L6919E datasheet(4/33 Pages) STMICROELECTRONICS

No de pièce	L6919E

Description	5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT

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L6919E

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DIFFERENTIAL CURRENT SENSING

IISEN1,

IISEN2

Bias Current

ILOAD = 0

45

50

55

µA

IPGNDSx

Bias Current

45

50

55

µA

IISEN1,

IISEN2

Bias Current at

Over Current Threshold

80

85

90

µA

IFB

Active Droop Current

ILOAD ≤ 0%

ILOAD = 100%

47.5

0

50

1

52.5

µA

GATE DRIVERS

tRISE

HGATE

High Side

Rise Time

VBOOTx-VPHASEx=10V;

CHGATEx to PHASEx=3.3nF

15

30

ns

IHGATEx

High Side

Source Current

VBOOTx-VPHASEx=10V

2

A

RHGATEx High Side

Sink Resistance

VBOOTx-VPHASEx=12V;

1.5

2

2.5

Ω

tRISE

LGATE

Low Side

Rise Time

VCCDR=10V;

CLGATEx to PGNDx=5.6nF

30

55

ns

ILGATEx

Low Side

Source Current

VCCDR=10V

1.8

A

RLGATEx

Low Side

Sink Resistance

VCCDR=12V

0.7

1.1

1.5

Ω

PROTECTIONS

PGOOD

Upper Threshold

(VSEN/DAC Output)

VSEN Rising

108

112

116

%

PGOOD

Lower Threshold

(VSEN/DAC Output)

VSEN Falling

84

88

92

%

OVP

Over Voltage Threshold

(VSEN)

VSEN Rising

1.915

2.05

V

UVP

Under Voltage Trip

(VSEN/DAC Output)

VSEN Falling

55

60

65

%

VPGOODL PGOOD Voltage Low

IPGOOD = -4mA

0.4

V

IPGOODH PGOOD Leakage

VPGOOD = 5V

1

µA

ELECTRICAL CHARACTERISTICS (continued)

VCC = 12V ±15%, TJ = 0 to 70°C unless otherwise specified

Symbol

Parameter

Test Condition

Min

Typ

Max

Unit

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