FA13842 datasheet, PDF - EEWORLD Datasheet

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FA13842: Description1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8; Categorysemiconductor Analog mixed-signal IC; File Size153KB，15 Pages; ManufacturerFUJI; Websitehttp://www.fujielectric.co.jp/eng/fdt/scd/

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FA13842 Overview

1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8

FA13842 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	8
Rated input voltage	15 V
Maximum limit input voltage	25 V
Minimum limit input voltage	10 V
Maximum operating temperature	85 Cel
Minimum operating temperature	-25 Cel
Processing package description	SOP-8
state	ACTIVE
Craftsmanship	CMOS
packaging shape	Rectangle
Package Size	SMALL OUTLINE, low PROFILE
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	1.27 mm
Terminal location	pair
Packaging Materials	Plastic/Epoxy
Temperature level	other
control mode	PEAK current
Control Technology	Pulse width MODULATION
Maximum output current	1 A
Analog IC other types	switch controller
Switch configuration	single
Maximum switching frequency	500 kHz

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FA13842,13843,13844,13845

Description

The FA1384X series are CMOS current mode control ICs for

off-line and DC-to-DC converters.

These ICs can reduce start-up circuit loss and are optimum for

high efficiency power supplies because of the low power

dissipation achieved through changes in the CMOS fabrication

process.

These ICs can drive a power MOSFET directly.

The high-performance, compact power supply can be

designed with minimal external components .

CMOS IC

FA13842, 13843, 13844, 13845

For Switching Power Supply Control

Dimensions, mm

SOP-8

4.9

+0.1

–0.05

Features

•

CMOS process

Low-power dissipation

Standby current 2µA (max.), start-up current 30µA (max.)

Pulse-by-pulse current limiting

5V bandgap reference

UVLO (Undervoltage lockout) with hysteresis

Maximum duty cycle

FA13842, 13843: 96%

FA13844, 13845: 48%

• Pin-for-pin compatible with UC384X

Note:

Pins are fully compatible, but characteristics are not.

When our ICs are applied to a power supply circuit

designed for other manufactures' 384X series, the

characteristics and safety features of the power supply

must be checked.

6.0

±0.2

3.9

0.4

±0.1

1.27

±0.2

DIP-8

Types of FA1384X series

Type

UVLO

Maximum duty Package

Start threshold Stop threshold cycle

FA13842P

16.5V±1V

9V±1V

96%

DIP

FA13842N

FA13843P

FA13843N

9.6V±1V

9V±1V

96%

48%

SOP

DIP

SOP

DIP

SOP

DIP

SOP

9.3

1.5

6.4

3.0min 4.5max

3.3

0~8

0.05

0.25

–

+0.1

7.62

FA13844P

16.5V±1V

FA13844N

FA13845P

FA13845N

9.6V±1V

2.54

±0.25

0.46

±0.1

0~15

5˚

0~1

1.7max

0.20

FA13842 Related Products

	FA13842	FA13842P	FA13842N	FA13843P	FA13843N	FA13844N	FA13844P	FA13845N	FA13845P
Description	1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8	1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8	1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8	1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8	1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8	1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8	1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDIP8	1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8	1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDIP8
Number of functions	1	1	1	1	1	1	-	1	-
Number of terminals	8	8	8	8	8	8	-	8	-
Rated input voltage	15 V	15 V	15 V	15 V	15 V	15 V	-	15 V	-
Maximum limit input voltage	25 V	25 V	25 V	25 V	25 V	25 V	-	25 V	-
Minimum limit input voltage	10 V	10 V	10 V	10 V	10 V	10 V	-	10 V	-
Maximum operating temperature	85 Cel	85 Cel	85 Cel	85 Cel	85 Cel	85 Cel	-	85 Cel	-
Minimum operating temperature	-25 Cel	-25 Cel	-25 Cel	-25 Cel	-25 Cel	-25 Cel	-	-25 Cel	-
Processing package description	SOP-8	SOP-8	SOP-8	SOP-8	SOP-8	SOP-8	-	SOP-8	-
state	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE	-	ACTIVE	-
Craftsmanship	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	-	CMOS	-
packaging shape	Rectangle	Rectangle	Rectangle	Rectangle	Rectangle	Rectangle	-	Rectangle	-
Package Size	SMALL OUTLINE, low PROFILE	SMALL OUTLINE, low PROFILE	SMALL OUTLINE, low PROFILE	SMALL OUTLINE, low PROFILE	SMALL OUTLINE, low PROFILE	SMALL OUTLINE, low PROFILE	-	SMALL OUTLINE, low PROFILE	-
surface mount	Yes	Yes	Yes	Yes	Yes	Yes	-	Yes	-
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	-	GULL WING	-
Terminal spacing	1.27 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm	-	1.27 mm	-
Terminal location	pair	pair	pair	pair	pair	pair	-	pair	-
Packaging Materials	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy	-	Plastic/Epoxy	-
Temperature level	other	other	other	other	other	other	-	other	-
control mode	PEAK current	PEAK current	PEAK current	PEAK current	PEAK current	PEAK current	-	PEAK current	-
Control Technology	Pulse width MODULATION	Pulse width MODULATION	Pulse width MODULATION	Pulse width MODULATION	Pulse width MODULATION	Pulse width MODULATION	-	Pulse width MODULATION	-
Maximum output current	1 A	1 A	1 A	1 A	1 A	1 A	-	1 A	-
Analog IC other types	switch controller	switch controller	switch controller	switch controller	switch controller	switch controller	-	switch controller	-
Switch configuration	single	single	single	single	single	single	-	single	-
Maximum switching frequency	500 kHz	500 kHz	500 kHz	500 kHz	500 kHz	500 kHz	-	500 kHz	-

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