CAT3626HV4-T2 ON Semiconductor, CAT3626HV4-T2 Datasheet

IC LED DRVR WT/RGB BCKLGT 16TQFN

CAT3626HV4-T2

Manufacturer Part Number
CAT3626HV4-T2
Description
IC LED DRVR WT/RGB BCKLGT 16TQFN
Manufacturer
ON Semiconductor
Type
Backlight, White LED, RGB (I²C Interface)r
Datasheet

Specifications of CAT3626HV4-T2

Topology
PWM, Switched Capacitor (Charge Pump)
Number Of Outputs
6
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
RGB, White LED
Frequency
800kHz ~ 1.3MHz
Voltage - Supply
3 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
16-TFQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
32mA
Internal Switch(s)
Yes
Efficiency
91%
Number Of Segments
6
Operating Supply Voltage
3 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
CAT3626HV4-T2CT

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CAT3626HV4-T2
Manufacturer:
ROHM
Quantity:
289
CAT3626
6-Channel LED Driver with
I
Description
with programmable dimming current in six LED channels. To ensure
uniform brightness in LCD backlight applications, each LED channel
delivers an accurate regulated current.
switching frequency of 1 MHz which allows the use of small external
ceramic capacitors. The 1x/1.5x fractional charge pump supports a
wide range of input voltages from 3 V to 5.5 V with efficiency up to
91%, and is ideal for Li−Ion battery powered devices.
containing 2 matched channels. Each pair can be separately
programmed from zero to 32 mA, in 0.5 mA resolution steps, using
the I
others remain active. When the enable input (EN) is low, the device is
in shutdown mode drawing zero current.
height of 0.8 mm.
Features
Applications
© Semiconductor Components Industries, LLC, 2010
March, 2010 − Rev. 5
2
The CAT3626 is a high efficiency 1x/1.5x fractional charge pump
Low noise and input ripple is achieved by operating at a constant
The LED channels are configured into three independent pairs, each
The device is available in a 16−pad TQFN package with a max
Compliant
Drives 6 LED Channels
Independent Current on 3 Pairs of LEDs
I
Adjustable Current to 32 mA in 0.5 mA Step
Power Efficiency up to 91%
Fractional Pump 1x/1.5x
Low Noise Input Ripple
Fixed High Frequency Operation 1 MHz
“Zero” Current Shutdown Mode
Soft Start and Current Limiting
Short Circuit Protection
Thermal Shutdown Protection
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
RGB LEDs
LCD and Keypad Backlighting
Cellular Phones, PDAs
Digital Cameras
2
Ct Interface
2
C Serial Interface Programming
C serial interface. Any individual channel can be disabled while
1
1. Matte−Tin Plated Finish (RoHS−compliant).
2. NiPdAu Plated Finish (RoHS−compliant).
CAT3626HV4−T2
(Note 1)
CAT3626HV4−GT2
(Note 2)
G626 = CAT3626HV4−T2
CDAJ = CAT3626HV4−GT2
A = Assembly Location
XXX = Last Three Digits of Assembly Lot Number
Y = Production Year (Last Digit)
M = Production Month (1−9, A, B, C)
CC = Country of Origin (Two Digit)
LEDA1
Device
SDA
SCL
EN
YMCC
ORDERING INFORMATION
AXXX
G626
MARKING DIAGRAMS
PIN CONNECTIONS
1
http://onsemi.com
(4 x 4 mm) (Top View)
CASE 510AE
HV4 SUFFIX
TQFN−16
TQFN−16
(Pb−Free)
TQFN−16
(Pb−Free)
GND
Package
Publication Order Number:
YMCC
CDAJ
AXXX
Tape & Reel
LEDC2
GND
C2+
C2−
Shipping
CAT3626/D
2,000/

Related parts for CAT3626HV4-T2

CAT3626HV4-T2 Summary of contents

Page 1

... LEDA1 SDA GND SCL mm) (Top View) MARKING DIAGRAMS G626 AXXX YMCC G626 = CAT3626HV4−T2 CDAJ = CAT3626HV4−GT2 A = Assembly Location XXX = Last Three Digits of Assembly Lot Number Y = Production Year (Last Digit Production Month (1− Country of Origin (Two Digit) ORDERING INFORMATION Device Package CAT3626HV4− ...

