tb62736fugel Marktech Optoelectronics, tb62736fugel Datasheet - Page 11

• Manufacturer Part Number: tb62736fugel
• Description: Step-up Type Dc-dc Converter For White Leds
• Manufacturer: Marktech Optoelectronics

5. Application Circuit Example and Measurement Data (Reference data)
2.8~5.5 V
V
IN
=
Efficiency in the range of V
Output current in the range of V
35
30
25
20
15
10
35
30
25
20
15
10
V
SHDN
2 LED
3 LED
2 LED
3 LED
2.8
CC
2.8
GND
L
3.1
3.1
1
<Measurement Data>
Input Voltage - Efficiency/Output Current
Input Voltage - Efficiency/Output Current
SW
3.4
FB
3.4
Output Current (mA)
V
81.78～88.79
76.84～85.48
IN
S-Di
Efficiency (%)
2LED Drive, L=5.1µH
3.7
3LED Drive, L=5.1µH
3.7
= 3.6 V center
21.19
20.71
4
4
VIN(V)
VIN(V)
IN
= 2.8 to 5.5 V
WLEDs
11
4.3
4.3
IN
2~3
= 3.0 to 5.0 V
4.6
4.6
Average Efficiency
-2.99
-1.98
4.9
4.9
MIN
Tolerance (%)
IOUT
Efficiency
IOUT
Efficiency
5.2
85.84
82.17
5.2
(%)
• Evaluation conditions
5.5
5.5
MAX
1.64
1.44
100
90
80
70
60
50
L
S-Di
LED
C1
C2
100
90
80
70
60
50
: 32R51 (KOA Corp.)
: CUS02 1 A/30 V (TOSHIBA Corp.)
: NSCW215T (NICHIA Corp.)
: C2012JB1E105K (TDK Corp.)
: C2012JB1E105K (TDK Corp.)
(Size 3.2 × 2.5 × 0.6 mm)
TB62736FUG
2004-10-29