MAX1507 [MAXIM]
Linear Li+ Battery Charger with Integrated Pass FET Regulation in 3mm x 3mm Thin DFN ; 线性Li +电池充电器，带有集成调整FET调节采用3mm x 3mm TDFN封装\n
| 型号： | MAX1507 |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Linear Li+ Battery Charger with Integrated Pass FET Regulation in 3mm x 3mm Thin DFN
|
| 文件： | 总12页 (文件大小：194K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-2899; Rev 1; 11/03
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
General Description
Features
The MAX1507 is an intelligent, stand-alone constant-cur-
rent, constant-voltage (CCCV), thermally regulated linear
charger for a single-cell lithium-ion (Li+) battery. The
MAX1507 integrates the current-sense circuit, MOS pass
element, and thermal-regulation circuitry, and also elimi-
nates the reverse-blocking Schottky diode to create the
simplest and smallest charging solution for hand-held
equipment.
ꢀ Stand-Alone Linear 1-Cell Li+ Battery Charger
ꢀ No External FET, Reverse-Blocking Diode, or
Current-Sense Resistor Required
ꢀ Programmable Fast-Charge Current (0.8A max)
ꢀ Proprietary Programmable Die-Temperature
Regulation Control (+90°C, +100°C, and +130°C)
The MAX1507 functions as a stand-alone charger to
control the charging sequence from the prequalification
state through fast-charge, top-off charge, and full-
charge indication.
ꢀ +4.25V to +13V Input Voltage Range with Input
Overvoltage Protection (OVP) Above +7V
ꢀ Charge-Current Monitor for Fuel Gauging
ꢀ Low Dropout Voltage—130mV at 0.425A
Proprietary thermal-regulation circuitry limits the die
temperature when fast charging or while exposed to
high ambient temperatures, allowing maximum charg-
ing current without damaging the IC.
ꢀ Input Power-Source Detection Output (VL) and
Charge-Enable Input (EN)
ꢀ Soft-Start Limits Inrush Current
The MAX1507 achieves high flexibility by providing an
adjustable fast-charge current and thermal regulation
setpoints. Other features include the charging status
(CHG) of the battery and an active-low control input (EN).
ꢀ Charge Status Output (CHG) for LED or
Microprocessor Interface
ꢀ Small 3mm x 3mm 8-Pin Thin DFN Package,
The MAX1507 accepts a +4.25V to +13V supply, but dis-
ables charging when the input voltage exceeds +7V to
protect against unqualified or faulty AC adapters. The
MAX1507 operates over the extended temperature
range (-40°C to +85°C) and is available in a compact
8-pin thermally enhanced 3mm x 3mm Thin DFN pack-
age with 0.8mm height.
0.8mm High
Ordering Information
TOP
MARK
PART
TEMP RANGE PIN-PACKAGE
Applications
Cellular and Cordless Phones
MAX1507ETA -40°C to +85°C 8 Thin DFN-EP*
*EP = Exposed paddle.
AGW
PDAs
Digital Cameras and MP3 Players
USB Appliances
Typical Operating Circuit
Charging Cradles and Docks
Bluetooth™ Equipment
INPUT
4.25V TO 13V
Pin Configuration
IN
BATT
Li+
4.2V
TOP VIEW
1µF
1µF
8
7
6
5
MAX1507
CHG
EN
ISET
TEMP
GND
MAX1507
OFF
2.80kΩ
ON
VL
2
3
1
4
0.47µF
3mm x 3mm THIN DFN
Bluetooth is a trademark of Ericsson.
________________________________________________________________ Maxim Integrated Products
1
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.
