Datasheet > ISL6551IB-T

ISL6551IB-T

更新时间： 2024-11-29 20:21:15

品牌	Logo	应用领域
瑞萨 - RENESAS		开关光电二极管
页数	文件大小	规格书
27页	1323K
描述
DUAL SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO28, PLASTIC, MS-013AE, SOIC-28

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ISL6551IB-T 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	PLASTIC, MS-013AE, SOIC-28
针数：	28	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.64	模拟集成电路 - 其他类型：	DUAL SWITCHING CONTROLLER
控制模式：	CURRENT-MODE	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	13.2 V	最小输入电压：	10.8 V
标称输入电压：	12 V	JESD-30 代码：	R-PDSO-G28
JESD-609代码：	e0	长度：	17.9 mm
湿度敏感等级：	2	功能数量：	1
端子数量：	28	最高工作温度：	85 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP28,.4
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	240	认证状态：	Not Qualified
座面最大高度：	2.65 mm	子类别：	Switching Regulator or Controllers
表面贴装：	YES	切换器配置：	PUSH-PULL
最大切换频率：	1000 kHz	温度等级：	OTHER
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	7.5 mm
Base Number Matches：	1

ISL6551IB-T 数据手册

DATASHEET

ISL6551

ZVS Full Bridge PWM Controller

FN9066

Rev 7.00

Oct 28, 2015

The ISL6551 is a zero voltage switching (ZVS) full-bridge PWM

controller designed for isolated power systems. This part

implements a unique control algorithm for fixed-frequency ZVS

current mode control, yielding high efficiency with low EMI. The

two lower drivers are PWM controlled on the trailing edge and

employ resonant delay while the two upper drivers are driven

at a fixed 50% duty cycle.

Features

• High speed PWM (up to 1MHz) for ZVS full bridge control

• Current mode control compatible

• High current high-side and low-side totem-pole drivers

• Adjustable resonant delay for ZVS

• 10MHz error amplifier bandwidth

• Programmable soft-start

This IC integrates many features in 28 Ld SOIC package to

yield a complete and sophisticated power supply solution.

Control features include programmable soft-start for

controlled start-up, programmable resonant delay for zero

voltage switching, programmable leading edge blanking to

prevent false triggering of the PWM comparator due to the

leading edge spike of the current ramp, adjustable ramp for

slope compensation, drive signals for implementing

• Precision bandgap reference

• Latching shutdown input

• Non-latching enable input

• Adjustable leading edge blanking

• Adjustable dead time control

synchronous rectification in high output current, ultra high

efficiency applications and current share support for

• Adjustable ramp for slope compensation

• Fast short-circuit protection (hiccup mode)

• Adjustable cycle-by-cycle peak current limiting

• Drive signals to implement synchronous rectification

• VDD undervoltage lockout

paralleling up to 10 units, which helps achieve higher reliability

and availability as well as better thermal management.

Protective features include adjustable cycle-by-cycle peak

current limiting for overcurrent protection, fast short-circuit

protection (in hiccup mode), a latching shutdown input to turn

off the IC completely on output overvoltage conditions or other

extreme and undesirable faults, a non-latching enable input to

accept an enable command when monitoring the input voltage

• Current share support

• ±5% “in regulation” indication

and thermal condition of a converter and V undervoltage

• Pb-free (RoHS compliant)

lockout with hysteresis. Additionally, the ISL6551 includes

high current high-side and low-side totem-pole drivers to avoid

additional external drivers for moderate gate capacitance (up

to 1.6nF at 1MHz) applications, an uncommitted high

bandwidth (10MHz) error amplifier for feedback loop

compensation, a precision bandgap reference with ±1.5%

(ISL6551AB) or ±1% (ISL6551IB) tolerance across

recommended operating conditions and a ±5% “in regulation”

monitor.

Applications

• Full-bridge and push-pull converters

• Power supplies for off-line and Telecom/Datacom

• Power supplies for high end microprocessors and servers

Related Literature

• AN1002, 200W, 470kHz, Telecom Power Supply Using

ISL6551 Full-Bridge Controller and ISL6550 Supervisor and

Monitor.

In addition to the ISL6551, other external elements such as

transformers, pulse transformers, capacitors, inductors and

Schottky or synchronous rectifiers are required for a complete

power supply solution. A detailed 200W telecom power supply

reference design using the ISL6551 with companion Intersil

ICs, Supervisor and Monitor ISL6550, and Half-bridge Driver

HIP2100, is presented in application note AN1002.

In addition, the ISL6551 can also be designed in push-pull

converters using all of the features except the two upper

drivers and adjustable resonant delay features.

FN9066 Rev 7.00

Oct 28, 2015

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与ISL6551IB-T相关器件

型号	品牌	获取价格	描述	数据表
ISL6551IBZ	INTERSIL	获取价格	ZVS Full Bridge PWM Controller
ISL6551IBZ-T	INTERSIL	获取价格	ZVS Full Bridge PWM Controller
ISL6551IBZ-T	RENESAS	获取价格	ZVS Full Bridge PWM Controller; SOIC28; Temp Range: See Datasheet
ISL6551IR	INTERSIL	获取价格	ZVS Full Bridge PWM Controller
ISL6551IR	RENESAS	获取价格	DUAL SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PQCC28, 6 X 6 MM, PLASTIC, MO-220VJ
ISL6551IREC	INTERSIL	获取价格	ZVS Full Bridge PWM Controller
ISL6551IR-T	INTERSIL	获取价格	ZVS Full Bridge PWM Controller
ISL6551IR-T	RENESAS	获取价格	DUAL SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PQCC28, 6 X 6 MM, PLASTIC, MO-220VJ
ISL6551IR-TEC	INTERSIL	获取价格	ZVS Full Bridge PWM Controller
ISL6551IRZ	INTERSIL	获取价格	ZVS Full Bridge PWM Controller

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