Page 2

5 ENABLE Interface Table 1. ABSOLUTE MAXIMUM RATINGS Parameters VIN, LEDxx voltage VOUT, C1±, C2± voltage EN, SDA, SCL voltage Storage Temperature Range Junction Temperature Range Lead ...

Page 3

Table 3. ELECTRICAL OPERATING CHARACTERISTICS High, ambient temperature of 25°C (over recommended operating conditions unless specified otherwise) IN Symbol Parameter I Quiescent Current Q I Shutdown Current QSHDN I LED Current Range with 6 ...

Page 4

Table 4. A.C. CHARACTERISTICS (over recommended operating conditions unless specified otherwise). Symbol f Clock Frequency SCL t SCL Low to SDA Data Out and ACK Out AA t Bus Free Time Before a New Transmission Can Start BUF t Start ...

Page 5

LEDs OUT 100 15 mA per LED 1x Mode 1.5x Mode per LED 40 4.2 4.0 3.8 ...

Page 6

LEDs OUT 5.0 4.0 3.0 2.0 1x Mode 1.0 0 −1.0 1.5x Mode −2.0 −3.0 −4.0 −5.0 3.0 3.2 3.4 3.6 SUPPLY VOLTAGE (V) ...

Page 7

LEDs OUT Figure 15. Power Up with 6 LEDs (1x Mode) Figure 17. Enable Power Down (1x Mode) Figure 19. Switching ...

Page 8

LEDs OUT Figure 21. Line Transient Response in 1x Mode 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 3.0 3.5 4.0 4.5 SUPPLY ...

Page 9

Table 5. PIN DESCRIPTIONS Pin # Name 1 LEDA1 2 SDA 3 SCL VOUT 6 VIN 7 C1− 8 C1+ 9 C2− 10 C2+ 11 GND 12 LEDC2 13 LEDC1 14 LEDB2 15 LEDB1 16 LEDA2 TAB ...

Page 10

Block Diagram 1− mode (LDO) IN 1.5x Charge Pump MHz Oscillator EN Reference Voltage Current Setting DAC SDA Serial Registers SCL Interface Figure 25. CAT3626 Functional Block Diagram Basic Operation ...

Page 11

The Table 7 lists the various LED currents with the associated RegA, RegB, and RegC register values. Table 7. LED CURRENT SELECTION AND REGISTER VALUE LED Current (mA 0 1.0 ...

Page 12

I C Interface The LED driver is interfaced through a 2−wire serial 2 I C−bus in order to control the state and the current in each of the six LED channels. The SDA and SCL lines comply 2 with ...

Page 13

Typical Application The CAT3626 is ideal for driving RGB (red green blue) LEDs with common anode configuration. The individual LED currents associated with the red, green and blue LEDs are programmable independently through the ...

Page 14

D PIN#1 INDEX AREA TOP VIEW SYMBOL MIN NOM A 0.70 0.75 A1 0.00 0.02 A3 0.20 REF b 0.25 0.30 D 3.90 4.00 D2 2.00 −−− E 3.90 4.00 E2 2.00 −−− e 0.65 BSC L 0.45 −−− Notes: ...

Page 15

... All packages are RoHS−compliant (Lead−free, Halogen−free). 6. The standard lead finish is NiPdAu. 7. The device used in the above example is a CAT3626HV4−GT2 (TQFN, NiPdAu Plated Finish, Tape & Reel, 2,000/Reel). 8. For Matte−Tin package option, please contact your nearest ON Semiconductor Sales office. ...

Page 16

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