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ON Semiconductor

Optimize Efficiency and Space with Inductive and Charge Pump LED Drivers

Application

LED Type

Number of LEDs/

Connection

Topology

Product

Key Feature

Display

Backlighting

Standard, 10-5 mA

 LEDs/Parallel

Linear

NUD4301: Adjustable (1-0 mA) constant current

driver; DFN-8 ( x  mm)

Linear or PWM dimming

 - 5 LEDs/Series

Inductive

NCP5006/5007: Up to 9% efficiency PFM boost,

1 V/ 1 W output; thin SOT--5 ( x  mm)

Simple, open LED output clamp

 - 5 LEDs/Series

Inductive

NCP5005: Enhanced version of NCP5006 - high EMI

immunity

Enhanced EMI immunity, best for RF

sensitive application

 - 5 LEDs/Series

Inductive

NCP5010: 1 MHz PWM boost,  V/0.5 W output, inte-

grated rectifier & true-cutoff; uBump-8 (1.7 x 1.7 mm)

Highly integrated driver

 LEDs/Parallel

Charge Pump

NCP5602: 90% peak efficiency,  outputs (5 mA

each), % current matching, IC; LLGA-1 ( x  mm)

ICON mode; IC dimming control

 LEDs/Parallel

Charge Pump

NCP5612:  outputs (5 mA each), IC; LLGA-1

( x  mm)

ICON mode; S-Wire link dimming control

 - 6 LEDs/Series

Inductive

NCP106: Up to 90% efficiency, PFM (up to 1 MHz),

5 V/0.5 W output; thin SOT--5 ( x  mm)

Can operate from 1 or  alkaline or

Ni-based cells

 or  LEDs/Parallel

Charge Pump

NCP5604A/B: Consistent 90% efficiency,  or 

outputs (5 mA each), 0.5% current matching;

TQFN-16 ( x  x 0.8 mm)

NCP560A: Drives  LEDs

NCP506B: Drives  LEDs

Flash (Torch)

Low current - up to 50 mA for

1 cell/100 mA for  cell

Single LED

Inductive

NCP100ASN50: Fixed frequency PWM micropower

boost converter; thin SOT--5 ( x  mm)

Can operate from 1 or  alkaline or

Ni-based cells

Medium current/Multi-die

WLED, 100-50 mA

Single

(or multiple in parallel)

Charge Pump

NCP5603: 00 mA cont/50 mA pulsed, voltage regu-

lated output, .5 V or 5 V, 75% eff; DFN-10 ( x  mm)

High-current single output charge pump

Medium current up to 50 mA

for  cell and 100 mA for  cell

 - 6 LEDs/Series

Inductive

NCP106: Up to 90% efficiency, PFM (up to 1 MHz),

5 V/0.5 W output; thin SOT--5 ( x  mm)

Simple, low cost

High current WLED, up to

600 mA

Single

(or multiple in parallel)

Inductive

NCP11: PFM boost (up to 1. MHz), sync rec, output

up to 5 V, 600 mA cont, 9% eff, true-cutoff, 50 nA

shutdown current; Micro8 ( x 5 mm)

Synchronous rectification

High current WLED, up to

800 mA

Single

(or multiple in parallel)

Inductive

NCP1: PFM boost (up to 1. MHz), sync rec, output

up to 5 V, 800 mA cont, 9% eff, true-cutoff, 50 nA

shutdown current; DFN-10 ( x  mm)

Synchronous rectification

High current WLED, up to 1 A

 - 5 LEDs/Series

Inductive

NCP5050:  V/.5 W output, PWM, 1.7 MHz; DFN-10

Integrated switch for  adjustable output

current levels

Single Driver

for Backlight &

Flash

LED (10 - 5 mA),

Flash LED (100 - 00 mA)

 LEDs + Flash LED

Charge Pump

NCP5608: Consistent 90% efficiency, 8 outputs ( @

5 mA each +  @ 100 mA each), 0.5% current

matching; TQFN- ( x  mm)

One chip lighting solution

OLED Driver

Supply

—

—

Inductive

NCP106: Up to 90% efficiency, PFM (up to 1 MHz),

5 V/0.5 W output; thin SOT--5 ( x  mm)

Can operate from 1 or  alkaline or

Ni-based cells

4.7 F/10 V

C4

GND

Vbat

1

CHARGE PUMP

DC−DC CONVERTER

16

15

C3

220 nF

14

13

C2

11

10

C1

12

Vout

GND

1 F/10 V

C5

8

7

Q1

Q2

6

Q3

5

Q4

9

PGND

Vbat

DIGITAL CONTROL

2

EN

ANALOG CONTROL

GND

3

100 k

R1

4

AGND

OVERTEMPERATURE

OVERVOLTAGE

220 nF

220 nF

Charge Pump Solution — NCP5604A

MBR0530

4

2

3

5

1

LWT67C

LWT67C

LWT67C

LWT67C

LWT67C

NCP5005

EN

Pulse

GND

GND

GND

22

R1

GND

GND

D1

L1

22 H

C1

4.7 F

C2

1.0 F

D6

D5

D4

D3

D2

FB

Vbat

Vout

Inductive Solution — NCP5005

BOLD denotes new or pending device.