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MAX8662ETM+ Datasheet(PDF) 1 Page - Maxim Integrated Products

Part # MAX8662ETM+
Description  Power-Management ICs for Single-Cell, Li Battery-Operated Devices
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX8662ETM+ Datasheet(HTML) 1 Page - Maxim Integrated Products

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Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-0732; Rev 1; 12/08
General Description
The MAX8662/MAX8663 power-management ICs
(PMICs) are efficient, compact devices suitable for
smart cellular phones, PDAs, Internet appliances, and
other portable devices. They integrate two synchronous
buck regulators, a boost regulator driving two to seven
white LEDs, four low-dropout linear regulators (LDOs),
and a linear charger for a single-cell Li-ion (Li+) battery.
Maxim’s Smart Power Selector™ (SPS) safely distrib-
utes power between an external power source (AC
adapter, auto adapter, or USB source), battery, and the
system load. When system load peaks exceed the
external source capability, the battery supplies supple-
mental current. When system load requirements are
small, residual power from the external power source
charges the battery. A thermal-limiting circuit limits bat-
tery-charge rate and external power-source current to
prevent overheating. The PMIC also allows the system
to operate with no battery or a discharged battery.
The MAX8662 is available in a 6mm x 6mm, 48-pin thin
QFN package, while the MAX8663, without the LED driver,
is available in a 5mm x 5mm, 40-pin thin QFN package.
Features
Applications
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
PART
TEMP RANGE
PIN-PACKAGE
MAX8662ETM+
-40°C to +85°C
48 Thin QFN-EP*
6mm x 6mm x 0.8mm
MAX8663ETL+
-40°C to +85°C
40 Thin QFN-EP*
5mm x 5mm x 0.8mm
Two 95%-Efficient 1MHz Buck Regulators
Main Regulator: 0.98V to VIN at 1200mA
Core Regulator: 0.98V to VIN at 900mA
1MHz Boost WLED Driver
Drives Up to 7 White LEDs at 30mA (max)
PWM and Analog Dimming Control
Four Low-Dropout Linear Regulators
1.7V to 5.5V Input Range
15µA Quiescent Current
Single-Cell Li+ Charger
Adapter or USB Input
Thermal-Overload Protection
Smart Power Selector (SPS)
AC Adapter/USB or Battery Source
Charger-Current and System-Load Sharing
Smart Phones and PDAs
MP3 and Portable Media Players
Palmtop and Wireless Handhelds
TOP VIEW
MAX8662
THIN QFN
(6mm x 6mm)
13
14
15
16
17
18
19
20
21
22
23
24
THM
ISET
CT
REF
GND
OUT4
IN45
OUT5
EN4
EN5
PWM
FB1
48
47
46
45
44
43
42
41
40
39
38
37
1
2
3
4567
89
10
11
12
POK
PSET
SL2
SL1
VL
OUT7
IN67
OUT6
PG3
LX3
EN7
EN6
36
35
34
33
32
31
30
29
28
27
26
25
Pin Configurations
OUT1
0.98V TO VIN / 1.2A
OUT2
0.98V TO VIN / 0.9A
OUT3
30mA
WLED
DC
SYS
OUT7
EN1
500mA
150mA
300mA
150mA
Li+
BATTERY
DC/USB
INPUT
TO SYSTEM
POWER
BAT
LX1
LX2
LX3
(MAX8662 ONLY)
OUT6
OUT5
OUT4
CS
TO SYS
EN2
EN3
EN4
EN5
EN6
EN7
PWR OK
CHARGE
STATUS
CHARGE
ENABLE
SL1
SL2
OUT4–OUT7
VOLTAGE
SELECT
MAX8662
MAX8663
POK
CHG
CEN
Typical Operating Circuit
Smart Power Selector is a trademark of Maxim Integrated
Products, Inc.
Pin Configurations continued at end of data sheet.
EVALUATION
KIT
AVAILABLE
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.


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