CAT4201TD-GT3 ON Semiconductor, CAT4201TD-GT3 Datasheet - Page 5

• Manufacturer Part Number: CAT4201TD-GT3
• Description: IC LED DRIVER HIGH BRIGHT TSOT-5
• Manufacturer: ON Semiconductor
• Type: HBLED Driverr

Specifications of CAT4201TD-GT3

• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• 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: 1
• 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

Inductor
200mA/
Current
5V/div
100
350
300
250
200
150
100
SW
95
90
85
80
75
70
50
div
0
100
0
Figure 16. LED Current vs. Input Voltage
Figure 14. Efficiency vs. LED Current
4
(V
Figure 18. Switching Waveforms
150
IN
= 13 V, I
2 LEDs
1 LED
8
LED CURRENT (mA)
INPUT VOLTAGE (V)
V
V
F
300 mA
150 mA
F
200
LED
= 3.3 V
= 3.1 V
12
(1 LED)
2 ms/div
= 300 mA, L = 22 mH, C
16
TYPICAL OPERATION CHARACTERISTICS
250
20
300
24
1
http://onsemi.com
= 4.7 mF, C
350
28
5
2
200mA/
Current
5V/div
= 10 mF, T
CTRL
div
LED
−10
350
300
250
200
150
100
10
−2
−4
−6
−8
50
8
6
4
2
0
0
−40
0
AMB
Figure 17. LED Current vs. Input Voltage
Figure 15. LED Current Regulation vs.
= 25°C unless otherwise specified)
4
Figure 19. CTRL Power−up
0
8
TEMPERATURE (°C)
INPUT VOLTAGE (V)
Temperature
12
(2 LEDs)
40 ms/div
V
V
40
F
300 mA
150 mA
F
= 3.3 V
= 3.1 V
16
VIN = 13 V
20
80
24
120
28