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MAX8760ETL-T

CategoryPower/power management    The power supply circuit   
File Size860KB,39 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX8760ETL-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeQFN
package instructionHVQCCN, LCC40,.24SQ,20
Contacts40
Reach Compliance Codenot_compliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage5.5 V
Minimum input voltage4.5 V
Nominal input voltage5 V
JESD-30 codeS-XQCC-N40
JESD-609 codee0
length6 mm
Humidity sensitivity level1
Number of functions1
Number of terminals40
Maximum operating temperature100 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Encapsulate equivalent codeLCC40,.24SQ,20
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)245
Certification statusNot Qualified
Maximum seat height0.8 mm
surface mountYES
Switch configurationPHASE-SHIFT
Maximum switching frequency550 kHz
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width6 mm
19-3721; Rev 0; 5/05
KIT
ATION
EVALU
BLE
AVAILA
Dual-Phase, Quick-PWM Controller for AMD
Mobile Turion 64 CPU Core Power Supplies
General Description
The MAX8760 is a dual-phase, Quick-PWM™, step-
down controller for 6-bit VID AMD Mobile Turion™ 64
CPU core supplies. Dual-phase operation reduces input
ripple current requirements and output voltage ripple
while easing component selection and layout difficulties.
The Quick-PWM control scheme provides instantaneous
response to fast-load current steps. The MAX8760
includes active voltage positioning with adjustable gain
and offset, reducing power dissipation and bulk output
capacitance requirements.
The MAX8760 is intended for two different notebook CPU
core applications: stepping down the battery directly or
stepping down the 5V system supply to create the core
voltage. The single-stage conversion method allows this
device to directly step down high-voltage batteries for the
highest possible efficiency. Alternatively, two-stage con-
version (stepping down the 5V system supply instead of
the battery) at a higher switching frequency provides the
minimum possible physical size.
The MAX8760 complies with AMD’s desktop and mobile
CPU specifications. The switching regulator features soft-
start and power-up sequencing, and soft-shutdown. The
MAX8760 also features independent four-level logic inputs
for setting the suspend voltage (S0, S1).
The MAX8760 includes output undervoltage protection,
thermal protection, and voltage regulator power-OK
(VROK) output. When any of these protection features
detect a fault, the controller shuts down.
The MAX8760 is available in a low-profile, 40-pin 6mm x
6mm thin QFN package. For other CPU platforms, refer to
the pin-to-pin compatible MAX1544, MAX1519/MAX1545,
and MAX1532/MAX1546/MAX1547 data sheets.
Dual-Phase, Quick-PWM Controller
±0.75% V
OUT
Accuracy Over Line, Load, and
Temperature (1.3V)
Active Voltage Positioning with Adjustable Gain
and Offset
6-Bit On-Board DAC: 0.375V to 1.55V Output
Adjust Range
Selectable 100kHz/200kHz/300kHz/550kHz
Switching Frequency
4V to 28V Battery Input Voltage Range
Adjustable Slew-Rate Control
Drives Large Synchronous Rectifier MOSFETs
Undervoltage and Thermal-Fault Protection
Power Sequencing and Timing
Selectable Suspend Voltage
Soft-Start and Soft-Shutdown
Selectable Single- or Dual-Phase Pulse Skipping
Features
MAX8760
Ordering Information
PART
MAX8760ETL
TEMP RANGE
-40°C to +100°C
PIN-PACKAGE
40 Thin QFN 6mm x 6mm
40 Thin QFN 6mm x 6mm
MAX8760ETL+ -40°C to +100°C
+Denotes
lead-free package.
Pin Configuration
DLM
DHM
V
DD
TOP VIEW
LXM
BSTM
VROK
D0
D1
D2
D3
Applications
6-Bit VID AMD Mobile Turion 64 CPU
Multiphase CPU Core Supply
Voltage-Positioned Step-Down Converters
Servers/Desktop Computers
PGND
DLS
DHS
LXS
BSTS
V+
CMP
CMN
CSN
CSP
31
32
33
34
35
36
37
38
39
40
30 29 28 27 26 25 24 23 22 21
20
19
18
17
16
D4
D5
SKIP
OAIN+
OAIN-
FB
CCI
GNDS
CCV
GND
MAX8760
15
14
13
12
11
1
TIME
2
3
4
5
6
7
8
9 10
SHDN
OFS
S0
S1
Quick-PWM is a trademark of Maxim Integrated Products, Inc.
Turion is a trademark of AMD.
THIN QFN
1
________________________________________________________________
Maxim Integrated Products
For pricing delivery, and ordering information please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
REF
ILIM
V
CC
TON
SUS

MAX8760ETL-T Related Products

MAX8760ETL-T MAX8760ETL
Description Switching Controllers
Is it lead-free? Contains lead Contains lead
Is it Rohs certified? incompatible incompatible
Maker Maxim Maxim
Parts packaging code QFN QFN
package instruction HVQCCN, LCC40,.24SQ,20 HVQCCN, LCC40,.24SQ,20
Contacts 40 40
Reach Compliance Code not_compliant not_compliant
ECCN code EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING CONTROLLER SWITCHING CONTROLLER
control mode CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 5.5 V 5.5 V
Minimum input voltage 4.5 V 4.5 V
Nominal input voltage 5 V 5 V
JESD-30 code S-XQCC-N40 S-XQCC-N40
JESD-609 code e0 e0
length 6 mm 6 mm
Humidity sensitivity level 1 1
Number of functions 1 1
Number of terminals 40 40
Maximum operating temperature 100 °C 100 °C
Minimum operating temperature -40 °C -40 °C
Package body material UNSPECIFIED UNSPECIFIED
encapsulated code HVQCCN HVQCCN
Encapsulate equivalent code LCC40,.24SQ,20 LCC40,.24SQ,20
Package shape SQUARE SQUARE
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 245 245
Certification status Not Qualified Not Qualified
Maximum seat height 0.8 mm 0.8 mm
surface mount YES YES
Switch configuration PHASE-SHIFT PHASE-SHIFT
Maximum switching frequency 550 kHz 550 kHz
technology BICMOS BICMOS
Temperature level INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm
Terminal location QUAD QUAD
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED
width 6 mm 6 mm
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