Datasheet > ZL8800ALAFTK

ZL8800ALAFTK

更新时间： 2024-11-29 12:18:11

品牌	Logo	应用领域
英特矽尔 - INTERSIL		控制器
页数	文件大小	规格书
82页	1083K
描述
Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller

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ZL8800ALAFTK 数据手册

Dual Channel/Dual Phase PMBus™ ChargeMode

Control DC/DC Digital Controller

ZL8800

Features

• Unique compensation-free design – always stable

• Output voltage range: 0.54V to 5.5V

• Input voltage range: 4.5V to 14V

The ZL8800 is a dual output or dual phase digital DC/DC

controller. Each output can operate independently or be used

together in a dual phase configuration for high current

applications.

• 1% Output Voltage accuracy over line, load and temperature

The ZL8800 supports a wide range of output voltages

(0.54V to 5.5V) operating from input voltages as low as 4.5V

up to 14V.

• ChargeMode Control achieves fast transient response,

reduced output capacitance and provides output stability

without compensation.

With the fully digital ChargeMode Control the ZL8800 will

respond to a transient load step within a single switching cycle.

This unique compensation-free modulation technique allows

designs to meet transient specifications with minimum output

capacitance thus saving cost and board space.

• Switching frequency range 200kHz to 1.33MHz

• Proprietary single wire DDC (Digital-DC) serial bus enables

voltage sequencing and fault spreading with other Zilker ICs

• Tracking of an external power supply

Intersil’s proprietary single wire DDC (Digital-DC) serial bus

enables the ZL8800 to communicate between other Zilker ICs.

By using the DDC, the ZL8800 achieves complex functions

such as inter-IC phase current balancing, sequencing, and fault

spreading, eliminating complicated power supply managers

with numerous external discrete components.

• Cycle by cycle inductor peak current protection

• Digital fault protection for output voltage UV/OV, input

voltage UV/OV, temperature and MOSFET driver voltage

• 10-bit average output current measurement with adjustable

gain settings for sensing with high current, low DCR

inductors

The ZL8800 features cycle by cycle output overcurrent

protection. The input voltage, output voltages and

DrMOS/MOSFET driver supply voltages are overvoltage and

overvoltage protected. Two external and one internal

temperature sensor are available for temperature monitoring,

one of which is used for under and over-temperature

protection. A snapshot parametric capture feature allows

users to take a snapshot of operating and fault data during

normal or fault conditions.

• 10-bit monitor ADC measures Input Voltage, Input current,

Output Voltage, Internal, External Temperature, driver

voltage

• Configurable to use stand-alone MOSFET drivers or

integrated Driver-MOSFET (DrMOS) devices

• Non-volatile memory for storing operating parameters and

fault events.

• PMBus™ compliant

Integrated Low Drop-Out (LDO) regulators allow the ZL8800 to

be operated from a single input supply eliminating the need

for additional linear regulators. The LDO output can be used to

power external drivers or DrMOS devices.

Applications

• Servers/storage equipment

• Telecom/datacom equipment

• Power supplies (memory, DSP, ASIC, FPGA)

With full PMBus™ compliance the ZL8800 is capable of

measuring and reporting input voltage, input current, output

voltage, output current as well as the device’s internal

temperature, 2 external temperatures and an auxiliary voltage

input.

October 10, 2013

FN7558.1

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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与ZL8800ALAFTK相关器件

型号	品牌	获取价格	描述	数据表
ZL8800ALBFT	INTERSIL	获取价格	Dual Channel/Dual Phase PMBusâ¢ ChargeModeâ
ZL8800ALBFT	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800ALBFT7A	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800ALBFTK	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800ALBFTK	INTERSIL	获取价格	Dual Channel/Dual Phase PMBusâ¢ ChargeModeâ
ZL8801	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8801-2PH-DEMO1Z	RENESAS	获取价格	Dual Phase PMBusâ¢ ChargeModeâ¢ Control DC/
ZL8801-2PH-DEMO1Z	INTERSIL	获取价格	Dual Phase PMBusâ¢ ChargeModeâ¢ Control DC/
ZL8801-4PH-DEMO1Z	INTERSIL	获取价格	Dual Phase PMBusâ¢ ChargeModeâ¢ Control DC/
ZL8801-4PH-DEMO1Z	RENESAS	获取价格	Dual Phase PMBusâ¢ ChargeModeâ¢ Control DC/

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