UC3844AN datasheet, PDF - EEWORLD Datasheet

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UC3844AN: DescriptionCurrent Mode PWM Controller; CategoryPower/power management The power supply circuit; File Size2MB，48 Pages; ManufacturerTexas Instruments; Websitehttp://www.ti.com.cn/; Environmental Compliance

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Current Mode PWM Controller

UC3844AN Parametric

Parameter Name	Attribute value
Brand Name	Texas Instruments
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Texas Instruments
Parts packaging code	DIP
package instruction	DIP-8
Contacts	8
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	1 week
Samacsys Description	UC3844AN, PWM Current Mode Controller, 1 A Boost, Buck, Flyback, 500 kHz 8-Pin PDIP
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
Maximum output voltage	5.1 V
Minimum output voltage	4.9 V
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	5.08 mm
Maximum supply current (Isup)	25 mA
Nominal supply voltage (Vsup)	11 V
surface mount	NO
Switch configuration	SINGLE
Maximum switching frequency	500 kHz
technology	BIPOLAR
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	7.62 mm
Base Number Matches	1

UC3844AN Related Products

	UC3844AN	UC3845AD8TR	UC3843AN	UC2843AN	UC3845AN	UC2843AD8TR
Description	Current Mode PWM Controller	Outputable current: - Switching operating frequency: 500kHz Output type: Transistor Driver Number of output voltage channels: 1 Function type: Step-Up, Step-Down, Step-Up/Step-Down Output configuration: Positive, Isolation Capable	Current Mode PWM Controller	Outputable current: - Switching operating frequency: 500kHz Output type: Transistor Driver Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive, Isolation Capable	Outputable current: - Switching operating frequency: 500kHz Output type: Transistor Driver Number of output voltage channels: 1 Function type: Step-Up, Step-Down, Step-Up/Step-Down Output configuration: Positive, Isolation Capable	Outputable current: - Switching operating frequency: 500kHz Output type: Transistor Driver Number of output voltage channels: 1 Function type: Step-Up, Step-Up/Step-Down Output configuration: Positive, Isolation Capable Current mode PWM controller
Brand Name	Texas Instruments	Texas Instruments	-	Texas Instruments	Texas Instruments	Texas Instruments
Is it 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
Parts packaging code	DIP	SOIC	-	DIP	DIP	SOIC
package instruction	DIP-8	SOP, SOP8,.25	-	DIP, DIP8,.3	DIP-8	SOP, SOP8,.25
Contacts	8	8	-	8	8	8
Reach Compliance Code	compliant	compliant	-	compliant	compliant	compliant
ECCN code	EAR99	EAR99	-	EAR99	EAR99	EAR99
Factory Lead Time	1 week	1 week	-	-	1 week	1 week
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER	SWITCHING CONTROLLER	-	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER
control 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
Maximum input voltage	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	8.2 V
Nominal input voltage	15 V	15 V	-	15 V	15 V	15 V
JESD-30 code	R-PDIP-T8	R-PDSO-G8	-	R-PDIP-T8	R-PDIP-T8	R-PDSO-G8
JESD-609 code	e4	e4	-	e4	e4	e4
length	9.81 mm	4.9 mm	-	9.81 mm	9.81 mm	4.9 mm
Number of functions	1	1	-	1	1	1
Number of terminals	8	8	-	8	8	8
Maximum operating temperature	70 °C	70 °C	-	85 °C	70 °C	85 °C
Maximum output current	1 A	1 A	-	1 A	1 A	1 A
Maximum output voltage	5.1 V	5.1 V	-	5.05 V	5.1 V	5.05 V
Minimum output voltage	4.9 V	4.9 V	-	4.95 V	4.9 V	4.95 V
Nominal output voltage	5 V	5 V	-	5 V	5 V	5 V
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	DIP	SOP	-	DIP	DIP	SOP
Encapsulate equivalent code	DIP8,.3	SOP8,.25	-	DIP8,.3	DIP8,.3	SOP8,.25
Package shape	RECTANGULAR	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	IN-LINE	SMALL OUTLINE	-	IN-LINE	IN-LINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	260	-	NOT SPECIFIED	NOT SPECIFIED	260
Certification status	Not Qualified	Not Qualified	-	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	5.08 mm	1.58 mm	-	3.9 mm	5.08 mm	1.58 mm
Maximum supply current (Isup)	25 mA	25 mA	-	25 mA	25 mA	25 mA
Nominal supply voltage (Vsup)	11 V	11 V	-	11 V	11 V	11 V
surface mount	NO	YES	-	NO	NO	YES
Switch configuration	SINGLE	BUCK-BOOST	-	BUCK-BOOST	SINGLE	BUCK-BOOST
Maximum switching frequency	500 kHz	500 kHz	-	500 kHz	500 kHz	500 kHz
technology	BIPOLAR	BIPOLAR	-	BIPOLAR	BIPOLAR	BIPOLAR
Temperature level	COMMERCIAL	COMMERCIAL	-	INDUSTRIAL	COMMERCIAL	INDUSTRIAL
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)
Terminal form	THROUGH-HOLE	GULL WING	-	THROUGH-HOLE	THROUGH-HOLE	GULL WING
Terminal pitch	2.54 mm	1.27 mm	-	2.54 mm	2.54 mm	1.27 mm
Terminal location	DUAL	DUAL	-	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	7.62 mm	3.91 mm	-	6.35 mm	7.62 mm	3.91 mm
Base Number Matches	1	1	-	1	1	1

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