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MIKROE-2479

P1-P3P4-P6P7-P9P10-P12P13-P13
CAT3224
http://onsemi.com
4
Cap Voltage and Flag Output
The timing diagram in Figure 2 shows the CAP output voltage and the FLAG output in charge mode (with CHRG input high).
Figure 2. Supercapacitor Charge Timing Diagram
CAP VOLTAGE
V
C
OFF
V
F
ON
Charge Current
0 A
0 A
FLAG
FLASH
LED Current
TIME
V
F
HYST
V
C
HYST
CAT3224
http://onsemi.com
5
TYPICAL CHARACTERISTICS
(VIN = 3.6 V, C = 0.55 F, T
AMB
= 25°C, typical application circuit unless otherwise specified.)
Figure 3. Idle Quiescent Current vs. Input
Voltage
Figure 4. Charge Current vs. R
C
INPUT VOLTAGE (V)
R
C
(kW)
5.55.04.54.03.53.0
60
70
80
90
100
101.00.1
0.1
1.0
Figure 5. Flash LED Current vs. R
F
Figure 6. Torch LED Current vs. R
T
R
F
(kW)R
T
(kW)
101.00.1
0.1
1.0
10
101.00.1
10
100
1,000
Figure 7. FLAG R
DSON
vs. Input Voltage
INPUT VOLTAGE (V)
5.55.04.54.03.53.0
0
5
10
15
20
I
QVIN
(mA)
I
CHARGE
(A)
I
FLASH
(A)
I
TORCH
(mA)
R
DSON
(W)
CAT3224
http://onsemi.com
6
TYPICAL CHARACTERISTICS
(VIN = 3.6 V, C = 0.55 F, T
AMB
= 25°C, typical application circuit unless otherwise specified.)
Figure 8. V
RF
vs. I
FLASH
Figure 9. V
RC
vs. I
CHARGE
I
FLASH
(A) I
CHARGE
(A)
2.01.51.00.50
570
580
590
600
610
620
630
1.00.80.60.40.20
570
580
590
600
610
620
630
Figure 10. V
RT
vs. I
TORCH
Figure 11. V
CAP
idle vs. R
C
I
TORCH
(mA)
R
C
(kW)
200150100500
570
580
590
600
610
620
630
3.02.52.01.51.00.50
4.0
4.5
5.0
5.5
6.0
Figure 12. Torch Output Current vs. V
CAP
V
CAP
(V)
5.55.04.54.03.53.0
0
100
200
300
400
500
V
RF
(mV)
V
RC
(mV)
V
RT
(mV)
V
C_OFF
(V)
I
OUT
(mA)
Vled = 2.9 V
P1-P3P4-P6P7-P9P10-P12P13-P13

MIKROE-2479

Mfr. #:
Buy MIKROE-2479
Manufacturer:
Mikroe
Description:
LED Lighting Development Tools LED Flash click
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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