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
ABSOLUTE MAXIMUM RATINGS
Short-Circuit Duration.................................................Continuous
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
IN, CHG to GND.....................................................-0.3V to +14V
VL, BATT, ISET, EN, TEMP to GND..........................-0.3V to +6V
VL to IN...................................................................-14V to +0.3V
IN to BATT Continuous Current.............................................0.9A
Continuous Power Dissipation (T = +70°C)
A
8-Pin TDFN (derate 24.4mW/°C above+70°C) ..........1951mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V = 5V, V
= 4.0V, TEMP = EN = CHG = unconnected, R
= 2.8kΩ to GND, C = 0.47µF, BATT bypassed to GND with 1µF,
A
IN
BATT
ISET VL
T
= -40°C to +85°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
A
PARAMETER
CONDITIONS
MIN
0
TYP
MAX
13
UNITS
Input Voltage Range
V
V
Input Operating Range
4.25
20
6.50
60
V
V
V
V
- V
, V rising
BATT IN
40
30
7
IN
IN
IN
IN
ACOK Trip Point, IN
mV
V
- V
, V falling
BATT IN
15
45
rising
hysteresis
6.5
7.5
Overvoltage Lockout Trip Point
0.11
1
Charging (I - I
)
2
IN BATT
IN Input Current
Disabled, EN = VL
OFF state (V = V
0.8
1.5
mA
= 4.0V)
0.065
IN
BATT
VL Output Voltage
I
VL
I
VL
I
VL
= 100µA
3.3
-71
-2
V
VL Load Regulation
= 100µA to 2mA
= 100µA
-200
mV
VL Temperature Coefficient
mV/°C
V
rising
2.95
0.17
3
IN
VL Undervoltage Lockout Trip Point
V
Hysteresis
= 0 to 4V
V
10
10
IN
BATT Input Current
µA
A
EN = VL
4
Maximum RMS Charge Current
Battery Regulation Voltage
BATT Removal Detection Threshold
0.8
4.2
4.2
4.67
T
T
= 0°C to +85°C
4.162
4.150
4.4
4.238
4.250
4.9
A
A
I
= 0
V
BATT
= -40°C to +85°C
V
rising
V
BATT
2
_______________________________________________________________________________________
Linear Li+Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
ELECTRICAL CHARACTERISTICS (continued)
(V = 5V, V
= 4.0V, TEMP = EN = CHG = unconnected, R
= 2.8kΩ to GND, C = 0.47µF, BATT bypassed to GND with 1µF,
IN
BATT
ISET VL
T
= -40°C to +85°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
A
A
PARAMETER
CONDITIONS
MIN
TYP
200
1
MAX
UNITS
mV
BATT Removal Detection-Threshold Hysteresis
Minimum BATT Bypass Capacitance
µF/A
mA
Fast-Charge Current-Loop System Accuracy
V
= 3.5V
478
5
520
562
15
BATT
Percentage of the fast-charge current,
= 2.2V
Precharge Current System Accuracy
10
%
V
BATT
TEMP = VL
130
100
90
Die-Temperature-Regulation Set Point
TEMP = floating
TEMP = GND
°C
V
Precharge Threshold Voltage
V
rising
2.3
2.5
2.7
V
BATT
BATT
Current-Sense Amplifier Gain, I
in Fast Charge Mode
to I
SET
BATT
I
= 500mA, V
= 1.4V
0.880
0.958
130
1.035
mA/A
BATT
ISET
Regulator Dropout Voltage (V - V
IN
)
V
= 4.1V, I = 425mA
BATT
200
mV
V
BATT
BATT
EN Logic Input Low Voltage
EN Logic Input High Voltage
EN Internal Pulldown Resistor
CHG Output Low Current
4.25V < V < 6.5V
0.52
IN
4.25V < V < 6.5V
1.3
100
5
V
IN
200
12
400
20
1
kΩ
mA
V
V
= 1V
CHG
CHG
T
T
= +25°C
= +85°C
A
CHG Output High Leakage Current
= 13V
µA
%
0.002
10
A
Full Battery Detection Current Threshold
(as a Percentage of the Fast-Charge Current)
I
falling
5
15
BATT
Note 1: Limits are 100% production tested at T = +25°C. Limits over operating temperature range are guaranteed through correlation
A
using statistical quality control (SQC) methods.
_______________________________________________________________________________________
3
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
Typical Operating Characteristics
(V = 5V, V
+25°C, unless otherwise noted.)
