MAX8796, MAX8797, MAX17401
1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers
1-Phase, Intel IMVP-6/6+ Controllers Ideal for Atom CPU and UMPC Designs
Overview
Technical Documents
Ordering Info
Related Products
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Status
Part Number
MAX17401
MAX8796
MAX8797
Status
Active: In Production.
Active: In Production.
Custom Order: Minimum order quantities and other restrictions may apply.
Data Sheet
Request Full Data Sheet
Custom Order
Description
The MAX8796/MAX8797/MAX17401 are 1-phase Quick-PWM™ step-down VID power-supply controllers for Intel
notebook CPUs and graphics. The Quick-PWM control provides instantaneous response to fast load current
steps. Active voltage positioning reduces power dissipation and bulk output capacitance requirements and allows
ideal positioning compensation for tantalum, polymer, or ceramic bulk output capacitors.
The MAX8796/MAX8797/MAX17401 are intended for two different notebook CPU/GPU core applications: either
bucking down the battery directly to create the core voltage, or else bucking down the +5V system supply. The
single-stage conversion method allows this device to directly step down high-voltage batteries for the highest
possible efficiency. Alternatively, 2-stage conversion (stepping down the +5V system supply instead of the
battery) at higher switching frequency provides the minimum possible physical size.
A slew-rate controller allows controlled transitions between VID codes. A thermistor-based temperature sensor
provides programmable thermal protection. A power monitor provides an analog voltage output proportional to the
power consumed by the CPU/GPU.
The MAX8796/MAX17401 implement both the Intel IMVP-6 CPU core specifications, as well as the Intel GMCH
graphics core specifications. The MAX8797 implements the Intel GMCH graphics core specifications. The
MAX8796/MAX17401 are available in a 32-pin TQFN package. The MAX8797 is available in a 28-pin TQFN
package.
Key Features
1-Phase Quick-PWM Controllers
±0.5% V
OUT
Accuracy Over Line, Load, and Temperature
7-Bit IMVP-6 DAC (MAX8796/MAX17401 Only)
5-Bit GMCH DAC
Active Voltage Positioning with Adjustable Gain
Accurate Droop and Current Limit
Remote Output and Ground Sense
Adjustable Output-Voltage Slew Rate
Power-Good Window Comparator
Power Monitor
Temperature Comparator
Drives Large Synchronous Rectifier FETs
2V to 26V Power Input Range
Adjustable Switching Frequency (600kHz max)
Output Overvoltage Protection (MAX8796/MAX8797 Only)
Undervoltage and Thermal-Fault Protection
Soft-Startup and Soft-Shutdown
Internal Boost Diodes
Applications/Uses
2 to 4 Lithium-Ion (Li+) Cell Battery-
to-CPU Core Supply Converters
Graphics Core Power Supply
IMVP-6/IMVP-6+ Core Power Supply
Intel GMCH Crestline/Cantiga
Notebooks/Desktops/Servers
Voltage-Positioned Step-Down
Converters
Reliability Reports
Reliability Report:
Show FIT data for:
MAX8796.pdf
MAX8796
MAX8796
Go
Request Reliability Report for:
MAX8797
MAX8797
Go
Product Change Notices
Device
MAX8796GTJ+
Issue Date
2011-11-29
2010-11-29
2010-10-06
2010-09-28
2011-11-29
2011-08-31
2010-11-29
2010-10-06
2010-09-28
2011-11-29
2010-11-29
2010-10-06
2010-09-28
2011-11-29
2010-11-29
2010-10-06
2010-09-28
2011-11-29
2010-11-29
2010-10-06
2010-09-28
2011-11-29
2010-11-29
2010-10-06
2010-09-28
2011-11-29
2010-11-29
2010-10-06
2010-03-26
2011-11-29
2010-11-29
2010-10-06
2010-03-26
Area
WAFER FAB
ASSEMBLY
WAFER FAB
ASSEMBLY
WAFER FAB
WAFER FAB
ASSEMBLY
WAFER FAB
ASSEMBLY
WAFER FAB
ASSEMBLY
WAFER FAB
ASSEMBLY
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ASSEMBLY
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ASSEMBLY
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ASSEMBLY
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ASSEMBLY
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ASSEMBLY
WAFER FAB
ASSEMBLY
WAFER FAB
ASSEMBLY
Product Change Notice
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873
831
813
799
(PDF,
(PDF,
(PDF,
(PDF,
112.2kB)
46.5kB)
432.9kB)
52.3kB)
MAX8796GTJ+T
873
(PDF, 112.2kB)
958_PRE-PCN
831
(PDF, 46.5kB)
813
(PDF, 432.9kB)
799
(PDF, 52.3kB)
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799
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831
813
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52.3kB)
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282.7kB)
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432.9kB)
282.7kB)
MAX8796GTJ+TC8V
MAX8796GTJ+TG05
MAX8796GTJ+TG071
MAX8796GTJ+TGC1
MAX8797GTI+
MAX8797GTI+T
Disclaimer
PCN's displayed are for notification only and are effective on the date distributed.
