NCP5603 ON Semiconductor, NCP5603 Datasheet

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NCP5603

Manufacturer Part Number
NCP5603
Description
High Efficiency Charge Pump Converter
Manufacturer
ON Semiconductor
Datasheet

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NCP5603
High Efficiency Charge Pump
Converter
power White LED applications. The power conversion is achieved by
means of a charge pump structure, using two external ceramic
capacitors, making the system extremely tiny. The device supplies a
constant voltage to the load from a low battery voltage source. It is
particularly suited for the High Efficiency LED used in low cost, low
power applications, with high extended battery life.
Features
Applications
© Semiconductor Components Industries, LLC, 2005
November, 2005 − Rev. 1
The NCP5603 is an integrated circuit dedicated to the medium
Wide Battery Supply Voltage Range: 2.7 < V
Automatic Operating Mode 1X, 1.5X and 2X Improves Efficiency
Dimmable Output Current
Up to 350 mA Output Pulsed Current
Selectable Output Voltage
High Efficiency Up To 90%
Supports 2.5 kV ESD, Human Body Model
Supports 200 V Machine Model ESD
Low 40 mA Short Circuit Current
Pb−Free Package is Available
High Power LED
Back Light Display
High Power Flash
CC
< 5.5 V
1
†For information on tape and reel specifications,
NCP5603MNR2
NCP5603MNR2G QFN10, 3x3
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
Device
C1P
Fsel
Vsel
V
V
MN SUFFIX
CASE 485C
out
bat
DFN10
ORDERING INFORMATION
5603 = Specific Device Code
A
L
Y
W
G
1
2
3
4
5
PIN CONNECTIONS
http://onsemi.com
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
QFN10, 3x3 3000/ Tape & Reel
Package
(Top View)
(Pb−Free)
Publication Order Number:
MARKING
DIAGRAM
3000/ Tape & Reel
ALYW
10
5603
9
8
7
6
Shipping
G
NCP5603/D
C2P
GND
C2N
EN
C1N

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NCP5603 Summary of contents

Page 1

... NCP5603 High Efficiency Charge Pump Converter The NCP5603 is an integrated circuit dedicated to the medium power White LED applications. The power conversion is achieved by means of a charge pump structure, using two external ceramic capacitors, making the system extremely tiny. The device supplies a constant voltage to the load from a low battery voltage source ...

Page 2

... V bat GND bat 4.7 mF/ C1P C1 1 mF/ C1N 6 EN/PWM PWM 4 Fsel FSEL 5 VSEL Vsel 8 GND GND Figure 1. Typical Application NCP5603 7 C2N mF/16 V C2P 1 V out NCP5603 GND http://onsemi.com 2 GND ...

Page 3

... V bat V 3 bat Thermal Shutdown V bat Fsel 4 5 Vsel 6 EN NCP5603 V bat GND V bat GND BANDGAP Figure 2. Block Diagram http://onsemi.com 3 10 C2P 7 C2N 9 C1N 2 C1P V out 1 V out − + GND 8 GND ...

Page 4

... EN/PWM = High → the chip is activated and the load is connected to the regulated output current. The NCP5603 can operate either in a continuous mode (EN/PWM = High), or can be controlled by a PWM pulse applied to EN/PWM to dim the output light. When EN/PWM is Low, the external load is disconnected from the converter, providing a very low standby current. The pull down built− ...

Page 5

... This device series contains ESD protection and exceeds the following tests: Human Body Model (HBM) "2.5 kV per JEDEC Standard: JESD22−A114 Machine Model (MM) "200 V per JEDEC Standard: JESD22−A115. 4. The maximum package power dissipation limit must not be exceeded. NCP5603 Symbol V bat ...

Page 6

... DC bias impact on the capacitance value. See ceramic capacitor manufacturer data sheets. 8. Digital inputs undershoot < − 0. ground, Digital inputs overshoot < 0. NCP5603 @ 2.85 V < Vbat < 5.5 V (−40°C to +85°C ambient temperature, unless otherwise noted). Pin ...

Page 7

... Output Power Efficiency @ V out 4 200 mA OUT 4.7 4.6 25°C 4.5 4.4 −40°C 4.3 85°C 4.2 2.5 3.0 3.5 4.0 V (V) bat Figure 7. Typical Output Voltage Line Regulation NCP5603 TYPICAL CHARACTERISTICS 100 4.5 5.0 5.5 2.5 Figure 4. Operating Modes Transitions and = 4.5 V/262 kHz Output Power Efficiency @ V 4.5 5.0 5.5 Figure 6. Typical Output Voltage Ripple = 5.0 V/650 kHz 4.5 5.0 5.5 ...

Page 8

... LED Figure 9. Typical PWM Dimming mF/ mF/6.3 V GND EN PWR−FLASH FSEL GND VSEL Figure 10. Typical High Power Flash Circuit NCP5603 = 3 Load = 4*LW87S, bat out NCP5603 C2N bat C2 1 mF/ C1P C1P C1N out C4 6 EN/PWM ...

Page 9

... Table 1. Ceramic Preferred Capacitors Manufacturer TDK TDK TDK NCP5603 2 4.5 V out FSEL = 0 Load = OSRAM / LWW5SG PWR SWITCH = MGSF1N03 3.0 3.5 4.0 V (V) bat Figure 11. NCP5603 Output Current Type/Series Format C3216X5R1C475MT 1206 C2012X5R1C225MT 0805 C2012X5R1C105MT 0805 http://onsemi.com 9 4.5 Value ...

Page 10

... C2 1 mF/ GND 1 mF/ 100 nF C4 GND 4.7 mF/ 200 kA R3 Adjust PWM POWER 1 2 PK1 Figure 12. Evaluation Board Schematic Diagram NCP5603 GND S3 GND Vsel R4 Vsel GND Fsel R5 Fsel 10 k R10 100 nF GND C5 S1 NL27WZ14 U2B 3 ...

Page 11

... NCP5603 Figure 13. Evaluation Board: Silk View (Top View) http://onsemi.com 11 ...

Page 12

... DETAIL B 0.10 C 0.08 C 10X SIDE VIEW 10X 10X 10X 0. BOTTOM VIEW 0.05 C NOTE 3 NCP5603 PACKAGE DIMENSIONS DFN10 MN SUFFIX CASE 485C−01 ISSUE EDGE OF PACKAGE L1 E DETAIL A Bottom View (Optional) A SEATING PLANE A1 C EXPOSED Cu MOLD CMPD DETAIL A É É ...

Page 13

... USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 13 ON Semiconductor Website: http://onsemi.com Order Literature: http://www.onsemi.com/litorder For additional information, please contact your local Sales Representative. NCP5603/D ...

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