ame5142c AME, Inc., ame5142c Datasheet - Page 20

• Manufacturer Part Number: ame5142c
• Description: High Efficiency 6 White Led Driver With Open Led Protection
• Manufacturer: AME, Inc.

20
AME5142C
1
2
3
1
2
3
V
I
1) EN = 2V/div, DC
2) Inductor Current, 100mA / div, DC
3) V
V
I
1) EN = 2V / div, DC
2) Inductor Current, 500mA / div, DC
3) V
OUT
OUT
IN
IN
= 2.8V; 1 LEDs
= 5.5V; 6 LEDs
= 20mA
= 20mA
OUT
OUT
AME
, 10V / div, DC
, 10V / div, DC
Start-Up / Shutdown
Start-Up / Shutdown
200 S / Div
200 S / div
High Efficiency 6 White LED Driver
1
2
3
1
2
3
V
I
1) EN = 2V / div, DC
2) Inductor Current, 500mA / div, DC
3) V
With Open LED Protection
OUT
V
I
1) V
2) V
3) Input Current, 200mA / div, DC
Inductor = 22 H, C
OUT
IN
IN
= 2.8V; 6 LEDs
= 20mA
= 2.8V; 6 LEDs
OUT
= 20mA
SW
OUT
Typical Switching Waveform
= 10V / div, DC
, 10V / div, DC
, 100mV / div, AC
Start-Up / Shutdown
200 S / div
1 S / div
OUT
= 0.22 F
Rev. B.01