CS5303GDWR28 datasheet(4/19 Pages) ONSEMI

부품명	CS5303GDWR28

상세설명	Three?뭁hase Buck Controller with Integrated Gate Drivers

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CS5303

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ELECTRICAL CHARACTERISTICS (continued) (0°C < TA < 70°C; 0°C < TJ < 125°C; 4.7 V < VCCL < 14 V; 8 V < VCCH < 20 V;

CGATE(H) = 3.3 nF, CGATE(L) = 3.3 nF, RR(OSC) = 53.6 k, CCOMP = 0.1 μF, CREF = 0.1μF, DAC Code 10000, CVCC = 1.0 μF, ILIM ≥ 1 V; unless

otherwise specified.)

Characteristic

Unit

Max

Typ

Min

Test Conditions

Voltage Identification DAC (0 = Connected to VSS; 1 = Open or Pull−up to 3.3 V)

0

1

−

1.460

1.475

1.490

V

0

1

0

−

1.485

1.500

1.515

V

0

1

0

1

−

1.510

1.525

1.540

V

0

1

0

−

1.535

1.550

1.566

V

0

1

0

1

−

1.559

1.575

1.591

V

0

1

0

1

0

−

1.584

1.600

1.616

V

0

1

0

1

−

1.609

1.625

1.641

V

0

1

0

−

1.634

1.650

1.667

V

0

1

−

1.658

1.675

1.692

V

0

1

0

−

1.683

1.700

1.717

V

0

1

0

1

−

1.708

1.725

1.742

V

0

1

0

−

1.733

1.750

1.768

V

0

1

−

1.757

1.775

1.793

V

0

1

0

−

1.782

1.800

1.818

V

0

1

−

1.807

1.825

1.843

V

0

−

1.832

1.850

1.869

V

Input Threshold

VID4, VID3, VID2, VID1, VID0

1.00

1.25

1.50

V

Input Pull−up Resistance

VID4, VID3, VID2, VID1, VID0

25

50

100

kΩ

Pull−up Voltage

−

3.15

3.30

3.45

V

Voltage Feedback Error Amplifier

VFB Bias Current (Note 2)

1.0 V < VFB < 1.9 V

16.8

19.0

21.5

μA

COMP Source Current

COMP = 0.5 V to 2.0 V;

VFB = 1.8 V; DAC = 00000

15

30

60

μA

COMP Sink Current

COMP = 0.5 V to 2.0 V;

VFB = 1.9 V; DAC = 00000

15

30

60

μA

COMP Discharge Threshold Voltage

−

0.20

0.27

0.34

V

Transconductance

−10 μA < ICOMP < +10 μA

−

32

−

mmho

Output Impedance

−

2.5

−

MΩ

Open Loop DC Gain

Note 3

60

90

−

Unity Gain Bandwidth

0.01 μF COMP Capacitor

−

400

−

kHz

PSRR @ 1 kHz

−

70

−

dB

COMP Max Voltage

VFB = 1.8 V; COMP Open; DAC = 00000

2.4

2.7

−

V

COMP Min Voltage

VFB = 1.9 V; COMP Open; DAC = 00000

−

0.1

0.2

V

Hiccup Latch Discharge Current

−

2.0

5.0

10

μA

COMP Discharge Ratio

−

4.0

6.0

10

−

2. The VFB Bias Current changes with the value of ROSC per Figure 4.

3. Guaranteed by design. Not tested in production.

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CS5303GDWR28 데이터시트(PDF) 4 Page - ON Semiconductor

CS5303GDWR28 데이터시트(HTML) 4 Page - ON Semiconductor

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