= 4.0V, TEMP = EN = CHG = unconnected, R
= 2.8kΩ to GND, C = 1µF, C
= 1µF, C = 0.47µF, T =
VL A
IN
BATT
ISET
IN
BATT
CHARGE CURRENT
vs. BATTERY VOLTAGE
SUPPLY CURRENT
vs. INPUT VOLTAGE
DISABLED-MODE SUPPLY
CURRENT vs. INPUT VOLTAGE
2.0
600
500
400
300
200
100
0
2.0
1.5
1.0
0.5
0
TEMP = VL
I
= 0
EN = VL
BATT
1.5
1.0
0.5
0
8
0
1
2
3
4
0
2
4
6
10
12
8
0
2
4
6
10
12
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
BATTERY VOLTAGE (V)
CHARGE CURRENT
vs. INPUT VOLTAGE
CHARGE CURRENT
vs. INPUT-VOLTAGE HEADROOM
BATTERY REGULATION VOLTAGE
vs. TEMPERATURE
600
550
500
450
400
350
300
250
200
150
100
50
600
550
500
450
400
350
300
250
200
150
100
50
4.210
4.207
4.204
4.201
4.198
4.195
4.192
4.189
4.186
4.183
4.180
V
= 4.0V
TEMP = VL
BATT
0
0
0
1
2
3
4
5
6
7
8
9
10 11 12 13
0
0.04 0.08 0.12 0.16 0.20 0.24 0.28 0.32 0.36 0.40
- V (V)
-40
-15
10
35
60
85
INPUT VOLTAGE (V)
V
TEMPERATURE (°C)
IN
BATT
CHARGE CURRENT
vs. AMBIENT TEMPERATURE (TEMP = VL)
CHARGE CURRENT
vs. AMBIENT TEMPERATURE
600
580
560
540
520
500
480
460
440
420
400
1000
900
800
700
600
500
400
300
200
100
0
TEMP = VL
V
= 4.0V
BATT
V
= 3.6V
BATT
R
= 1.87kΩ
ISET
-40
-15
10
35
60
85
-40
-15
10
35
60
85
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
4
_______________________________________________________________________________________
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
Typical Operating Characteristics (continued)
(V = 5V, V
+25°C, unless otherwise noted.)
= 4.0V, TEMP = EN = CHG = unconnected, R
= 2.8kΩ to GND, C = 1µF, C
= 1µF, C = 0.47µF, T =
IN
BATT
ISET
IN
BATT VL A
CHARGE CURRENT
vs. AMBIENT TEMPERATURE (TEMP = GND)
CHARGE CURRENT
vs. AMBIENT TEMPERATURE (TEMP = OPEN)
1000
900
800
700
600
500
400
300
200
100
0
1000
900
800
700
600
500
400
300
200
100
0
V = 4.0V
BATT
V
= 4.0V
BATT
V
= 3.6V
V
= 3.6V
BATT
BATT
R
= 1.87kΩ
ISET
R
ISET
= 1.87kΩ
-40
-15
10
35
60
85
-40
-15
10
35
60
85
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
Pin Description
PIN
1
NAME
VL
FUNCTION
Internally Generated Logic Supply for Chip. Bypass VL to GND with a 0.47µF capacitor.
2
IN
Input Supply Voltage. Bypass IN to GND with a 1µF capacitor to improve line noise and transient rejection.
Ground. Connect GND and exposed pad to a large copper trace for maximum power dissipation.
3
GND
Charge-Current Program and Fast-Charge Current Monitor. Output current from ISET is 0.958mA per amp of
battery charging current. The charging current is set by connecting a resistor from ISET to GND. Fast-charge
4
5
ISET
current = 1461V / R
Ω.
ISET
Logic-Level Enable Input. Drive EN high to disable charger. Pull EN low or float for normal operation. EN has
an internal 200kΩ pulldown resistor.
EN
Three-Level Input Pin. Connect TEMP to VL, GND, or leave floating. Sets maximum die temperature for
thermal regulation loop. Connection to GND = +90°C, floating = +100°C, VL = +130°C. TEMP is Hi-Z during
shutdown.
6
7
8
TEMP
BATT
CHG
Li+ Battery Connection. Bypass BATT to GND with a capacitor of at least 1µF per ampere of charge current.
