CAT4101TV-T75 CATALYST SEMICONDUCTOR, CAT4101TV-T75 Datasheet - Page 5

• Manufacturer Part Number: CAT4101TV-T75
• Description: IC, LED DRIVER, CONSTANT CURRENT, TO263-5
• Manufacturer: CATALYST SEMICONDUCTOR

Specifications of CAT4101TV-T75

• Led Driver Application: Architectural, Automotive Lighting
• No. Of Outputs: 1
• Output Current: 1A
• Output Voltage: 3.5V
• Input Voltage: 3V To 5.5V
• Topology: Constant Current
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1.30
1.25
1.20
1.15
1.10
100
1.2
1.0
0.8
0.6
0.4
0.2
0.1
10
0
1
0
0.1
3.0
Figure 13. LED Current vs. PWM Duty Cycle
100 Hz
Figure 9. RSET Pin Voltage vs. VIN Voltage
Figure 11. LED Current vs. RSET Resistor
1 kHz
(V
IN
3.5
1
= 5 V, V
5 kHz
INPUT VOLTAGE (V)
1
DUTY CYCLE (%)
CC
4.0
2
= 5 V, V
RSET (kW)
50 kHz
TYPICAL PERFORMANCE CHARACTERISTICS
F
= 3.5 V, I
4.5
3
10
LED
5.0
= 1 A (1 LED), C
4
http://onsemi.com
100
5.5
5
5
IN
= 1 mF, T
1.30
1.25
1.20
1.15
1.10
1.4
1.2
1.0
0.8
0.6
0.4
−40
3.0
Figure 10. RSET Pin Voltage vs. Temperature
AMB
Figure 12. PWM 200 Hz, 1% Duty Cycle
Figure 14. EN/PWM Threshold vs. VIN
= 25°C unless otherwise specified.)
3.5
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
4.0
40
4.5
80
5.0
−40°C
25°C
85°C
120
5.5