CAT3644HV3-T2 ON Semiconductor, CAT3644HV3-T2 Datasheet - Page 2

• Manufacturer Part Number: CAT3644HV3-T2
• Description: IC LED DRVR WHITE BCKLGT 16-TQFN
• Manufacturer: ON Semiconductor
• Series: QUAD-Mode®r
• Type: Backlight, White LEDr

Specifications of CAT3644HV3-T2

• Topology: Switched Capacitor (Charge Pump)
• Number Of Outputs: 4
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 800kHz ~ 1.6MHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-TFQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 25mA
• Internal Switch(s): Yes
• Efficiency: 92%
• Number Of Segments: 4
• Operating Supply Voltage: 2.5 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: Details
• Other names: CAT3644HV3-T2CT

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:
Table 1. ABSOLUTE MAXIMUM RATINGS
Table 2. RECOMMENDED OPERATING CONDITIONS
V
V
Storage Temperature Range
Junction Temperature Range
V
Ambient Temperature Range
I
LED Forward Voltage Range
LED
IN
OUT
IN
, LEDx, C1±, C2±, EN/DIM voltage
per LED pin
voltage
Typical application circuit with external components is shown above.
Programming
2.4 V
5.5 V
to
V
EZDimt
4.02 kΩ
IN
1−Wire
1 mF
CIN
Parameter
Parameter
Figure 1. Typical Application Circuit
1 mF
EN/DIM
RSET
V
C1+
IN
CAT3644
C1−
GND
http://onsemi.com
C2+
V
LED1
LED2
LED3
LED4
OUT
1 mF
C2−
2
V
OUT
20 mA
C
1 mF
OUT
−65 to +160
−40 to +150
−40 to +85
2.5 to 5.5
1.3 to 4.3
up to 30
Rating
Rating
6
7
Unit
Unit
mA
_C
_C
_C
V
V
V
V