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UCC3808A-2

Category:ACDC- and -DCDC-power supply
Product Name:Low power current mode push-pull PWM
Manufacturers:TI
Production Batch Number:10+
Encapsulation:8PDIP, 8SOIC, 8TSSOP
Stock Status:There is stock
Stock Quantity:6000
Minimum order quantity: 1
Details:

Product introduction

The UCC3808A is a family of BiCMOS push-pull, high-speed, low-power, pulse-width modulators. All control and drive circuitry required for the UCC3808A is included for off-line or switching power supplies DC-to-DC fixed frequency current mode with minimal number of external components.

The UCC3808A dual output drive stage is arranged in a push-pull configuration. Half of the oscillators of the two output switches use the frequency of a switching trigger. The dead time between the two outputs is typically 60 nanoseconds to 200 nanoseconds, depending on the values of the capacitance and resistance, limiting the duty cycle of each output stage to less than 50%.

The UCC3808A series offers a choice of packages, temperature range options, and undervoltage lockout levels.

characteristic

The dual output drive stage is in a push-pull configuration
Current sense discharge transistors to improve dynamic response
Typical starting current of 130μA
Typical operating current of 1 mA
to 1 MHz operation
Internal soft start
On-chip 2-MHz gain-bandwidth product error amplifier
Clamping of on-chip VDD
The 500-mA peak source in the output drive stage is capable of current, 1 peak, sinking current

parameter

	UCC3808A - 2
topology	Boost, buck, full bridge, half bridge, push pull
Control method	Current mode
Duty cycle (max.) (%)	50
Frequency (max) (khertz)	1000
On/Off of Undervoltage Lockout Threshold (5)	4.3/4.1
Pins/Packets	8PDIP，8SOIC，8TSSOP
(#) Regulated output	2
Operating temperature range(°C)	0 to 70

andUCC3808A-2Related ICs are:

Model	Manufacturers	lot number	encapsulation	illustrate
UCC3808AD-1	TI	04+	SOP8	Brand new original
UCC3808AD-2	UNITRODE	01+	SOP-8P	Brand new original in stock
UCC3808A-2	TI	10+	8PDIP, 8SOIC, 8TSSOP	Low power current mode push-pull PWM
UCC3808A-1	TI	10+	8PDIP, 8SOIC, 8TSSOP	Low power current mode push-pull PWM

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