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MAX8630YETD18-T

Description
LED Lighting Drivers 125mA 1x/1.5x Charge Pump for 5 WLEDs
CategoryPower/power management    The power supply circuit   
File Size246KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX8630YETD18-T Overview

LED Lighting Drivers 125mA 1x/1.5x Charge Pump for 5 WLEDs

MAX8630YETD18-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeDFN
package instructionVSON,
Contacts14
Reach Compliance Codenot_compliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHED CAPACITOR REGULATOR
Maximum input voltage5.5 V
Minimum input voltage2.7 V
Nominal input voltage3.6 V
JESD-30 codeS-PDSO-N14
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals14
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeVSON
Package shapeSQUARE
Package formSMALL OUTLINE, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)245
Certification statusNot Qualified
Maximum seat height0.8 mm
surface mountYES
Switch configurationSINGLE
Maximum switching frequency1000 kHz
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.4 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
19-3689; Rev 1; 2/07
KIT
ATION
EVALU
BLE
AVAILA
125mA 1x/1.5x Charge Pumps for
5 White LEDs in 3mm x 3mm TDFN
General Description
Features
93% Max/85% Avg. Efficiency (P
LED
/P
BATT
) Over
Li+ Battery Discharge
1% LED Current Accuracy
125mA Total Drive Capability
Adaptive 1x/1.5x Mode Switchover
Single-Wire, Serial-Pulse Dimming (MAX8630Z)
Independent On/Off/Dimming for Main and Sub
Linear—Full, 31/32nd, 30/32nd, … 1/32nd
Direct-PWM Dimming (MAX8630Y)
15, 18, 20, and 25mA Full-Scale Versions
Low 0.1µA Shutdown Current
Soft-Start Eliminates Inrush Current
Output Overvoltage Protection
Thermal-Derating Function Protects LEDs
14-Pin, 3mm x 3mm TDFN Package
MAX8630Y/MAX8630Z
The MAX8630Y/MAX8630Z charge pumps drive up to 5
white LEDs with regulated constant current up to 125mA
total. By utilizing adaptive 1x/1.5x charge-pump modes
and very low-dropout current regulators, they achieve
high efficiency over the full 1-cell Li+ battery input volt-
age range. The 1MHz fixed-frequency switching allows
for tiny external components, and the regulation scheme
is optimized to ensure low EMI and low input ripple. An
integrated derating function protects the LEDs from
overheating during high ambient temperatures.
The MAX8630Y/MAX8630Z are factory trimmed for full-
scale LED current options of 15mA, 18mA, 20mA, and
25mA. The MAX8630Z uses two enable inputs (ENM for
3 main LEDs and ENS for 2 sub LEDs) for simple on/off
control and single-wire, serial-pulse dimming in 32 linear
steps. The MAX8630Y uses a single direct PWM input
(PWM) to control all 5 LEDs with DC current proportional
to the PWM duty cycle. If both ENM and ENS (or PWM)
are kept low for more than 4ms, the MAX8630_ enters
shutdown. The MAX8630Y/MAX8630Z are available in a
14-pin, 3mm x 3mm TDFN package (0.8mm max height).
Ordering Information
PART
MAX8630YETD15+T
PIN-
PACKAGE
14 TDFN
(3mm x 3mm)
TOP
MARK
AAS
PKG
CODE
T1433-2
Applications
Display Backlight (Up to 5 LEDs)
Main (3 LEDs) + Sub (2 LEDs) Displays
Cell Phones and Smartphones
PDAs, Digital Cameras, and Camcorders
Note:
All devices are specified to operate over the -40°C to
+85°C operating temperature range.
+Denotes
a lead-free package.
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.
Typical Operating Circuit
TOP VIEW
1μF
Pin Configuration
ENM (CPWM)
9
6
C1P
ENS (PWM)
8
7
OUT
LED1
LED2
LED3
LED4
11
4
C2N
INPUT
2.7V TO 5.5V
1μF
C1P
IN
C1N
OUT
OUTPUT
1μF
14
13
12
10
GND
MAX8630Z
LED1
LED2
MAIN
ENABLE MAIN
ON/OFF AND
DIMMING
ENABLE SUB
ON/OFF AND
DIMMING
ENM
LED3
SUB
LED4
MAX8630Y
MAX8630Z
ENS
C2P
C2N
LED5
1
GND
2
C1N
3
IN
1μF
( ) ARE FOR MAX8630Y
TDFN
3mm
×
3mm
________________________________________________________________
Maxim Integrated Products
C2P
LED5
5
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.

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Is it lead-free? Contains lead - Contains lead Contains lead Contains lead Contains lead
Is it Rohs certified? incompatible - incompatible incompatible incompatible incompatible
Maker Maxim - Maxim Maxim Maxim Maxim
Parts packaging code DFN - DFN QFN DFN DFN
package instruction VSON, - VSON, 5 X 5 MM, 0.80 MM HEIGHT, MO-220WHHD-2, TQFN-32 VSON, VSON,
Contacts 14 - 14 32 14 14
Reach Compliance Code not_compliant - not_compliant not_compliant not_compliant not_compliant
ECCN code EAR99 - EAR99 EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHED CAPACITOR REGULATOR - SWITCHED CAPACITOR REGULATOR POWER SUPPLY MANAGEMENT CIRCUIT SWITCHED CAPACITOR REGULATOR SWITCHED CAPACITOR REGULATOR
Maximum input voltage 5.5 V - 5.5 V - 5.5 V 5.5 V
Minimum input voltage 2.7 V - 2.7 V - 2.7 V 2.7 V
Nominal input voltage 3.6 V - 3.6 V - 3.6 V 3.6 V
JESD-30 code S-PDSO-N14 - S-PDSO-N14 S-XQCC-N32 S-PDSO-N14 S-PDSO-N14
JESD-609 code e0 - e0 e0 e0 e0
length 3 mm - 3 mm 5 mm 3 mm 3 mm
Humidity sensitivity level 1 - 1 1 1 1
Number of functions 1 - 1 1 1 1
Number of terminals 14 - 14 32 14 14
Maximum operating temperature 85 °C - 85 °C 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C - -40 °C -40 °C -40 °C -40 °C
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY UNSPECIFIED PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code VSON - VSON HVQCCN VSON VSON
Package shape SQUARE - SQUARE SQUARE SQUARE SQUARE
Package form SMALL OUTLINE, VERY THIN PROFILE - SMALL OUTLINE, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, VERY THIN PROFILE SMALL OUTLINE, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 245 - 245 245 245 245
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 0.8 mm - 0.8 mm 0.8 mm 0.8 mm 0.8 mm
surface mount YES - YES YES YES YES
Switch configuration SINGLE - SINGLE - SINGLE SINGLE
Maximum switching frequency 1000 kHz - 1000 kHz - 1000 kHz 1000 kHz
technology BICMOS - BICMOS BICMOS BICMOS BICMOS
Temperature level INDUSTRIAL - INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) Tin/Lead (Sn85Pb15) Tin/Lead (Sn/Pb) TIN LEAD
Terminal form NO LEAD - NO LEAD NO LEAD NO LEAD NO LEAD
Terminal pitch 0.4 mm - 0.4 mm 0.5 mm 0.4 mm 0.4 mm
Terminal location DUAL - DUAL QUAD DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 3 mm - 3 mm 5 mm 3 mm 3 mm
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