ISL6540ACRZ datasheet(8/22 Pages) INTERSIL

Part #	ISL6540ACRZ

Description	Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability

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Manufacturer	INTERSIL [Intersil Corporation]

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8

FN6288.5

October 7, 2008

VINDV/DT_Max Maximum VIN DV/DT

VIN = 0 V to VIN step, PVCC < 2.0V at VIN

application; VIN > 6.5V

-1

-

V/µs

VIN = 2.0 V to VIN step, 2.0V < PVCC at VIN

application; VIN > 6.5V

-0.05

-

V/µs

EXTERNAL LINEAR REGULATOR

LIN_DRV

Maximum Sinking Drive Current

LIN_DRV = VIN = 20V

1.30

4.17

5.30

mA

LIN_DRV = VIN = 3.3V

1.67

3.88

4.67

mA

OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA)

DC Gain

CSS = 0.1µF, at SS Pin

-

88

-

dB

Drive Capability

CSS = 0.1µF, at SS Pin

30

37

44

µA

GATE DRIVERS

RUGATE

Ugate Source Resistance

500mA Source Current, PVCC = 5.0V

-

1.0

-

Ω

IUGATE

Ugate Source Saturation Current VUGATE-PHASE = 2.5V, PVCC = 5.0V

-

2.0

-

A

RUGATE

Ugate Sink Resistance

500mA Sink Current, PVCC = 5.0V

-

1.0

-

Ω

IUGATE

Ugate Sink Saturation Current

VUGATE-PHASE = 2.5V, PVCC = 5.0V

-

2.0

-

A

RLGATE

Lgate Source Resistance

500mA Source Current, PVCC = 5.0V

-

1.0

-

Ω

ILGATE

Lgate Source Saturation Current

VLGATE = 2.5V, PVCC = 5.0V

-

2.0

-

A

RLGATE

Lgate Sink Resistance

500mA Sink Current, PVCC = 5.0V

-

0.4

-

Ω

ILGATE

Lgate Sink Saturation Current

VLGATE = 2.5V, PVCC = 5.0V

-

4.0

-

A

OVERCURRENT PROTECTION (OCP)

ILSOC

Low Side OCP (LSOC) Current

Source

LSOC = 0V to VCC - 1.0V, TA = 0°C to +70°C

86

100

107

µA

LSOC = 0V to VCC - 1.0V, TA = -40°C to +85°C

84

100

109

µA

ILSOC_OFSET LSOC Maximum Offset Error

VCC = 2.9V and 5.6V TSAMPLE < 10µs

-

±2

-

mV

IHSOC

High Side OCP (HSOC) Current

Source

HSOC = 0.8V to 22V TA = 0°C to +70°C

91

100

106

µA

HSOC = 0.8V to 22V TA = -40°C to +85°C

89

100

107

µA

IHSOC_LOW

HSOC = 0.3V to 0.8V

84

-

107

µA

IHSOC_OFSET HSOC Maximum Offset Error

VCC = 2.9V and 5.5V TSAMPLE < 10µs

-

±2

-

mV

MARGINING CONTROL

VMARG

Minimum Margining Voltage of

Internal Reference

RMARG = 10kΩ, ROFS- = 6.01kΩ,

MAR_CRTL = 0V

-187

-197

-209

mV

VMARG

Maximum Margining Voltage of

Internal Reference

RMARG = 10kΩ, ROFS+ = 6.01kΩ,

MAR_CRTL = VCC

185

197

208

mV

NMARG

Margining Transfer Ratio

NMARG = (VOFS--VOFS+)/VMARG

4.84

5

5.22

SDR

MAR_CTRL

Positive Margining Threshold

1.51

1.8

2.02

V

MAR_CTRL

Negative Margining Threshold

0.75

0.9

1.05

V

MAR_CTRL

Tri-state Input Level

Disable Mode

1.21

1.325

1.40

V

POWER GOOD MONITOR

VUVR

Undervoltage Rising Trip Point

-7%

-9%

-11%

VSS

VUVF

Undervoltage Falling Trip Point

-13%

-15%

-17%

VSS

VOVR

Overvoltage Rising Trip Point

13%

15%

17%

VSS

VOVF

Overvoltage Falling Trip Point

7%

9%

11%

VSS

TPG_DLY

PGOOD Delay

CPG_DLY = 0.1µF

-

7.1

-

ms

IPG_DLY

PGOOD Delay Source Current

17

21

24

µA

Electrical Specifications

Recommended Operating Conditions, Unless Otherwise Noted. Parts are 100% tested at +25°C. Temperature

limits established by characterization and are not production tested. (Continued)

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

ISL6540A

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