Charging Indicator, Open-Drain Output. CHG goes low (and can turn on an LED) when charging begins.
CHG is high impedance when the battery current drops below 10% of the fast-charging current, or when EN
is high. Connect a pullup resistor to the µP’s I/O voltage when interfacing with a µP logic input.
Exposed Pad. Connect exposed pad to a large copper trace for maximum power dissipation. The pad is
internally connected to GND.
—
PAD
_______________________________________________________________________________________
5
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
state. Once the cell has passed 2.5V, the charger soft-
Detailed Description
starts before it enters the fast-charge stage. The fast-
The MAX1507 charger uses voltage, current, and ther-
charge current level is programmed through a resistor
mal-control loops to charge a single Li+ cell and to pro-
from ISET to ground. As the battery voltage approach-
tect the battery (Figure 1). When a Li+ battery with a
es 4.2V, the charging current is reduced. If the battery
cell voltage below 2.5V is inserted, the MAX1507
current drops to less than 10% of the fast-charging cur-
charger enters the prequalification stage where it
rent, the CHG indicator goes high impedance, signal-
precharges that cell with 10% of the user-programmed
ing the battery is fully charged. At this point the
fast-charge current. The CHG indicator output is driven
MAX1507 enters a constant voltage-regulation mode to
low (Figure 2) to indicate entry into the prequalification
MAX1507
BATT
IN
V
REF
OUTPUT DRIVER,
CURRENT SENSE,
AND LOGIC
ISET
TEMPERATURE
SENSOR
+90°C
+100°C
+130°C
IREF
IN
TEMP
IN
VL
VL
0.47µF
BATT
V
LUVLO
IN
V
LOK
EN
REF
ON
V
INOVLO
INOK
200kΩ
LOGIC
REFOK
REFOK
CHG
N
GND
Figure 1. Functional Diagram
_______________________________________________________________________________________
6
Linear Li+Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
ASYNCHRONOUS FROM
ANYWHERE
V
BATT
> 7V +
> VIN +
IN
V
EN = HIGH
SHUTDOWN
CHARGER = OFF
LED = OFF
V
< 2.5V
BATT
V
V
> 7V +
IN
> V
+
IN
BATT
PRECHARGE
10% CHARGE CURRENT
LED = ON
EN = HIGH
V
< 2.4V
BATT
V
> 2.5V
BATT
FAST CHARGE
100% CHARGER CURRENT
LED = ON
I < 10%
CHARGE
I
> 20%
OF ISET
CHARGE
OF ISET
FULL BATT CONTINUES
TO REGULATE BATT
UP TO 4.2V
FULL BATT
LED = OFF
Figure 2. Charge State Diagram
maintain the battery at full charge. If, at any point while
charging the battery, the die temperature approaches
the user-selected temperature setting (TEMP pin), the
MAX1507 reduces the charging current so the die tem-
perature does not exceed the temperature-regulation
set point.
EN Charger Enable Input
EN is a logic input (active low) to enable the charger.
Drive EN low, leave floating, or connect to GND to
enable the charger control circuitry. Drive EN high to
disable the charger control circuitry. EN has a 200kΩ
internal pulldown resistance.
The thermal-regulation loop limits the MAX1507 die
temperature to the value selected by the TEMP input by
reducing the charge current as necessary (see the
Thermal-Regulation Selection section). This feature not
only protects the MAX1507 from overheating, but also
allows higher charge current without risking damage to
the system.
VL Internal Voltage Regulator
The MAX1507 linear charger contains an internal linear
regulator available on the VL output pin. VL requires a
0.47µF ceramic bypass capacitor to GND. VL is regulat-
ed to 3.3V whenever the input voltage is above 3.5V.
_______________________________________________________________________________________
7
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
to the value set by TEMP. The MAX1507 operates nor-
mally while the thermal loop is active. An active thermal
loop does not indicate a fault condition. TEMP allows
the MAX1507 to maximize the charge current while pro-
viding protection against excessive power dissipation.
CHG Charge Indicator Output
CHG is an open-drain current source for indicating
charge status. Table 1 describes the state of CHG dur-
ing different stages of operation.
