CAT4201TD-GT3 ON Semiconductor, CAT4201TD-GT3 Datasheet

CAT4201TD-GT3

Manufacturer Part Number

CAT4201TD-GT3

Description

IC LED DRIVER HIGH BRIGHT TSOT-5

Manufacturer

ON Semiconductor

Type

HBLED Driverr

Datasheets

1.CAT4201TD-GT3.pdf (13 pages)

2.CAT4201TD-GT3.pdf (14 pages)

Specifications of CAT4201TD-GT3

Topology

PWM, Step-Down (Buck)

Number Of Outputs

Internal Driver

Yes

Type - Primary

Automotive, Backlight

Type - Secondary

High Brightness LED (HBLED)

Frequency

1MHz

Voltage - Supply

6.5 V ~ 36 V

Voltage - Output

36V

Mounting Type

Surface Mount

Package / Case

TSOT-23-5, TSOT-5, TSOP-5

Operating Temperature

-40°C ~ 125°C

Current - Output / Channel

350mA

Internal Switch(s)

Yes

Efficiency

94%

Number Of Segments

Operating Supply Voltage

6.5 V to 28 V

Maximum Supply Current

0.4 mA

Maximum Operating Temperature

+ 125 C

Mounting Style

SMD/SMT

Minimum Operating Temperature

- 40 C

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

CAT4201TD-GT3TR

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

H&T Electronics

Part Number:

CAT4201TD-GT3

Quantity:

5 000

Company:

H&T Electronics

Part Number:

CAT4201TD-GT3

Quantity:

1 000

Current page: 1 of 14
Download datasheet (178Kb)

CAT4201

350 mA High Efficiency

Step Down LED Driver

Description

drive high current LEDs. A patented switching control algorithm

allows highly efficient and accurate LED current regulation. A single

RSET resistor sets the full scale LED string current up to 350 mA from

supplies as high as 36 V.

internal power dissipation allowing the device to be housed in a tiny

package without the need for dedicated heat sinking. The device is

compatible with switching frequencies of up to 1 MHz, making it ideal for

applications requiring small footprint and low value external inductors.

input pin, CTRL. Additional features include overload current protection

and thermal shutdown. The device is available in 8−lead SOIC package

and the low profile 5−lead thin SOT23 package ideal for space

constrained applications.

Features

•

Applications

•

VBAT

May, 2011 − Rev. 8

9 V

The CAT4201 is a high efficiency step−down converter optimized to

The switching architecture of the CAT4201 results in extremely low

Analog dimming and LED shutdown control is provided via a single

Compliant

LED Drive Current up to 350 mA

Compatible with 12 V and 24 V Standard Systems

Handles Transients up to 40 V

Single Pin Control and Dimming Function

Power Efficiency up to 94%

Drives LED Strings of up to 32 V

Open and Short LED Protection

Parallel Configuration for Higher Output Current

TSOT−23 5−lead and SOIC 8−lead Packages

These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

12 V and 24 V Lighting Systems

Automotive and Aircraft Lighting

General Lighting, High Brightness 350 mA LEDs

10 kW

4.7 mF

See Table 4 on page 6 for external component selection.

Figure 1. Typical Application Circuit

VBAT

RSET

CTRL

CAT4201

GND

D: ON Semiconductor MBR0540

L: Sumida CDRH6D26−220

22 mH

10 mF

300 mA

* Plated Finish: NiPdAu

** For availability, contact factory

CAT4201TD−GT3

CAT4201V−GT3**

4201A = Specific Device Code

A = Assembly Location

Y = Production Year (Last Digit)

M = Production Month: (1−9, O, N, D)

XXX = Last Three Digits of Assembly Lot Number

G = Pb−Free Package

CASE 419AE

MARKING DIAGRAMS

TD SUFFIX

Device

TSOT−23

PGND

TF = Specific Device Code

Y = Production Year (Last Digit)

M = Production Month: (1−9, O, N, D)

VBAT

ORDERING INFORMATION

PIN CONNECTIONS AND

RSET

CTRL

GND

http://onsemi.com

TSOT−23

SOIC−8

(Pb−Free)

