Datasheet > ZL2004ALNLT

ZL2004ALNLT

更新时间： 2024-02-26 20:23:34

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瑞萨 - RENESAS		/
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42页	922K
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ZL2004ALNLT 数据手册

NOT RECOMMENDED FOR NEW

DESIGNS RECOMMENDED

REPLACEMENT PART ZL8101

ZL2004

Data Sheet

February 15, 2011

FN6846.3

Adaptive Digital DC-DC Controller with Current Sharing

Description

Features

Power Conversion

The ZL2004 is a digital DC-DC controller designed to

work with the ZL1505 MOSFET driver IC. Current

sharing allows multiple devices to be connected in

parallel to source loads with very high current

Efficient synchronous buck controller

Adaptive performance optimization algorithms

4.5 V to 14 V input range

0.54 V to 4 V output range (with margin)

± 1% V_OUTset-point accuracy

Fast load transient response

Current sharing and phase interleaving

Digitally adjustable current sense range

Snapshot™ parameter capture

demands.

Adaptive

performance

optimization

algorithms improve power conversion efficiency across

the entire load range. Zilker Labs Digital-DC™

technology enables a blend of power conversion

performance and power management features.

The ZL2004 is designed to be a flexible building block

for DC power and can be easily adapted to designs

ranging from a single-phase power supply operating

from a 4.5 V input to a multi-phase supply operating

from a 12V input. The ZL2004 eliminates the need for

complicated power supply managers as well as

numerous external discrete components.

RoHS compliant (5 x 5 mm) QFN package

Power Management

Digital soft start/stop

Precision delay and ramp-up

Power good/enable

Voltage tracking, sequencing and margining

Voltage/current/temperature monitoring

SMBus communication (PMBus compliant)

Output voltage and current protection

Internal non-volatile memory (NVM)

All operating features can be configured by simple pin-

strap/resistor selection or through the SMBus™ serial

interface. The ZL2004 uses the PMBus™ protocol for

communication with a host controller and the Digital-

DC bus for communication between other Zilker Labs

devices.

Applications

Servers / storage equipment

Telecom / datacom equipment

Power supplies (memory, DSP, ASIC, FPGA)

SS FC ILIM

CFG

V25 VR VDD

EN PG

V (0,1)

VMON

MGN

LDO

POWER

MANAGEMENT

SYNC

DDC

LEVEL

SHIFTER

PWMH

PWML

NON-

VOLATILE

MEMORY

PWM

CONTROLLER

ISENA

ISENB

CURRENT

SENSE

SCL

SDA

SALRT

TEMP

SENSOR

MONITOR

ADC

I²C

VTRK

VSEN+/-

SA (0,1)

XTEMP

SGND DGND

Figure 1. Block Diagram

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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