CS5322GDWR28 datasheet(6/21 Pages) ONSEMI

номер детали	CS5322GDWR28

подробное описание детали	Two?뭁hase Buck Controller with Integrated Gate Drivers and 5?묪it DAC

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производитель	ONSEMI [ON Semiconductor]

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CS5322

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ELECTRICAL CHARACTERISTICS (continued) (0°C < TA < 70°C; 0°C < TJ < 125°C; 4.7 V < VCCL < 14 V; 8.0 V < VCCH < 20 V;

CGATE(H) = 3.3 nF, CGATE(L) = 3.3 nF, RR(OSC) = 32.4 k, CCOMP = 1.0 nF, CSS = 0.1 μF, CREF = 0.1 μF, DAC Code 10000, CVCC = 1.0 μF,

ILIM ≥ 1.0 V; unless otherwise specified.)

Characteristic

Unit

Max

Typ

Min

Test Conditions

GATE(H) and GATE(L)

3. Guaranteed by design. Not tested in production.

Fall Time GATE(H)X

8.0 V > GATE > 1.0 V; VCCHX = 10 V

−

35

80

ns

Fall Time GATE(L)X

8.0 V > GATE > 1.0 V; VCCLX = 10 V

−

35

80

ns

GATE(H) to GATE(L) Delay

GATE(H)X < 2.0 V, GATE(L)X > 2.0 V

30

65

110

ns

GATE(L) to GATE(H) Delay

GATE(L)X < 2.0 V, GATE(H)X > 2.0 V

30

65

110

ns

GATE Pull−down

Force 100 μA into GATE Driver with no power

applied to VCCHX and VCCLX = 2.0 V.

−

1.2

1.6

V

Oscillator

Switching Frequency

Measure any phase (ROSC = 32.4 k)

300

400

500

kHz

Switching Frequency

Note 4 Measure any phase (ROSC = 63.4 k)

150

200

250

kHz

Switching Frequency

Note 4 Measure any phase (ROSC = 16.2 k)

600

800

1000

kHz

ROSC Voltage

−

1.0

−

V

Phase Delay

−

165

180

195

deg

Adaptive Voltage Positioning

VDRP Output Voltage to DACOUT

Offset

CS1 = CS2 = CSREF, VFB = COMP

Measure VDRP − COMP

−15

−

15

mV

Maximum VDRP Voltage

(CS1 = CS2) − CREF = 50 mV,

VFB = COMP, Measure VDRP − COMP

240

310

380

mV

Current Sense Amp to VDRP Gain

−

2.4

3.0

3.8

V/V

Current Sensing and Sharing

CSREF Input Bias Current

V(CSx) = V(CSREF) = 0 V

−

0.5

4.0

μA

CS1−CS2 Input Bias Current

V(CSx) = V(CSREF) = 0 V

−

0.2

2.0

μA

Current Sense Amplifiers Gain

−

2.8

3.15

3.53

V/V

Current Sense Amp Mismatch

Note 4, 0 ≤ (CSx − CSREF) ≤ 50 mV

−5.0

−

5.0

mV

Current Sense Amplifiers Input

Common Mode Range Limit

Note 4

0

−

VCCL − 2

V

Current Sense Input to ILIM Gain

0.25 V < ILIM < 1.20 V

5.0

6.25

8.0

V/V

Current Limit Filter Slew Rate

Note 4

4.0

10

26

mV/μs

ILIM Bias Current

0 < ILIM < 1.0 V

−

0.1

1.0

μA

Single Phase Pulse by Pulse

Current Limit: V(CSx) − V(CSREF)

−

90

105

135

mV

Current Share Amplifier Bandwidth

Note 4

1.0

−

MHz

Reference Output

VREF Output Voltage

0 mA < I(VREF) < 1.0 mA

3.2

3.3

3.4

V

4. Guaranteed by design. Not tested in production.

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Аналогичный номер детали - CS5322GDWR28

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