UCC3895

所属类别：ACDC-和-DCDC-电源
产品名称：BiCMOS 高级相移 PWM 控制器
厂商：TI
生产批号：07+
封装：20PDIP, 20PLCC, 20SOIC, 20TSSOP
库存状态：有库存
库存量：4038
最低订购量：1
详细资料：

Product Introduction

The UCC3895 is a phase-shifted PWM controller, which realizes the control of the power level of the transferred half-bridge relative to the other switching phases. It allows a fixed frequency with a resonant zero-voltage switch to pulse-width modulation at high frequencies to provide high efficiency. The device can be used not only as a voltage mode or current mode controller.

While UCC3895 maintains the features of the UC3875/6/7/8 Home and UC3879, it improves the control logic such as enhanced, adaptive time-lapse settings, and turns off the function with other controller series. Since it uses the BCDMOS process, it greatly reduces its operation with the supply ratio of its peers to bipolar current.

characteristic

Programmable output turns on delay
Adaptive delay settings
Bidirectional oscillator synchronization
Voltage mode, peak current mode, or
Average current mode control
Programmable Soft Start/Softstop and Chip
Disable through one pin
0% to 100% duty cycle control
7 MHz error amplifier
to 1 MHz operation
Typical 5-mA operating current 500 kHz
Very low 150μA current during UVLO
apply
- Phase-shifting full-bridge converter
- Offline, telecommunications, datacom and servers
- Distributed power architecture
- High-density power modules

parameter

			UCC3895
topology			Boost, buck, full bridge
Control method			Current mode, voltage mode
Duty Cycle (Max) (%)			100
Frequency (max) (kHz)			1000 years
On/off of undervoltage lockout threshold (5)			11 / 9
Pin/Pack			20PDIP，20PLCC，20SOIC，20TSSOP
(#) Regulated output			4
Operating Temperature Range (°C)			0 to 70

ICs related to UCC3895 include:

Model	Manufacturers	lot number	encapsulation	illustrate
VA3895K??	LITTELFUSE	12+	N/A	Electronic components
V3895KZ??	LITTELFUSE	11+	DIP	connector
HMPP3895	AVAGO	10+	MINIPAK
UCC3895DWTRG4	TI	10+11+	SOP-20	Hong Kong spot, imported original
HSMP-3895-TR1	Agilent	04+	SOT-143	Brand new original
UC3895DW	UNITRODE	00+	SOP-20P	New original stock in stock
UCC3895	TI	07+	20PDIP, 20PLCC, 20SOIC, 20TSSOP	BiCMOS Advanced Phase-Shift PWM Controller
UCC3895PW	IR	0920+	TO-262
UCC3895N	TI/BB	04+	DIP20
UCC3895PW	MICREL	0715+	SOP-8
UCC3895PWTR	TI	0849+	SOP
UCC3895PW	TI	0949+	TSSOP-20
UCC3895DW	TI	0840+	SOIC-20
UCC3895DWG4	TI	0940+	SOIC20
UCC3895DW	TI	10+	MSOP

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UCC3884	TI	08+	16PDIP, 16SOIC	Frequency foldback current mode PWM controller
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UCC3808A-2	TI	10+	8PDIP, 8SOIC, 8TSSOP	Low-power current mode push-pull PWM
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UCC3895

parameter

ICs related to UCC3895 include:

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