Datasheet > UCC3750Q

UCC3750Q

更新时间： 2024-11-18 20:52:15

品牌	Logo	应用领域
德州仪器 - TI		电信信息通信管理电信集成电路
页数	文件大小	规格书
18页	1393K
描述
SPECIALTY TELECOM CIRCUIT, PQCC28

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中文翻译

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技术参数
数据手册

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UCC3750Q 技术参数

生命周期：	Obsolete	包装说明：	QCCJ,
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.64	JESD-30 代码：	S-PQCC-J28
长度：	11.505 mm	功能数量：	1
端子数量：	28	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	QCCJ	封装形状：	SQUARE
封装形式：	CHIP CARRIER	认证状态：	Not Qualified
座面最大高度：	4.57 mm	标称供电电压：	3 V
表面贴装：	YES	技术：	BICMOS
电信集成电路类型：	TELECOM CIRCUIT	温度等级：	COMMERCIAL
端子形式：	J BEND	端子节距：	1.27 mm
端子位置：	QUAD	宽度：	11.505 mm
Base Number Matches：	1

UCC3750Q 数据手册

application

INFO

UCC2750

UCC3750

available

Source Ringer Controller

FEATURES

DESCRIPTION

• Provides Control for Flyback Based

Four Quadrant Amplifier Topology

The UCC3750 Source Ringer Controller provides a complete control and

drive solution for a four quadrant flyback-based ring generator circuit. The

IC controls a primary side switch, which is modulated when power transfer

is taking place from input to output. It also controls two secondary

switches which act as synchronous rectifier switches during positive

power flow. These switches are pulse-width-modulated when the power is

being delivered back to the source.

• Onboard Sine Wave Reference with

Low THD

• Selectable Ringing Frequency for

Different Phone Systems (20Hz,

25Hz and 50Hz)

The UCC3750 has an onboard sine wave reference with programmable

frequencies of 20Hz, 25Hz and 50Hz. The reference is derived from a

high-frequency (32kHz) crystal connected externally. Two fre-

quency-select pins control an internal divider to give a sinusoidal output at

20Hz, 25Hz or 50Hz. The ring generator can also be used at other fre-

quencies by supplying externally generated sine-waves to the chip or by

clocking the crystal input at a fixed multiple of the desired frequency.

• Programmable Output Amplitude and

DC Offset

• DC Current Limiting for Short Circuit

Protection

• Secondary Side Voltage Mode

Control

Other features included in the UCC3750 are programmable DC current

limit (with buffer amplifier), a charge-pump circuit for gate drive voltage, in-

ternal 3V and 7.5V references, a triangular clock oscillator and a buffer

amplifier for adding programmable DC offset to the output voltage. The

UCC3750 also provides an uncommitted amplifier (AMP) for other signal

processing requirements.

• Operates from a Single 5V Supply

TYPICAL APPLICATION

–48V

OUT

48V

OUT

GD2 GD3 ENBL REF

VCP

GD1

UCC3750

VS 2

24 RT

23 CT

VS 1

RGOOD

VDD

11 OUTDC

OUT2 15

12 NEGDC

13 AMP OUT

14 AMP IN

22 XTAL1

21 XTAL2

20 FS0

NEG2 18

OUT1 16

NEG1 17

SINFLT 10

19 FS1

SINREF

SWRLY

GND

C17

0.047µF

UDG-99073

SLUS172C - DECEMBER 1999 - REVISED AUGUST 2005

12 3 4 5 6 7...18

中文翻译

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与UCC3750Q相关器件

型号	品牌	获取价格	描述	数据表
UCC3751	TI	获取价格	Single Line Ring Generator Controller
UCC3751D	TI	获取价格	Single Line Ring Generator Controller 16-SOIC 0 to 70
UCC3751DG4	TI	获取价格	Single Line Ring Generator Controller 16-SOIC 0 to 70
UCC3751DTR	TI	获取价格	IC SPECIALTY TELECOM CIRCUIT, PDSO16, GREEN, SOIC-16, Telecom IC:Other
UCC3751DTRG4	TI	获取价格	SPECIALTY TELECOM CIRCUIT, PDSO16, SOIC-16
UCC3751N	TI	获取价格	Single Line Ring Generator Controller 16-PDIP 0 to 70
UCC3751NG4	TI	获取价格	Single Line Ring Generator Controller 16-PDIP 0 to 70
UCC3752	TI	获取价格	Resonant Ring Generator Controller
UCC37524N	TI	获取价格	3A 2 CHANNEL, BUF OR INV BASED MOSFET DRIVER, PDIP8, PLASTIC, DIP-8
UCC3752D	TI	获取价格	Resonant Ring Generator Controller

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