NCP5392 datasheet(9/32 Pages) ONSEMI

Part #	NCP5392

Description	2/3/4-Phase Controller for CPU Applications

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NCP5392

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9

ELECTRICAL CHARACTERISTICS

(Unless otherwise stated: 0°C < TA < 85°C; 4.75 V < VCC < 5.25 V; All DAC Codes; CVCC = 0.1 mF)

Parameter

Test Conditions

Min

Typ

Max

Unit

ERROR AMPLIFIER

Input Bias Current (Note 3)

−200

200

nA

Noninverting Voltage Range (Note 3)

0

1.3

3

V

Input Offset Voltage (Note 3)

V+ = V− = 1.1 V

−1.0

−

1.0

mV

Open Loop DC Gain

CL = 60 pF to GND,

RL = 10 KW to GND

−

100

dB

Open Loop Unity Gain Bandwidth

CL = 60 pF to GND,

RL = 10 KW to GND

−

10

−

MHz

Open Loop Phase Margin

CL = 60 pF to GND,

RL = 10 KW to GND

−

80

−

°

Slew Rate

DVin = 100 mV, G = − 10 V/V,

DVout = 1.5 V – 2.5 V,

CL = 60 pF to GND,

DC Load = ±125 mA to GND

−

5

−

V/ms

Maximum Output Voltage

ISOURCE = 2.0 mA

3.5

−

V

Minimum Output Voltage

ISINK = 0.2 mA

−

50

mV

Output source current (Note 3)

Vout = 3.5 V

2

−

mA

Output sink current (Note 3)

Vout = 1.0 V

2

−

mA

DIFFERENTIAL SUMMING AMPLIFIER

VSN Input Bias Current

VSN Voltage = 0 V

30

mA

VSP Input Resistance

DRVON = Low

DRVON = High

1.5

17

kW

VSP Input Bias Voltage

DRVON = Low

DRVON = High

0.09

0.66

V

Input Voltage Range (Note 3)

−0.3

−

3.0

V

−3 dB Bandwidth

CL = 80 pF to GND,

RL = 10 KW to GND

−

10

−

MHz

Closed Loop DC Gain VS to Diffout

VS+ to VS− = 0.5 to 1.6 V

0.98

1.0

1.025

V/V

Maximum Output Voltage

ISOURCE = 2 mA

3.0

−

V

Minimum Output Voltage

ISINK = 2 mA

−

0.5

V

Output source current (Note 3)

Vout = 3 V

2.0

−

mA

Output sink current (Note 3)

Vout = 0.5 V

2.0

−

mA

INTERNAL OFFSET VOLTAGE

Offset Voltage to the (+) Pin of the

Error Amp and the VDRP pin

−

1.30

−

V

VDROOP AMPLIFIER

Input Bias Current (Note 3)

−200

200

nA

Non−inverting Voltage Range (Note 3)

0

1.3

3

V

Input Offset Voltage (Note 3)

V+ = V− = 1.1 V

−4.0

−

4.0

mV

Open Loop DC Gain

CL = 20 pF to GND including

ESD, RL = 1 kW to GND

−

100

dB

Open Loop Unity Gain Bandwidth

CL = 20 pF to GND including

ESD, RL = 1 kW to GND

−

10

−

MHz

Slew Rate

CL = 20 pF to GND including

ESD, RL = 1 kW to GND

−

5

−

V/ms

Maximum Output Voltage

ISOURCE = 4.0 mA

3

−

V

Minimum Output Voltage

ISINK = 1.0 mA

−

1

V

Output source current (Note 3)

Vout = 3.0 V

4

−

mA

Output sink current (Note 3)

Vout = 1.0 V

1

−

mA

3. Guaranteed by design, not tested in production.

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