NCP6121 datasheet(9/28 Pages) ONSEMI

No de pièce	NCP6121

Description	Dual Output 3 Phase 1/0 Phase Controller

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Fabricant	ONSEMI [ON Semiconductor]

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NCP6121

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NCP6121 ELECTRICAL CHARACTERISTICS Unless otherwise stated: −10°C < TA < 100°C; VCC = 5 V; CVCC = 0.1 mF

Parameter

Unit

Max

Typ

Min

Test Conditions

VR_RDY, VR_RDYA (POWER GOOD) OUTPUT

Fall Time

External pull−up of 1 kW to 3.3 V,

CTOT = 45 pF, DVo = 90% to

10%

10

ns

Output Voltage at Power−up

VR_RDY, VR_RDYA pulled up to

5 V via 2 KW

−

1.0

V

Output Leakage Current When High

VR_RDY and VR_RDYA = 5.0 V

−1.0

−

1.0

mA

VR_RDY Delay (rising)

DAC = TARGET to VR_RDY

500

ms

VR_RDY Delay (falling)

From OCP or OVP

−

5

−

ms

PWM OUTPUTS

Output High Voltage

Sourcing 500 mA

VCC –

0.2 V

−

V

Output Mid Voltage

No Load, SetPS = 02

1.9

2.0

2.1

V

Output Low Voltage

Sinking 500 mA

−

0.7

V

Rise and Fall Time

CL (PCB) = 50 pF,

DVo = GND to VCC

−

10

ns

2/3 PHASE DETECTION

PWM Pin Source Current

100

mA

PWM Pin Threshold Voltage

3.3

V

Phase Detect Timer

20

ms

SCLK, SDIO

VIL

Input Low Voltage

.45

V

VIH

Input High Voltage

0.65

V

VOH

Output High Voltage

1.05

V

RON

Buffer On Resistance (data line,

ALERT#, and VRHOT)

4

13

W

Leakage Current

SDIO, SLCK, ALERT

−100

100

mA

Pad Capacitance, (Note 3)

4.0

pF

VR clock to data delay (Tco), (Note 3)

4

8.3

ns

Setup time (Tsu), (Note 3)

7

ns

Hold time (Thld), (Note 3)

14

ns

3. Guaranteed by design or characterization data, not in production test;

Table 1. VR12 VID CODES

VID7

VID6

VID5

VID4

VID3

VID2

VID1

VID0

Voltage

(V)

HEX

0

OFF

00

0

1

0.25000

01

0

1

0

0.25500

02

0

1

0.26000

03

0

1

0

0.26500

04

0

1

0

1

0.27000

05

0

1

0

0.27500

06

0

1

0.28000

07

0

1

0

0.28500

08

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