FAN5611 Fairchild Semiconductor, FAN5611 Datasheet - Page 9

• Manufacturer Part Number: FAN5611
• Description: Low-Dropout LED Drivers for White/ Blue or any Color LED
• Manufacturer: Fairchild Semiconductor

PRODUCT SPECIFICATION
- PWM - 2
Set V
ON/OFF = PWM
3. FAN5613
- Analog
Set V
- PWM - 1
V
- PWM - 2
Set V
ON/OFF = PWM
4. FAN5614
REV. 1.0.4 6/4/04
I
I
I
LED
LED
LED
CONTROL
– Amplitude sets maximum LED current
– Pulse width controls between 0 and maximum
– Amplitude has no effect on current
– Pulse width controls between 0 and maximum
– Amplitude sets maximum LED current
– Pulse width controls between 0 and maximum
– Amplitude has no effect on current
– Pulse width controls between 0 and maximum
∼
∼
CONTROL
CONTROL
CONTROL
=
V
200 I
200 I
V
CONTROL
200
-------------------------------------------------------------------------
CONTROL
×
×
= PWM
ENABLE
×
V IN
SET
SET
(
R SET
V
and R
and R
and R
I SET
V IN
CONTROL
I SET
R SET
R
SET
SET
SET
SET
CTRL
ON/OFF
I4
CTRL
ON/OFF
for maximum LED current
for LED current
for maximum LED current
–
V
CTRL
FAN5613
I3
I1/I2
FAN5614
V SS
)
V SS
I2
I3/I4
I1
- Analog
Set V
- PWM - 1
V
- PWM - 2
Set V
ON/OFF = PWM
I
I
I
LED
LED
LED
CONTROL
– Amplitude sets maximum LED current
– Pulse width controls between 0 and maximum
– Amplitude has no effect on current
– Pulse width controls between 0 and maximum
∼
CONTROL
CONTROL
=
=
200 I
200
-------------------------------------------------------------------------
200
-------------------------------------------------------------------------
×
= PWM
×
×
SET
(
(
V
V
and R
and R
CONTROL
CONTROL
R
R
SET
SET
SET
SET
FAN5611/FAN5612/FAN5613/FAN5614
for LED current
for maximum LED current
–
–
V
V
CTRL
CTRL
)
)
9