TSOT−23

Package

SOIC−8

Publication Order Number:

CASE 751BD

(Top Views)

V SUFFIX

SOIC−8**

VBAT

PGND

CTRL

GND

RSET

Tape & Reel

Shipping

3,000/

CAT4201/D

Related parts for CAT4201TD-GT3

CAT4201TD-GT3 Summary of contents

Page 1

... A = Assembly Location Y = Production Year (Last Digit Production Month: (1− XXX = Last Three Digits of Assembly Lot Number G = Pb−Free Package ORDERING INFORMATION Device Package Shipping CAT4201TD−GT3 TSOT−23 3,000/ (Pb−Free) Tape & Reel CAT4201V−GT3** SOIC−8 3,000/ (Pb−Free) Tape & Reel ...

Page 2

Table 1. ABSOLUTE MAXIMUM RATINGS Parameters VBAT, SW, CTRL RSET Switch SW peak current Storage Temperature Range Junction Temperature Range Lead Temperature Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the ...

Page 3

TYPICAL OPERATION CHARACTERISTICS ( 300 mA mH LED 1.0 0.8 0.6 0.4 0 INPUT VOLTAGE (V) Figure 2. Input Operating Supply Current 250 ...

Page 4

TYPICAL OPERATION CHARACTERISTICS ( 300 mA mH LED 500 150 mA 400 300 300 mA 200 100 INPUT VOLTAGE (V) Figure 8. Switching Frequency vs. ...

Page 5

TYPICAL OPERATION CHARACTERISTICS ( 300 mA mH LED 100 95 2 LEDs LED 100 150 200 250 LED CURRENT (mA) Figure 14. Efficiency vs. ...

Page 6

TYPICAL OPERATION CHARACTERISTICS ( 300 mA mH LED Figure 20. RSET Transient Response External Component Selection Table 4 provides the recommended external components L and C2 that offer the best ...

Page 7

Table 6. PIN DESCRIPTION Pin Name 1 CTRL Analog dimming control and shutdown pin. 2 GND Ground reference. 3 RSET RSET pin. A resistor connected between the pin and ground sets the average LED current Interface to the ...

Page 8

Simplified Block Diagram 12 V/ CTRL Reference – Basic Operation The CAT4201 is a high efficiency step−down regulator designed to drive series connected high−power LEDs. LED strings with total forward voltages of ...

Page 9

... LED current. The voltage rating of the diode should be greater than the peak supply voltage transient preventing any breakdown or leakage. 150 mA ON Semiconductor Schottky diode MBR0540 (40 V, 500 mA rated) is recommended. Schottky diodes rated at 400 mA (or higher) continuous current are fine for most applications. ...

Page 10

DUTY CYCLE [%] Figure 25. LED Current vs. Duty Cycle VBAT 4 VBAT CAT4201 RSET CTRL SW GND PWM control R4 ...

Page 11

R5 VIN 4.7 μF VBAT CAT4201 RSET R1 8.3 kΩ CTRL SW GND C2 U2 4.7 μF VBAT CAT4201 RSET R2 8.3 kΩ CTRL SW GND C3 U3 4.7 μF VBAT CAT4201 RSET R3 8.3 kΩ ...

Page 12

TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-193. PACKAGE DIMENSIONS TSOT−23, 5 LEAD CASE 419AE−01 ISSUE O SYMBOL MIN A A1 0.01 A2 ...

Page 13

PIN # 1 IDENTIFICATION TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-012. PACKAGE DIMENSIONS SOIC 8, 150 mils CASE 751BD−01 ISSUE O SYMBOL ...

Page 14

... All packages are RoHS−compliant (Lead−free, Halogen−free). 4. The standard plated finish is NiPdAu on all pins. 5. The device used in the above example is a CAT4201TD−GT3 (TSOT−23, NiPdAu, Tape & Reel, 3,000 / Reel). 6. For additional package and temperature options, please contact your nearest ON Semiconductor Sales office. ...

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