CS5323 datasheet(6/16 Pages) ONSEMI

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CS5323

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ELECTRICAL CHARACTERISTICS (continued) (0°C < TA < 70°C; 0°C < TJ < 85°C; 4.7 V < VCC < 14 V; CGATE = 100 pF,

RR(OSC) = 53.6 k, CCOMP = 0.1 μF, CREF = 0.1μF, DAC Code 10000, CVCC = 0.1 μF, ILIM ≥ 1.0 V; unless otherwise specified.)

Characteristic

Test Conditions

Min

Typ

Max

Unit

Current Sensing and Sharing

CS1−CS3 Input Bias Current

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

−

0.2

2.0

μA

CSREF Input Bias Current

−

0.6

2.0

μA

Current Sense Amplifier Gain

−

3.7

4.2

4.7

V/V

Current Sense Amp Mismatch

(The sum of gain and offset errors)

0 < (CSx − CSREF) < 50 mV

−5.0

−

5.0

Current Sense Amplifiers Input

Common Mode Range Limit

Note 4

−

VCC − 2

Current Sense Input to ILIM Gain

0.25 V < 1.20 V

5.0

6.5

8.0

V/V

Current Limit Filter Slew Rate

Note 4

7.5

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)

−

105

115

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

General Electrical Specifications

VCC Operating Current

VFB = COMP(no switching)

−

VCC Start Threshold

GATEs switching, COMP charging

4.05

4.60

4.70

VCC Stop Threshold

GATEs stop switching, COMP discharging

3.75

4.4

4.65

VCC Hysteresis

GATEs not switching, COMP not charging

100

200

300

4. Guaranteed by design. Not tested in production.

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