tb62736fugel Marktech Optoelectronics, tb62736fugel Datasheet - Page 7

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

2.8~5.5 V
V
1. Application Circuit Example and Measurement Data (Reference data)
IN
35
30
25
20
15
10
35
30
25
20
15
10
35
30
25
20
15
10
=
2.8
2.8
2.8
3.1
3.1
3.1
Input Voltage - Efficiency/Output Current
Input Voltage - Efficiency/Output Current
Input Voltage - Efficiency/Output Current
3.4
3.4
3.4
3.7
3.7
3.7
2LED Drive, L=4.7µH
3LED Drive, L=6.8µH
4LED Drive, L=6.8µH
V
SHDN
4
4
4
VIN(V)
VIN(V)
VIN(V)
CC
4.3
4.3
4.3
GND
L
1
4.6
4.6
4.6
SW
FB
4.9
4.9
4.9
S-Di
IOUT
Efficiency
IOUT
Efficiency
IOUT
Efficiency
5.2
5.2
5.2
5.5
5.5
5.5
WLEDs
100
90
80
70
60
50
100
90
80
70
60
50
100
90
80
70
60
50
2~6
7
Efficiency in the range of V
Output current in the range of V
<Measurement Data>
35
30
25
20
15
10
35
30
25
20
15
10
• Evaluation conditions
2.8
2.8
2 LED
3 LED
4 LED
5 LED
6 LED
2 LED
3 LED
4 LED
5 LED
6 LED
L
S-Di
LED
C1
C2
3.1
3.1
Input Voltage - Efficiency/Output Current
3.4
Input Voltage - Efficiency/Output Current
3.4
: CXLD120 series (NEO MAX CO.,Ltd.)
: CUS02 1 A/30 V (TOSHIBA Corp.)
: NSCW215T (NICHIA Corp.)
: C2012JB1E105K (TDK Corp.)
: C2012JB1E105K (TDK Corp.)
Output Current (mA)
(Size 2.5 × 3.0 × 1.2 mm)
V
82.60 to 88.46
82.69 to 87.78
80.73 to 86.22
80.73 to 87.28
79.78 to 85.55
IN
3.7
3.7
Efficiency (%)
5LED Drive, L=10µH
6LED Drive, L=10µH
= 3.6 V center
21.13
20.60
20.87
20.06
19.90
4
4
VIN(V)
VIN(V)
IN
4.3
4.3
= 2.8 to 5.5 V
IN
= 3.0 to 5.0 V
4.6
4.6
4.9
4.9
Average Efficiency
-3.50
-1.95
-1.75
-1.81
-1.95
TB62736FUG
MIN
IOUT
Efficiency
IOUT
Efficiency
Tolerance (%)
5.2
5.2
86.29
85.95
83.05
83.45
81.15
(%)
2004-10-29
5.5
5.5
MAX
1.77
1.38
1.11
1.15
1.28
100
90
80
70
60
50
100
90
80
70
60
50