SL40307A-R19KHF datasheet(9/53 Pages) IRF

номер детали	SL40307A-R19KHF

подробное описание детали	Single-Input Voltage, Synchronous Buck Regulator

PDF	53 Pages

Scroll/Zoom	100%

производитель	IRF [International Rectifier]

домашняя страница	http://www.irf.com

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9 / 53 page

IR3846

9 www.irf.com

August 01, 2013

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Switch Node

SW Leakage Current

lsw

SW = 0V, Enable = 0V

µA

SW = 0V, Enable =

HIGH, Vp=0 V

Internal Regulator (VCC/LDO)

Output Voltage

VCC

Vin(min) = 7.2V, Io=0-

30mA, Cload = 2.2uF,

DCM=0

6.3

6.8

7.1

Vin(min) = 7.2V, Io=0-

30mA, Cload = 2.2uF,

DCM=1

4.4

4.8

VCC dropout

VCC_drop

Vin = 7V, Io=70 mA,

Cload = 2.2uF

0.7

Short Circuit Current

Ishort

Note 4

Zero-crossing

Comparator Delay

Tdly_zc

256 /

Zero-crossing

Comparator Offset

Vos_zc

Note 4

Body Braking

BB Threshold

BB_threshold

Fb > Vref, Sw duty

cycle, Note 3

FAULTS

Power Good

Power Good Low Upper

Threshold

VPG_low(upper)

Vsns Rising,

0.4V < Vref < 1.2V

115

120

125

% Vref

Vsns Rising,

Vref < 0.1V

115

120

125

% Vp

Power Good Low Upper

Threshold Falling delay

VPG_low(upper)_Dly

Vsns >

VPG_low(upper)

1.5

2.5

3.5

µs

Power Good High Lower

Threshold

VPG_high(lower)

Vsns Rising,

0.4V < Vref < 1.2V

% Vref

Vsns Rising,

Vref < 0.1V

% Vp

Power Good High Lower

Threshold Rising Delay

VPG_high(lower)_Dly

Vsns rising

1.28

Power Good Low Lower

Threshold

VPG_low(lower)

Vsns falling,

0.4V < Vref < 1.2V

% Vref

Vsns falling,

0.1V < Vref

%Vp

Power Good Low Lower

Threshold Falling delay

VPG_low(lower)_Dly

Vsns <

VPG_low(lower)

101

150

199

µs

PGood Voltage Low

PG (voltage)

IPGood = -5mA

0.5

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