CAT3644HV3-GT2 ON Semiconductor, CAT3644HV3-GT2 Datasheet - Page 5

• 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

100
−10
90
80
70
60
50
40
10
−2
−4
−6
−8
4
3
2
1
0
8
6
4
2
0
4.5
5.5
2.0
V
Figure 5. Quiescent Current vs. Input Voltage
(V
V
F
V
1x
IN
F
F
= 3.3 V
Figure 7. LED Current Change vs. Input
= 3.3 V
= 3.6 V, I
Figure 3. Efficiency vs. Input Voltage
= 3.3 V
5.0
2.5
4.0
3.0
4.5
OUT
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
= 80 mA (4 LEDs at 20 mA), C
LEDs Off
3.5
4.0
3.5
Voltage
1.33x
TYPICAL PERFORMANCE CHARACTERISTICS
4.0
3.5
3.0
1.5x
3.0
4.5
2.5
2.5
5.0
2x
http://onsemi.com
IN
= C
OUT
2.0
5.5
2.0
5
= C
1
= C
100
−10
90
80
70
60
50
40
10
−2
−4
−6
−8
4
3
2
1
0
8
6
4
2
0
−40
−40
2
4.2
= 1 mF, T
Figure 6. Quiescent Current vs. Temperature
V
V
F
F
1.5x
= 3.3 V
2x
1x
= 3.3 V
Figure 4. Efficiency vs. Li−Ion Voltage
4.0
Figure 8. LED Current Change vs.
AMB
= 25°C unless otherwise specified.)
0
0
3.8
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
Temperature
3.6
40
40
1.33x
1.33x
1x
3.4
80
80
3.2
120
120
3.0