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ZL8101ALAF

Description
Adaptive Digital DC/DC PWM Controller with Auto Compensation; QFN32; Temp Range: -40° to 85°C
CategoryPower/power management    The power supply circuit   
File Size2MB,36 Pages
ManufacturerRenesas Electronics Corporation
Websitehttps://www.renesas.com/
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ZL8101ALAF Overview

Adaptive Digital DC/DC PWM Controller with Auto Compensation; QFN32; Temp Range: -40° to 85°C

ZL8101ALAF Parametric

Parameter NameAttribute value
Brand NameIntersil
MakerRenesas Electronics Corporation
Parts packaging codeQFN
package instructionQCCN, LCC32,.2SQ,20
Contacts32
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time9 weeks
Is SamacsysN
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
control modeVOLTAGE-MODE
JESD-30 codeS-PQCC-N32
JESD-609 codee3
Humidity sensitivity level2
Number of terminals32
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeQCCN
Encapsulate equivalent codeLCC32,.2SQ,20
Package shapeSQUARE
Package formCHIP CARRIER
Certification statusNot Qualified
surface mountYES
Maximum switching frequency1400 kHz
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn) - annealed
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Base Number Matches1
DATASHEET
ZL8101
Adaptive Digital DC/DC PWM Controller with Auto Compensation
The ZL8101 is a digital PWM controller with auto
compensation that is designed to work with either the ZL1505
MOSFET driver IC, ISL6611 Phase Doubler IC, or DrMOS type
devices. Current sharing allows multiple devices to be
connected in parallel to source loads with very high current
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 ZL8101 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 4.5V input to a
multi-phase supply operating from a 12V input. The ZL8101
eliminates the need for complicated power supply managers
as well as numerous external discrete components.
Most operating features can be configured by simple
pin-strap/resistor selection or through the SMBus™ serial
interface. The ZL8101 uses the PMBus™ protocol for
communication with a host controller and the Digital-DC bus
for communication between other Zilker Labs devices.
FN7832
Rev 1.00
July 13, 2012
Features
• Efficient Synchronous Buck Controller
• Adaptive Performance Optimization Algorithms
• ±1% Output Voltage Accuracy
• Auto Compensation
Snapshot™
Parametric Capture
• I
2
C/SMBus Interface, PMBus Compatible
• Internal Non-Volatile Memory (NVM)
• Tri-State PWM Gate Outputs
• Compatible with Industry Standard DrMOS Devices
• Compatible with Intersil ISL6611 Phase Doubler
• Synchronized External Driver Control
Applications
• Servers/Storage Equipment
• Telecom/Datacom Equipment
• Power Supplies (Memory, DSP, ASIC, FPGA)
Related Literature
AN2033
“Zilker Labs PMBus Command Set - DDC Products”
AN2034
“Configuring Current Sharing on the ZL2004 and
ZL2006”
AN2010
“Thermal and Layout Guidelines for Digital-DC™
Products”
96
V
OUT
= 3.3V
91
EFFICIENCY (%)
V
OUT
= 1.5V
86
V
OUT
= 1.0V
V
OUT
= 1.2V
V
IN
= 12V
f
SW
= 400kHz
L = 0.45µH
G
H
= 1 x BSC050NE2Ls
G
L
= 2 x BSC010NE2LS
2
4
6
8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
OUTPUT CURRENT (A)
V
OUT
= 1.8V
V
OUT
= 2.5V
81
76
FIGURE 1. EFFICIENCY vs LOAD CURRENT
FN7832 Rev 1.00
July 13, 2012
Page 1 of 36

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Description Adaptive Digital DC/DC PWM Controller with Auto Compensation; QFN32; Temp Range: -40° to 85°C IC REG CTRLR BUCK PMBUS 32QFN

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