UCC3808-2

所属类别：ACDC-和-DCDC-电源
产品名称：低功耗电流模式推拉 PWM
厂商：TI
生产批号：10+
封装：8PDIP, 8SOIC
库存状态：有库存
库存量：6000
最低订购量：1
详细资料：

Product Introduction

The UCC3808 is a family of BiCMOS push-pull, high-speed, low-power, pulse-width modulators. Contains all control and drive circuitry required for UCC3808 offline or switching with a minimum number of external components, power supply, DC to DC fixed frequency current mode.

The UCC3808 stages of the dual output drivers are arranged in a push-pull configuration. Half of the oscillators of the two output switches use one switch flip-flop frequency. The dead time between two outputs, typically between 60 nanoseconds and 200 nanoseconds, depends on the values of capacitance and resistance, limiting the duty cycle of less than 50% per output stage.

The UCC3808 series offers a wide range of package temperature ranges, undervoltage lockout levels, and options.

characteristic

The dual-output drive stage is in a push-pull configuration
Typical starting current of 130 microamps
Typical operating current of 1 mA
Operates to 1 MHz
Internal soft start
In a chip with a 2-MHz gain bandwidth product error amplifier
Clamping of VDD on the chip
The 500-mA peak current source in the output drive stage is capable of absorbing current at a peak of 1

parameter

		UCC3808 - 2
topology		Full bridge, half bridge, push and pull
Control method		Current mode
Duty Cycle (Max) (%)		50
Frequency (max) (kHz)		1000
On/off of undervoltage lockout threshold (5)		4.3/4.1
Pin/Pack		8PDIP，8SOIC
(#) Regulated output		2
Operating Temperature Range (°C)		0 to 70

ICs related to UCC3808-2 include:

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TPS3808G33DBVR	TI	10+	N/A	Brand new original import, Hong Kong spot
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TPS3808G25DBVR	TI	10+	N/A	Brand new original import, Hong Kong spot
UCC38085PW	TI	08+	TSSOP-8	Totem pole output PWM controller with slope compensation current mode
UCC3808AD-1	TI	04+	SOP8	Brand new original
UCC3808AD-2	UNITRODE	01+	SOP-8P	New original stock in stock
UCC3808D-2	UNITRODE	04+	SOP-8
UCC38086PW	TI	N／A	N／A	Totem pole output PWM controller with slope compensation current mode
UCC38083DR	TI/UC	0752+	SOP-8	Brand new original
IRF3808L	IR	05+	TO-262	Brand new original
IRF3808S	IR	05+	D2PAK	Brand new original
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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
UCC38086	TI	11+	8PDIP, 8SOIC, 8TSSOP	Current-mode push-pull PWM with programmable slope compensation
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