CHG is a nominal 12mA current source suitable for dri-
ving a charge-indication LED. If the MAX1507 is used
in conjunction with a microprocessor, a pullup resistor
to the logic I/O voltage allows CHG to indicate charge
status to the µP instead of driving an LED.
Connect TEMP to GND to regulate the die temperature
at +90°C. Leave TEMP floating to regulate the die tem-
perature at +100°C. Connect TEMP to VL to regulate
the die temperature at +130°C.
Capacitor Selection
Connect a ceramic capacitor from BATT to GND for
proper stability. Use a 1µF X5R ceramic capacitor for
most applications.
Soft-Start
An analog soft-start algorithm activates when entering
fast-charge mode. When the prequalification state is
complete (V
exceeds +2.5V), the charging current
BATT
ramps up in 3ms to the full charging current. This
reduces the inrush current on the input supply.
Connect a 1µF ceramic capacitor from IN to GND. Use
a larger input bypass capacitor for high input voltages
or high charging currents to reduce supply noise.
Applications Information
Charge-Current Selection
The maximum charging current is programmed by an
Connect a 0.47µF ceramic capacitor from VL to GND.
Thermal Considerations
The MAX1507 is in a thermally enhanced thin DFN
package with exposed paddle. Connect the exposed
paddle of the MAX1507 to a large copper ground plane
to provide a thermal contact between the device and
the circuit board. The exposed paddle transfers heat
away from the device, allowing the MAX1507 to charge
the battery with maximum current, while minimizing the
increase in die temperature.
external R
resistor connected from ISET to GND.
ISET
ISET
Select the R
value based on the following formula:
I
= 1461V / R
Ω
FAST
ISET
where I
FAST
is in amps and R
is in ohms. ISET can
ISET
also be used to monitor the fast-charge current level.
The output current from the ISET pin is 0.958mA per
amp of charging current. The output voltage at ISET is
proportional to the charging current as follows:
DC Input Sources
The MAX1507 operates from well-regulated DC
sources. The full-charging input-voltage range is 4.25V
to 7V. The device can stand up to 13V on the input
without damage to the IC. If V is greater than 7V, then
IN
the MAX1507 stops charging.
V
ISET
= (I
x R
) / 1044
ISET
CHG
The voltage at ISET is nominally 1.4V at the selected
fast-charge current, and falls with charging current as
the cell becomes fully charged.
Thermal-Regulation Selection
Set the regulated die temperature of the MAX1507 with
the TEMP three-level logic input. The MAX1507
reduces the charge current to limit the die temperature
An appropriate power supply must provide at least
4.25V when sourcing the desired peak charging cur-
rent. It also must stay below 6.5V when unloaded.
Table 1. CHG States
EN
V
V
I
CHG
Hi-Z
Low
Low
Hi-Z
Hi-Z
Hi-Z
STATE
IN
BATT
BATT
X
Low
V
V
0
Shutdown
BATT
IN
4.25V ≤ V ≤ 7V
< 2.5V
≥ 2.5V
4.2V
X
10% of I
Prequalification
Fast Charge
Full Charge
Overvoltage
Disabled
IN
FAST
Low
4.25V ≤ V ≤ 7V
I
*
IN
FAST
Low
4.25V ≤ V ≤ 7V
10% of I
IN
FAST
Low
>7V
X
0
0
High
X
X = Don’t care.
*I
is reduced as necessary to maintain the die temperature set by the TEMP input.
FAST
8
_______________________________________________________________________________________
Linear Li+Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
USB-Powered Li+ Charger
The universal serial bus (USB) provides a high-speed
serial communication port as well as power for the
remote device. The MAX1507 can be configured to
charge its battery at the highest current possible from
the host port. Figure 4 shows the MAX1507 as a USB
battery charger. To make the circuit compatible with
either 100mA or 500mA USB ports, the circuit initializes
at 95mA charging current. The microprocessor then
interrogates the host to determine its current capability.
If the host port is capable, the charging current is
increased to 435mA. The 435mA current was chosen to
avoid exceeding the 500mA USB specification.
