CS5165A datasheet(4/18 Pages) ONSEMI

Part #	CS5165A

Description	5?묪it Synchronous CPU Buck Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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CS5165A

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4

ELECTRICAL CHARACTERISTICS (0

°C < TA < +70°C; 0°C < TJ < +125°C; 8.0 V < VCC < 14 V; 2.8 DAC Code:

(VID4 = VID2 = VID1 = VID0 = 1; VID3 = 0); CGATE(H) and CGATE(L) = 3.3 nF; COFF = 330 pF; CSS = 0.1 mF, unless otherwise specified.)

Characteristic

Unit

Max

Typ

Min

Test Conditions

Enable Input

Pullup Current

ENABLE = 0 V

3.0

7.0

15

mA

Pullup Voltage

No load on ENABLE pin

1.30

1.8

3.0

V

Input Resistance

ENABLE = 5.0 V, R = (5.0 V − VPULLUP)/IENABLE

10

20

50

k

W

Power Good Output

Low to High Delay

VFB = (0.8 × VDAC) to VDAC

30

65

110

ms

High to Low Delay

VFB = VDAC to (0.8 × VDAC)

30

75

120

ms

Output Low Voltage

VFB = 2.4 V, IPWRGD = 500 mA

−

0.2

0.3

V

Sink Current Limit

VFB = 2.4 V, PWRGD = 1.0 V

0.5

4.0

15.0

mA

3. Guaranteed by design, not 100% tested in production.

ELECTRICAL CHARACTERISTICS (0

°C < TA < +70°C; 0°C < TJ < +125°C; 8.0 V < VCC < 14 V; 2.8 DAC Code:

(VID4 = VID2 = VID1 = VID0 = 1; VID3 = 0); CGATE(H) and CGATE(L) = 3.3 nF; COFF = 330 pF; CSS = 0.1 mF, unless otherwise specified.)

Characteristic

Test Conditions

Min

Typ

Max

Unit

Voltage Identification DAC

Accuracy (all codes except 11111)

Measure VFB = COMP (COFF = 0 V)

25

°C ≤ TJ ≤ 125°C; VCC = 12 V

−1.0

−

+1.0

%

VID4

VID3

VID2

VID1

VID0

1

0

−

3.505

3.540

3.575

V

1

0

1

−

3.406

3.440

3.474

V

1

0

1

0

−

3.307

3.340

3.373

V

1

0

1

−

3.208

3.240

3.272

V

1

0

1

0

−

3.109

3.140

3.171

V

1

0

1

0

1

−

3.010

3.040

3.070

V

1

0

1

0

−

2.911

2.940

2.969

V

1

0

1

−

2.812

2.840

2.868

V

1

0

−

2.713

2.740

2.767

V

1

0

1

−

2.614

2.640

2.666

V

1

0

1

0

−

2.515

2.540

2.565

V

1

0

1

−

2.416

2.440

2.464

V

1

0

−

2.317

2.340

2.363

V

1

0

1

−

2.218

2.240

2.262

V

1

0

−

2.119

2.140

2.161

V

0

−

2.069

2.090

2.111

V

0

1

−

2.020

2.040

2.060

V

0

1

0

−

1.970

1.990

2.010

V

0

1

−

1.921

1.940

1.959

V

0

1

0

−

1.871

1.890

1.909

V

0

1

0

1

−

1.822

1.840

1.858

V

0

1

0

−

1.772

1.790

1.808

V

0

1

−

1.723

1.740

1.757

V

0

1

0

−

1.673

1.690

1.707

V

0

1

0

1

−

1.624

1.640

1.656

V

0

1

0

1

0

−

1.574

1.590

1.606

V

0

1

0

1

−

1.525

1.540

1.555

V

0

1

0

−

1.475

1.490

1.505

V

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