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KB1365 Datasheet(PDF) 5 Page - Kingbor Technology Co

Part # KB1365
Description  2MHz High-Brightness LED Drivers with High-Side Current Sense and 5000:1 Dimming
PDF  9 Pages
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Manufacturer  KINGBOR [Kingbor Technology Co]
Direct Link  http://www.kingbor.com
Logo KINGBOR - Kingbor Technology Co

KB1365 Datasheet(HTML) 5 Page - Kingbor Technology Co

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KB1365
Kingbor Technology Co.,Ltd
TEL:(86)0755-26508846 FAX:(86)0755-26509052
REV: 1.0
(VIN = VDIM = 12V, CVCC = 1µF, RSENSE = 0.5
connected between IN and CSN. Typical values at TA = +25°C, unless otherwise
noted.)
EFFICIENCY vs. VIN
DRV SWITCHING FREQUENCY
vs. VIN
VIN (V)
32
26
20
12
8
100
200
300
400
600
500
700
800
900
1000
1100
1200
1300
1400
1500
0
L = 47
µH
LED 5
LED 4
LED 3
LED 1
LED 2
LED CURRENT VARIATION vs. VIN
VIN (V)
30
25
15
20
-1.5
-1.0
-0.5
0
1.0
0.5
1.5
2.0
-2.0
LED 5
LED 4
LED 3
LED 2
LED 1
ILED(NOMINAL) = 400mA
L = 100
µH
VCC vs. VIN
VIN (V)
25.0
22.5
17.5 20.0
10.0 12.5 15.0
7.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
4.5
5.0
40
ILED = 0
VCC vs. TEMPERATURE
TEMPERATURE (
°C)
110
95
65 80
-10 5
20 35 50
-25
5.31
5.32
5.33
5.34
5.35
5.36
5.37
5.38
5.39
5.40
5.30
-40
125
VIN = 24V
VIN = 12V
VDIM = 0V
SUPPLY CURRENT vs. VIN
VIN (V)
24.5
12.5
20.5
16.5
8.5
350
400
450
500
4.5
40
VDIM = 0V
PWM DIMMING AT 200Hz
(10% DUTY CYCLE)
1ms/div
VDIM
2V/div
0V
0A
ILED
200mA/div
VIN = 12V, L = 47
µH,
1 LED
PWM DIMMING AT 200Hz
(90% DUTY CYCLE)
1ms/div
VDIM
2V/div
0V
0A
ILED
200mA/div
VIN = 12V, L = 47
µH,
1 LED
1,3 and 7 LEDs
L = 100 H
60
65
70
75
80
85
90
95
100
010
20
30
40
Supply Voltage V
IN (V)
1 Led
3 Led
7 Led
TYPICAL PERFORMANCE CHARACTERISTICS
0
40
40
5



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