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MAX17512ATP-T

Description
Current u0026 Power Monitors u0026 Regulators
Categorysemiconductor    Power management   
File Size558KB,21 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX17512ATP-T Overview

Current u0026 Power Monitors u0026 Regulators

MAX17512ATP-T Parametric

Parameter NameAttribute value
Product CategoryCurrent & Power Monitors & Regulators
ManufacturerMaxim
ProductCurrent Monitors
Supply Voltage - Max28 V
Supply Voltage - Min2.7 V
Input Voltage Range2.7 V to 28 V
19-1810; Rev 2; 12/03
IT
TION K
VALUA
E
BLE
AVAILA
Dual, High-Efficiency, Step-Down
Converter with Backup Battery Switchover
General Description
Features
Dual, High-Efficiency, Synchronous-Rectified
Step-Down Converters
Thin, Small (1mm High) QFN Package
Step-Up Converter for Backup Battery
Main Power
Adjustable from +1.25V to +5.5V
Over 2A Load Current
Up to 95% Efficiency
Core Power
Adjustable from 1V to 5V
Internal Switches
Up to 1.5A Load Current
Up to 91% Efficiency
Automatic Main Battery Switchover
100% (max) Duty Cycle
Up to 1.25MHz Switching Frequency
Input Voltage Range from +2.7V to +28V
Four Low-Voltage Detectors
170µA Quiescent Current
8µA Shutdown Current
Digital Soft-Start
Independent Shutdown Inputs
MAX1774
The MAX1774 is a complete power-supply solution for
PDAs and other hand-held devices. It integrates two
high-efficiency step-down converters, a boost converter
for backup battery regulation, and four voltage detec-
tors in a small 32-pin QFN or 28-pin QSOP package.
The MAX1774 accepts inputs from +2.7V to +28V and
provides an adjustable main output from 1.25V to 5.5V
at over 2A. The secondary core converter delivers an
adjustable voltage from 1V to 5V and can deliver up to
1.5A. Both the main and core regulators have separate
shutdown inputs.
When the AC adapter power is removed, an external P-
channel MOSFET switches input to the main battery.
When the main battery is low, the backup step-up con-
verter sustains the main output voltage. When the back-
up battery can no longer deliver the required load, the
system shuts down safely to prevent damage. Four on-
board voltage detectors monitor the status of the AC
adapter power, main battery, and backup battery.
The MAX1774 evaluation kit is available to help reduce
design time.
________________________Applications
Hand-Held Computers
PDAs
Internet Access Tablets
POS Terminals
Subnotebooks
Pin Configurations
BKUP
N.C.
LXC
LBO
INS
N.C.
Ordering Information
PART
MAX1774EEI
MAX1774EGJ
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
28 QSOP
32 7mm x 7mm QFN
TOP VIEW
GND
SHDNC
SHDNM
32
31
30
29
28
27
26
25
GND
MDRV
PGNDC
PGND
NDRV
CVL
IN
PDRV
CVH
1
2
3
4
5
6
7
8
10
11
12
13
14
15
16
24
23
22
21
ACO
INC
GND
FBC
CS-
CS+
FBM
N.C.
BACKUP
BATTERY
MAIN
BATTERY
AC
ADAPTER
Functional Diagram
MAIN (+3.3V)
MAX1774
20
19
18
17
MAX1774
CORE (+1.8V)
AC OK
LOW MAIN BATTERY
DEAD MAIN BATTERY
GND
GND
9
LXB
BKOFF
LXB2
REF
BIN
DBI
ACI
LBI
32 7mm x 7mm QFN
Pin Configurations continued at end of data sheet.
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.

MAX17512ATP-T Related Products

MAX17512ATP-T MAX1774EMJ MAX1774EGJ
Description Current u0026 Power Monitors u0026 Regulators Switching Voltage Regulators Switching Controller, Voltage-mode, 3A, 1250kHz Switching Freq-Max, BICMOS, 7 X 7 MM, 0.90 MM HEIGHT, MO-220, QFN-32
Is it Rohs certified? - incompatible incompatible
Parts packaging code - QFN QFN
package instruction - 7 X 7 MM, 0.90 MM HEIGHT, QFN-32 7 X 7 MM, 0.90 MM HEIGHT, MO-220, QFN-32
Contacts - 32 32
Reach Compliance Code - not_compliant not_compliant
ECCN code - EAR99 EAR99
Analog Integrated Circuits - Other Types - SWITCHING CONTROLLER SWITCHING CONTROLLER
Control Technology - PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage - 28 V 28 V
Minimum input voltage - 2.7 V 2.7 V
Nominal input voltage - 12 V 12 V
JESD-30 code - S-CQCC-N32 S-XQCC-N32
JESD-609 code - e0 e0
length - 7 mm 7 mm
Number of functions - 2 2
Number of terminals - 32 32
Maximum operating temperature - 85 °C 85 °C
Minimum operating temperature - -40 °C -40 °C
Maximum output current - 3 A 3 A
Package body material - CERAMIC, METAL-SEALED COFIRED UNSPECIFIED
encapsulated code - VQCCN HVQCCN
Package shape - SQUARE SQUARE
Package form - CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) - 240 245
Certification status - Not Qualified Not Qualified
Maximum seat height - 1 mm 0.8 mm
surface mount - YES YES
Switch configuration - PUSH-PULL PUSH-PULL
Maximum switching frequency - 1250 kHz 1250 kHz
technology - BICMOS BICMOS
Temperature level - INDUSTRIAL INDUSTRIAL
Terminal surface - TIN LEAD Tin/Lead (Sn85Pb15)
Terminal form - NO LEAD NO LEAD
Terminal pitch - 0.65 mm 0.65 mm
Terminal location - QUAD QUAD
Maximum time at peak reflow temperature - NOT SPECIFIED NOT SPECIFIED
width - 7 mm 7 mm
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