TL3843B datasheet, PDF - EEWORLD Datasheet

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TL3843B: DescriptionTL3843B High-Performance Current-Mode PWM Controller; Categorysemiconductor Power management; File Size895KB，26 Pages; ManufacturerTexas Instruments; Websitehttp://www.ti.com.cn/; Environmental Compliance

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TL3843B Overview

TL3843B High-Performance Current-Mode PWM Controller

TL3843B Parametric

Parameter Name	Attribute value
Frequency(Min)(kHz)	49
UVLO thresholds on/off(V)	8.4/7.6
Package Group	PDIP\|8,SOIC\|14,SOIC\|8
Rating	Catalog
Features	Adjustable Switching Frequency,Error Amplifier,Multi-topology
Duty cycle(Max)(%)	100
VCC(Min)(V)	8.4
Control method	Current
Frequency(Max)(kHz)	500
Operating temperature range(C)	0 to 70
Topology	Boost,Flyback,Forward
Approx. price(US$)	0.34 \| 1ku
VCC(Max)(V)	30
Gate drive(Typ)(A)	0.2

TL3843B Related Products

	TL3843B	TL2842B	TL2843B	TL2844B	TL2845B	TL3842B	TL3844B	TL3845B
Description	TL3843B High-Performance Current-Mode PWM Controller	TL2842B High-Performance Current-Mode PWM Controller	TL2843B High-Performance Current-Mode PWM Controller	TL2844B High-Performance Current-Mode PWM Controller	TL2845B High-Performance Current-Mode PWM Controller	TL3842B High-Performance Current-Mode PWM Controller	TL3844B High-Performance Current-Mode PWM Controller	TL3845B High-Performance Current-Mode PWM Controller
Frequency(Min)(kHz)	49	49	49	49	49	49	49	49
UVLO thresholds on/off(V)	8.4/7.6	16/10	8.4/7.6	16/10	8.4/7.6	16/10	16/10	8.4/7.6
Package Group	PDIP\|8,SOIC\|14,SOIC\|8	PDIP\|8,SOIC\|14,SOIC\|8	PDIP\|8,SOIC\|14,SOIC\|8	SOIC\|14,SOIC\|8	SOIC\|14,SOIC\|8	PDIP\|8,SOIC\|14,SOIC\|8	PDIP\|8,SOIC\|14,SOIC\|8	PDIP\|8,SOIC\|14,SOIC\|8
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Features	Adjustable Switching Frequency,Error Amplifier,Multi-topology	Adjustable Switching Frequency,Error Amplifier,Multi-topology	Adjustable Switching Frequency,Current Limiting,Error Amplifier,Multi-topology	Adjustable Switching Frequency,Error Amplifier,Multi-topology	Adjustable Switching Frequency,Current Limiting,Error Amplifier,Multi-topology	Adjustable Switching Frequency,Error Amplifier,Multi-topology	Adjustable Switching Frequency,Error Amplifier,Multi-topology	Adjustable Switching Frequency,Error Amplifier,Multi-topology
Duty cycle(Max)(%)	100	100	100	50	50	100	50	50
VCC(Min)(V)	8.4	16	8.4	16	8.4	16	16	8.4
Control method	Current	Current	Current	Current	Current	Current	Current	Current
Frequency(Max)(kHz)	500	500	500	500	500	500	500	500
Operating temperature range(C)	0 to 70	-40 to 85	-40 to 85	-40 to 85	-40 to 85	0 to 70	0 to 70	0 to 70
Topology	Boost,Flyback,Forward	Boost,Flyback,Forward	Boost,Flyback,Forward	Boost,Flyback,Forward	Boost,Flyback,Forward	Boost,Flyback,Forward	Boost,Flyback,Forward	Boost,Flyback,Forward
Approx. price(US$)	0.34 \| 1ku	0.38 \| 1ku	0.38 \| 1ku	0.38 \| 1ku	0.38 \| 1ku	0.34 \| 1ku	0.34 \| 1ku	0.34 \| 1ku
VCC(Max)(V)	30	30	30	30	30	30	30	30
Gate drive(Typ)(A)	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2

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