.0 V

≤ VCC ≤ 26 V

100

150

–

325

500

mV

External Drive (OUTPUT)

Output Frequency

4.0 V

≤ VCC < 7.0 V:

ROSC = 93.1 kΩ, COSC = 470 pF

7.0 V

≤ VCC ≤ 18 V:

ROSC = 93.1 kΩ, COSC = 470 pF

18 V < VCC ≤ 26 V:

ROSC = 93.1 kΩ, COSC = 470 pF

10

17

–

20

25

23

25

kHz

Voltage to Duty Cycle Conversion

4.0 V

≤ VCC < 7.0 V:

VCC = 13 V, CTL = 1.0 V

VCC = 13 V, CTL = 2.0 V

7.0 V

≤ VCC ≤ 18 V:

VCC = 13 V, CTL = 30% VREG

VCC = 13 V, CTL = 55.8% VREG

18 V < VCC ≤ 26 V:

VCC = 13 V, CTL = 1.5 V

VCC = 13 V, CTL = 3.5 V

65

100

28.3

56.0

11.8

34.2

–

75

–

36.3

64.0

21.8

44.2

%

Output Rise Time

4.0 V

≤ VCC ≤ 26 V:

RGATE = 6.0 Ω, CGATE = 5.0 nF

–

.25

1.0

µs

Output Fall Time

4.0 V

≤ VCC ≤ 26 V:

RGATE = 6.0 Ω, CGATE = 5.0 nF

–

.30

1.0

µs

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