FAN5236_10 datasheet(6/19 Pages) FAIRCHILD

部件名	FAN5236

功能描述	Dual Mobile-Friendly DDR / Dual-Output PWM Controller

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制造商	FAIRCHILD [Fairchild Semiconductor]

网页	http://www.fairchildsemi.com

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FAN5236 • Rev. 1.3.2

6

Electrical Characteristics

Recommended operating conditions, unless otherwise noted.

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Units

Power Supplies

IVCC

VCC Current

LDRV, HDRV Open, VSEN Forced Above

Regulation Point

2.2

3.0

µA

Shutdown (EN-0)

30

µA

ISINK

VIN Current, Sinking

VIN = 24V

10

30

µA

ISOURCE

VIN Current, Sourcing

VIN = 0V

-15

-30

µA

ISD

VIN Current, Shutdown

1

µA

VUVLO

UVLO Threshold

Rising VCC

4.30

4.55

4.75

V

Falling

4.10

4.25

4.45

V

VUVLOH

UVLO Hysteresis

300

mV

Oscillator

fosc

Frequency

255

300

345

KHz

VPP

Ramp Amplitude

VIN = 16V

2

V

VIN = 5V

1.25

V

VRAMP

Ramp Offset

0.5

V

G

Ramp / VIN Gain

VIN ≤ 3V

125

mV/V

1V < VIN < 3V

250

mV/V

Reference and Soft Start

VREF

Internal Reference Voltage

0.891

0.900

0.909

V

ISS

Soft-Start Current

At Startup

5

µA

VSS

Soft-Start Complete

Threshold

1.5

V

PWM Converters

Load Regulators

IOUTX from 0 to 5A, VIN from 5 to 24V

-2

+2

%

ISEN

VSEN Bias Current

50

80

120

nA

VOUT Pin Input Impedance

45

55

65

K

Ω

UVLOTSD Under-Voltage Shutdown

% of Set Point, 2µs Noise Filter

70

75

80

%

UVLO

Over-Voltage Threshold

% of Set Point, 2µs Noise Filter

115

120

125

%

ISNS

Over-Current Threshold

RILIM= 68.5KΩ, Figure 12

112

140

168

µA

Output Drivers

HDRV Output Resistance

Sourcing

12.0

15.0

Ω

Sinking

2.4

4.0

LDRV Output Resistance

Sourcing

12.0

15.0

Ω

Sinking

1.2

2.0

Continued on following page…

类似零件编号 - FAN5236_10

制造商	部件名	数据表	功能描述
Fairchild Semiconductor	FAN5236MTC	199Kb / 20P	Dual Mobile-Friendly DDR / Dual-output PWM Controller
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ON Semiconductor	FAN5236MTCX	453Kb / 19P	Dual Mobile-Friendly DDR / Dual-Output PWM Controller Nov ember-2017, Rev. 2

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类似说明 - FAN5236_10

制造商	部件名	数据表	功能描述
ON Semiconductor	FAN5236	453Kb / 19P	Dual Mobile-Friendly DDR / Dual-Output PWM Controller Nov ember-2017, Rev. 2
Fairchild Semiconductor	FAN5236	199Kb / 20P	Dual Mobile-Friendly DDR / Dual-output PWM Controller
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Intersil Corporation	ISL6225	522Kb / 19P	Dual Mobile-Friendly PWM Controller with DDR Memory Option
Renesas Technology Corp	ISL6225	851Kb / 19P	Dual Mobile-Friendly PWM Controller with DDR Memory Option