CAT3647HV3-GT2 CATALYST SEMICONDUCTOR, CAT3647HV3-GT2 Datasheet - Page 5
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CAT3647HV3-GT2
Manufacturer Part Number
CAT3647HV3-GT2
Description
IC, LED DRIVER, CHARGE PUMP, TQFN-16
Manufacturer
CATALYST SEMICONDUCTOR
Datasheet
1.CAT3647HV3-GT2.pdf
(14 pages)
Specifications of CAT3647HV3-GT2
Led Driver Application
LCD Display Backlight, Digital Still Cameras
No. Of Outputs
3
Output Current
30mA
Output Voltage
7V
Input Voltage
2.5V To 5.5V
Topology
Charge Pump
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CAT3647HV3-GT2
Manufacturer:
CATALYST
Quantity:
20 000
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
V
IN
F
1x
F
F
Figure 7. LED Current Change vs. Input
= 3.3 V
= 3.6 V, I
= 3.3 V
= 3.3 V
Figure 3. Efficiency vs. Input Voltage
5.0
2.5
4.0
OUT
3.0
4.5
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
= 60 mA (3 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
2.0
5.5
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
2x
= 3.3 V
= 3.3 V
Figure 4. Efficiency vs. Li−Ion Voltage
1x
4.0
Figure 8. LED Current Change vs.
AMB
= 25°C unless otherwise specified.)
0
0
3.8
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
Temperature
3.6
40
40
1.33x
1.33x
1x
3.4
80
80
3.2
120
120
3.0