UC3844N datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Power/power management> The power supply circuit> UC3844N

UC3844N: DescriptionCurrent-Mode PWM Controller 8-PDIP 0 to 70; CategoryPower/power management The power supply circuit; File Size734KB，28 Pages; ManufacturerTexas Instruments; Websitehttp://www.ti.com.cn/; Environmental Compliance; Related ProductsFound20parts with similar functions to UC3844N

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UC3844N Overview

Current-Mode PWM Controller 8-PDIP 0 to 70

UC3844N Parametric

Parameter Name	Attribute value
Brand Name	Texas Instruments
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Parts packaging code	DIP
package instruction	DIP, DIP8,.3
Contacts	8
Reach Compliance Code	compli
ECCN code	EAR99
Factory Lead Time	1 week
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	25 V
Minimum input voltage	11.5 V
Nominal input voltage	15 V
JESD-30 code	R-PDIP-T8
JESD-609 code	e4
length	9.81 mm
Number of functions	1
Number of terminals	8
Maximum operating temperature	70 °C
Minimum operating temperature
Maximum output current	1 A
Nominal output voltage	5 V
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Encapsulate equivalent code	DIP8,.3
Package shape	RECTANGULAR
Package form	IN-LINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	3.9 mm
Maximum supply current (Isup)	25 mA
surface mount	NO
Switch configuration	BUCK-BOOST
Maximum switching frequency	500 kHz
technology	BICMOS
Temperature level	COMMERCIAL
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	6.35 mm
Base Number Matches	1

UC3844N Related Products

	UC3844N	UC3845N	UC3845D	UC3845D8	UC3844D	UC3844D8
Description	Current-Mode PWM Controller 8-PDIP 0 to 70	Current-Mode PWM Controller 8-PDIP 0 to 70	Current-Mode PWM Controller 14-SOIC 0 to 70	Current-Mode PWM Controller 8-SOIC 0 to 70	Current-Mode PWM Controller 14-SOIC 0 to 70	Current-Mode PWM Controller 8-SOIC 0 to 70
Brand Name	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Is it lead-free?	Lead free	Lead free	Lead free	Lead free	Lead free	Lead free
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to	conform to
Parts packaging code	DIP	DIP	SOIC	SOIC	SOIC	SOIC
package instruction	DIP, DIP8,.3	DIP-8	SOP, SOP14,.25	SOP, SOP8,.25	SOP, SOP14,.25	SOP, SOP8,.25
Contacts	8	8	14	8	14	8
Reach Compliance Code	compli	compli	compli	compli	compli	compli
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Factory Lead Time	1 week	6 weeks	6 weeks	1 week	6 weeks	1 week
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER
control mode	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
Maximum input voltage	25 V	25 V	25 V	25 V	25 V	25 V
Minimum input voltage	11.5 V	8.2 V	8.2 V	8.2 V	11.5 V	11.5 V
Nominal input voltage	15 V	15 V	15 V	15 V	15 V	15 V
JESD-30 code	R-PDIP-T8	R-PDIP-T8	R-PDSO-G14	R-PDSO-G8	R-PDSO-G14	R-PDSO-G8
JESD-609 code	e4	e4	e4	e4	e4	e4
length	9.81 mm	9.59 mm	8.65 mm	4.9 mm	8.65 mm	4.9 mm
Number of functions	1	1	1	1	1	1
Number of terminals	8	8	14	8	14	8
Maximum operating temperature	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C
Maximum output current	1 A	1 A	1 A	1 A	1 A	1 A
Nominal output voltage	5 V	5 V	2.5 V	5 V	2.5 V	5 V
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	DIP	DIP	SOP	SOP	SOP	SOP
Encapsulate equivalent code	DIP8,.3	DIP8,.3	SOP14,.25	SOP8,.25	SOP14,.25	SOP8,.25
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	IN-LINE	IN-LINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED	260	260	260	260
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	3.9 mm	5.08 mm	1.58 mm	1.58 mm	1.58 mm	1.58 mm
Maximum supply current (Isup)	25 mA	25 mA	25 mA	25 mA	25 mA	25 mA
surface mount	NO	NO	YES	YES	YES	YES
Switch configuration	BUCK-BOOST	SINGLE	BUCK-BOOST	BUCK-BOOST	BUCK-BOOST	BUCK-BOOST
Maximum switching frequency	500 kHz	500 kHz	500 kHz	500 kHz	500 kHz	500 kHz
technology	BICMOS	BICMOS	BIPOLAR	BICMOS	BIPOLAR	BICMOS
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	THROUGH-HOLE	THROUGH-HOLE	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	2.54 mm	2.54 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	6.35 mm	7.62 mm	3.91 mm	3.91 mm	3.91 mm	3.91 mm
Base Number Matches	1	1	1	1	1	1
Humidity sensitivity level	-	-	1	1	1	1

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UC3844N Similar Products

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UC2844NG4	Texas Instruments(德州仪器)	Current-Mode PWM Controller 8-PDIP -40 to 85
UC3844DTRG4	Texas Instruments(德州仪器)	Current-Mode PWM Controller 14-SOIC 0 to 70
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