ZXLD1374 データシートの表示（PDF） - Diodes Incorporated.
部品番号
コンポーネント説明
メーカー
ZXLD1374
Diodes Incorporated.
ZXLD1374 Datasheet PDF : 39 Pages
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Typical Characteristics
3
2.5
2
1.5
1
0.5
0
6 12 18 24 30 36 42 48 54 60
SUPPLY VOLTAGE (V)
Figure 1 Supply Current vs. Supply Voltage
700
1400
650
600
1200
550
500
1000
450
400
ILED
800
350
300
Switching
Frequency
600
250
200
400
150
100
50
TA = 25°C
VAUX = VIN = 24V
8LEDs
L = 33µH
GI = 0.23
200
0
RS = 300mΩ
0
0
0.5
1
1.5
2
2.5
ADJ VOLTAGE
Figure 3 Buck-Boost LED Current, Switching Frequency vs. VADJ
1500
1250
A Product Line of
Diodes Incorporated
ZXLD1374
1500
900
1250
750
1000
600
ILED
750
450
500
Switching
Frequency
300
250
TA = 25°C
VAUX = VIN = 12V
2LEDs
L = 33µH
RS = 300mΩ
150
0
0
0
0.5
1
1.5
2
2.5
ADJ VOLTAGE (V)
Figure 2 Buck LED Current, Switching Frequency vs. VADJ
700
700
650
600
600
550
500
500
450
400
ILED
400
350
300
250
Switching
Frequency
300
200
150
100
50
TA = 25°C
VAUX = VIN = 12V
12 LEDs
L = 33µH
RS = 300mΩ
200
100
0
0
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5
ADJ VOLTAGE
Figure 4 Boost LED Current, Switching Frequency vs. VADJ
1000
750
500
250
0
0 10 20 30 40 50 60 70 80 90 100
PWM DUTY CYCLE (%)
Figure 5 ILED vs. PWM Duty Cycle
Figure 6 ILED vs. Time - PWM Pin Transient Response
ZXLD1374
Document number: DS35032 Rev. 3 - 2
8 of 39
www.diodes.com
September 2012
© Diodes Incorporated
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