TCA62735AFLG(O,EBS) Toshiba, TCA62735AFLG(O,EBS) Datasheet - Page 10
TCA62735AFLG(O,EBS)
Manufacturer Part Number
TCA62735AFLG(O,EBS)
Description
IC WHITE LED DRIVER 16VQFN
Manufacturer
Toshiba
Type
Backlight, White LEDr
Datasheet
1.TCA62735AFLGOEBS.pdf
(18 pages)
Specifications of TCA62735AFLG(O,EBS)
Constant Current
Yes
Topology
PWM, Step-Up (Boost), Switched Capacitor (Charge Pump)
Number Of Outputs
*
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
White LED
Frequency
1MHz
Voltage - Supply
2.8 V ~ 4.2 V
Mounting Type
Surface Mount
Package / Case
16-VQFN
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
120mA
Internal Switch(s)
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Efficiency
-
Other names
TCA62735AFLG(O,EB)
TCA62735AFLG(OEB)TR
TCA62735AFLG(OEB)TR
TCA62735AFLG(OEB)TR
TCA62735AFLG(OEB)TR
C
C
2
1
Evaluation Circuit
=1.0µF
=1.0µF
160
140
120
100
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
80
60
40
20
0
2.8
5
T
1x Mode Transition V oltage vs. ILED Current
a
3.0
=25°C
10
IOUT Current vs. VIN
4LEDs at 30mA
4LEDs at 20mA
4LEDs at 5mA
C1-
C2-
C2+
GND
3.2
ILED Current (mA )
15
3.4
VIN (V)
3.6
20
LED Vf=3.2V,4c h ON
LED Vf=3.4V,4c h ON
LED Vf=3.6V,4c h ON
3.8
R
CTL2
CTL1
CTL0
SET
C
T
EN
OUT
a
25
=25°C
=8.2kΩ~47kΩ
4.0
=1.0µF
A
4.2
10/18
30
V
40
35
30
25
20
15
10
5
0
2.8
• Evaluation conditions
V
3.0
LED
C
C
C
C
IN
OUT
1
2
ILED Current vs. VIN
4LEDs at 30mA
4LEDs at 20mA
4LEDs at 5mA
3.2
: NACW215 (NICHIA Corp.)
: C1608JB1C225K (TDK Corp.)
: C1608JB1C105K (TDK Corp.)
: C1608JB1C105K (TDK Corp.)
: C1608JB1C105K (TDK Corp.)
A
V
IN
3.4
TCA62735AFLG
=2.8V~4.2V
VIN (V)
C
IN
3.6
=2.2µF
2007-06-21
3.8
T
a
=25°C
4.0
4.2