Software/Models
none
Ordering Information
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Temperature:
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Tape and Reel
Temp
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Status
Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR
*
KIT;
RoHS/Lead-Free?
Materials Analysis
MAX8796EVKIT#
Buy
Custom
Order
Land Pattern: Not Available
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
TQFN;32 pin;26 mm²
See data sheet
MAX8796GTJ+
Sample
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Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+C8V
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Custom
Order
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
QFN;
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+G05
Buy
Custom
Order
Land Pattern: Not Available
QFN;
-40°C to +105°C
See data sheet
MAX8796GTJ+G071
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Custom
Order
Land Pattern: Not Available
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
QFN;
-40°C to +105°C
See data sheet
MAX8796GTJ+G1D
Buy
Active: Data
sheet on
request only
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+G51
Buy
Custom
Order
Land Pattern: Not Available
QFN;
-40°C to +105°C
See data sheet
MAX8796GTJ+GA4
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Land Pattern: Not Available
QFN;
-40°C to +105°C
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MAX8796GTJ+GB4
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Land Pattern: Not Available
QFN;
-40°C to +105°C
See data sheet
MAX8796GTJ+GC1
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Land Pattern: Not Available
-40°C to +105°C
See data sheet
Part Number
Free
Sample
Buy
Status
Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR
*
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Use pkgcode/variation: T3255+3*
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern:
90-0001
(PDF)
Temp
RoHS/Lead-Free?
Materials Analysis
MAX8796GTJ+T
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+TC8V
Buy
Custom
Order
-40°C to +85°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+TG05
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+TG071
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+TG1D
Buy
Active: Data
sheet on
request only
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+TG51
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+TGA4
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+TGB4
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8796GTJ+TGC1
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
Use pkgcode/variation: T3255+3*
KIT;
MAX8797EVKIT+
Buy
Custom
Order
Land Pattern: Not Available
See data sheet
Part Number
Free
Sample
Buy
Status
Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR
*
TQFN;28 pin;16.8 mm²
Outline Drawing:21-0139 (PDF)
Land Pattern:
90-0035
(PDF)
Use pkgcode/variation: T2844+1*
QFN;
Temp
RoHS/Lead-Free?
Materials Analysis
MAX8797GTI+
Sample
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8797GTI+GB4
Buy
Custom
Order
Land Pattern: Not Available
TQFN;28 pin;16.8 mm²
Outline Drawing:21-0139 (PDF)
Land Pattern:
90-0035
(PDF)
Use pkgcode/variation: T2844+1*
TQFN;28 pin;16.8 mm²
Outline Drawing:21-0139 (PDF)
Land Pattern:
90-0035
(PDF)
Use pkgcode/variation: T2844+1*
-40°C to +105°C
See data sheet
MAX8797GTI+T
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
MAX8797GTI+TGB4
Buy
Custom
Order
-40°C to +105°C
RoHS/Lead-Free:
Lead Free
Materials Analysis
Notes:
1. Other options and links for purchasing parts are listed at:
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3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More:
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*
Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part
number suffix describes RoHS status. Package drawings may show a different suffix character.
Similar Products by Function
MAX17028, MAX17428
1-Phase Quick-PWM Intel IMVP-6.5/GMCH Controllers
MAX17021, MAX17082,
Dual-Phase, Quick-PWM Controllers for IMVP-6+/IMVP-6.5 CPU Core Power Supplies
MAX17482
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Document Ref.: 19- 2452 Rev 2; 2010- 02- 05
This page last modified: 2010- 03- 12
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