CAT4240TD-GT3 ON Semiconductor, CAT4240TD-GT3 Datasheet - Page 2

• Manufacturer Part Number: CAT4240TD-GT3
• Description: IC LED DRVR WHITE BCKLGHT TSOT-5
• Manufacturer: ON Semiconductor
• Type: Backlight, White LEDr

Specifications of CAT4240TD-GT3

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 800kHz ~ 1.3MHz
• Voltage - Supply: 2.8 V ~ 5.5 V
• Voltage - Output: 38V
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 60mA
• Internal Switch(s): Yes
• Efficiency: 94%
• Number Of Segments: 10
• High Level Output Current: 750 mA
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Supply Current: 1.5 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 4240TD-GT3; CAT4240TD-GT3TR

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
NOTE:
1. Thin SOT23−5 package thermal resistance q
Table 1. ABSOLUTE MAXIMUM RATINGS
Table 2. RECOMMENDED OPERATING CONDITIONS
Table 3. DC ELECTRICAL CHARACTERISTICS
(V
V
SW pin voltage
Ambient Temperature Range (Note 1)
V
SHDN voltage
SW voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
IN
IN
IN
Symbol
V
V
I
V
OV-SW
, FB voltage
F
R
= 3.6 V, ambient temperature of 25°C (over recommended operating conditions unless otherwise specified))
I
LEAK
V
I
V
UVLO
I
I
V
DC
LED
LIM
I
OCL
SD
FB
SW
SW
Q
FB
IH
IL
Typical application circuit with external components is shown on page 1.
SHDN Logic High
SHDN Logic Low
Operating Current
Shutdown Current
FB Pin Voltage
FB pin input leakage
Programmed LED Current
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch “On” Resistance
Switch Leakage Current
Thermal Shutdown
Thermal Hysteresis
Undervoltage Lockout (UVLO) Threshold
Overvoltage Detection Threshold
Output Voltage Clamp
Parameters
Parameters
Parameter
JA
= 135°C/W when mounted on board over a ground plane.
http://onsemi.com
Enable Threshold Level
Shutdown Threshold Level
V
V
V
6 LEDs with I
R1 = 10 W
R1 = 5 W
V
V
V
I
Switch Off, V
“Open LED”
SW
FB
FB
SHDN
IN
IN
IN
2
= 3 V
= 3.6 V
= 5 V
= 100 mA
= 0.2 V
= 0.4 V (not switching)
Test Conditions
= 0 V
SW
LED
= 30 V
= 75 mA
−65 to +160
−40 to +150
−40 to +85
−0.3 to +7
−0.3 to +7
−0.3 to 60
up to 5.5
Ratings
Range
0 to 38
300
28.5
Min
285
600
750
0.4
0.8
Typ
300
150
0.6
0.1
0.1
0.8
0.7
1.0
1.0
1.9
30
60
92
20
40
42
2
Max
31.5
315
1.5
0.6
1.5
1.3
2.0
1
1
5
Units
Units
_C
_C
_C
_C
V
V
V
V
V
Units
MHz
mA
mV
mA
mA
mA
mA
mA
°C
°C
%
W
V
V
V
V