CAT3644HV3-GT2 ON Semiconductor, CAT3644HV3-GT2 Datasheet - Page 6

• Manufacturer Part Number: CAT3644HV3-GT2
• Description: IC LED DVR 4CH QUAD MODE 16TQFN
• Manufacturer: ON Semiconductor
• Series: QUAD-Mode®r
• Type: Backlight, White LEDr

Specifications of CAT3644HV3-GT2

• Topology: Linear (LDO), 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
• Voltage - Output: 7V
• 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 Digits: 4
• Low Level Output Current: 25 mA
• High Level Output Current: 100 mA
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Supply Current: 30 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1.3
1.2
1.1
1.0
0.9
0.8
0.7
−40
(V
IN
= 3.6 V, I
Figure 9. Switching Frequency vs.
Figure 13. Power Up in 1.5x Mode
Figure 11. Power Up in 1x Mode
0
OUT
TEMPERATURE (°C)
= 80 mA (4 LEDs at 20 mA), C
1.33x, 2x Mode
Temperature
1.5x Mode
40
TYPICAL PERFORMANCE CHARACTERISTICS
80
http://onsemi.com
IN
= C
120
OUT
6
= C
1
= C
12
10
8
6
4
2
0
2
2.0
= 1 mF, T
Figure 10. Output Resistance vs. Input Voltage
2.5
1.5x
Figure 12. Power Up in 1.33x Mode
AMB
Figure 14. Power Up in 2x Mode
= 25°C unless otherwise specified.)
3.0
INPUT VOLTAGE (V)
2x
1x
3.5
4.0
4.5
1.33x
5.0
5.5