Diodes ZXLD1371 - Manual (Page 19)

ZXLD1371
ZXLD1371
Document number: DS35436 Rev. 1 - 2
19 of 42
www.diodes.com
February 2012
© Diodes Incorporated
A Product Line of
Diodes Incorporated
Typical Characteristics – Buck-Boost Mode –5 LEDs GI
RATIO
= 0.23
I = 150mA
LED
I = 500mA
LED
I = 350mA
LED
T = 25°C, V = V , 5 LEDs
C = 100µF
A IN AUX
IN
L = 33µH, R9 = 120k R10 = 36k Ω, Ω
5 6 9 14 15 18 8 12 16 17 13 10 11 7
0.60
LE
D
C
U
R
R
EN
T
(A
)
0.10
0.55
0.15
0.50
0.20
0.45
0.25
0.40
0.30
0.35
I = 150mA
LED
I = 350mA
LED
T = 25°C, V = V , 5 LEDs,
L = 33 H,
C
= 100µF
A IN AUX
IN
µ R9 = 120k R10 = 36k Ω, Ω
5 6 9 14 15 18 8 12 16 17 13 10 11 7
0
100
200
300
400
500
600
700
800
900
1000
I = 500mA
LED
SW
IT
C
H
IN
G
F
R
E
Q
U
EN
C
Y
(
k
H
z)
I = 150mA
LED
I = 500mA
LED
I = 350mA
LED
T = 25°C, V = V , 5 LEDs
C = 100µF
A IN AUX
IN
L = 33µH, R9 = 120k R10 = 36k Ω, Ω
5 6 9 14 15 18 8 12 16 17 13 10 11 7
90
E
FFI
C
IE
N
C
Y
%
40
85
45
80
50
75
55
70
60
65