CAT3637HV3-GT2 ON Semiconductor, CAT3637HV3-GT2 Datasheet - Page 5

• Manufacturer Part Number: CAT3637HV3-GT2
• Description: IC LED DRVR WHITE BCKLGT 16-TQFN
• Manufacturer: ON Semiconductor
• Series: QUAD-Mode®r
• Type: Backlight, White LEDr

Specifications of CAT3637HV3-GT2

• Topology: Switched Capacitor (Charge Pump)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 600kHz ~ 1.4MHz
• 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: 30mA
• Internal Switch(s): Yes
• Efficiency: 92%
• Number Of Segments: 6
• 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: CAT3637HV3-GT2TR

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