Application Circuits
Stand-Alone Li+ Charger
The MAX1507 provides a complete Li+ charging solu-
tion. The Typical Application Circuit on the front page
shows the MAX1507 as a stand-alone Li+ battery
charger. The 2.8kΩ resistor connected to ISET sets a
charging current of 520mA. The LED indicates when
either fast-charge or precharge qualification has
begun. When the battery is full, the LED turns off.
Microprocessor-Interfaced Charger
Figure 3 shows the MAX1507 as a µP-cooperated Li+
battery charger. The MAX1507 starts charging the bat-
tery when EN is low. The µP can drive EN high to dis-
able the charger. Use a logic-biased NPN transistor as
an inverter circuit to generate an AC_ON signal for the
system to detect the presence of an input supply. CHG
can be used to detect the charge status of a battery.
By monitoring V
charge current.
, the system can measure the
ISET
4.2V Li+
IN
BATT
GND
AC/DC
ADAPTER
1µF
VI/O
1µF
MAX1507
CHG
AC_ON
ROHM
DTC114EM
SYSTEM
TEMP
ISET
VL
EN
0.47µF
2.8kΩ
CHARGE-CURRENT MONITOR
VI/O
LOW: CHARGE, HIGH: FULL OR OFF
Figure 3. µP Interfaced Li+ Battery Charger
_______________________________________________________________________________________
9
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
4.2V Li+
VBUS
GND
IN
BATT
GND
1µF
VI/O
1µF
MAX1507
CHG
ROHM
DTC114EM
SYSTEM
TEMP
ISET
VL
EN
0.47µF
USB PORT
15.4kΩ
HIGH: 435mA, LOW: 95mA
4.3kΩ
N
VI/O
D+
D-
Figure 4. USB Battery Charger
Layout and Bypassing
Chip Information
Connect a 1µF ceramic input capacitor as close to the
device as possible. Provide a large copper GND plane
to allow the exposed paddle to sink heat away from the
device. Connect the battery to BATT as close to the
device as possible to provide accurate battery voltage
sensing. Make all high-current traces short and wide to
minimize voltage drops. For an example layout, refer to
the MAX1507/MAX1508 evaluation kit layout.
TRANSISTOR COUNT: 1812
PROCESS: BiCMOS
10 ______________________________________________________________________________________
Linear Li+Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information
go to www.maxim-ic.com/packages.)
L
A
D2
D
A2
PIN 1 ID
1
N
1
C0.35
b
[(N/2)-1] x e
REF.
E
E2
PIN 1
INDEX
AREA
DETAIL A
e
k
A1
C
L
C
L
L
L
e
e
A
DALLAS
SEMICONDUCTOR
PROPRIETARY INFORMATION
TITLE:
PACKAGE OUTLINE, 6, 8 & 10L,
TDFN, EXPOSED PAD, 3x3x0.80 mm
APPROVAL
DOCUMENT CONTROL NO.
REV.
NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY
1
2
21-0137
D
______________________________________________________________________________________ 11
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information
go to www.maxim-ic.com/packages.)
COMMON DIMENSIONS
SYMBOL
MIN.
0.70
2.90
2.90
0.00
0.20
MAX.
0.80
3.10
3.10
0.05
0.40
A
D
E
A1
L
k
0.25 MIN.
0.20 REF.
A2
PACKAGE VARIATIONS
PKG. CODE
T633-1
N
6
D2
E2
e
JEDEC SPEC
MO229 / WEEA
MO229 / WEEC
b
[(N/2)-1] x e
1.90 REF
1.95 REF
2.00 REF
1.50–0.10 2.30–0.10 0.95 BSC
1.50–0.10 2.30–0.10 0.65 BSC
0.40–0.05
0.30–0.05
T833-1
8
T1033-1
10
1.50–0.10 2.30–0.10 0.50 BSC MO229 / WEED-3 0.25–0.05
DALLAS
SEMICONDUCTOR
PROPRIETARY INFORMATION
TITLE:
PACKAGE OUTLINE, 6, 8 & 10L,
TDFN, EXPOSED PAD, 3x3x0.80 mm
APPROVAL
DOCUMENT CONTROL NO.
REV.
2
2
21-0137
D
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2003 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
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