zxld1360 Zetex Semiconductors plc., zxld1360 Datasheet - Page 14

• Manufacturer Part Number: zxld1360
• Description: 1a Led Driver With Internal Switch
• Manufacturer: Zetex Semiconductors plc.

Typical operating conditions
Issue 1 - March 2007
© Zetex Semiconductors plc 2007
1.235
1.225
1.215
350
300
250
200
150
100
1.24
1.23
1.22
1.21
50
0
-55
-55
-0.1
-0.2
-0.3
-0.4
-0.5
0.5
0.4
0.3
0.2
0.1
0
-55
-35
-35
ZXLD1360 Response Time vs Temperature
-35
Output current change vs Temperature
-15
-15
-15
Typical minimum LX 'on' and 'off' time
V
IN
= 12V, L= 470uH, Rs = 0.33 Ohms
Ambient Temperature (°C)
Ambient Temperature (
5
5
L = 470uH, Rs = 0.33 Ohms
Min LX on
Ambient Temperature (
Vadj vs Temperature
5
25
25
25
45
Min LX off
45
45
o
65
C )
65
o
65
C )
85
85
85
105
105
105
125
125
125
12V, single LED
12V, three LED
24V, single LED
24V, three LED
12V, single LED
12V, three LED
14
100.4
100.2
0.80
0.70
0.60
0.50
0.40
0.30
0.20
99.8
99.6
99.4
99.2
98.8
98.6
98.4
100
-0.2
-0.4
-0.6
-0.8
0.4
0.2
99
-1
0
-55
-55
-50
Voltage across Rsense (0.333 Ohm) vs Temperature
-35
-35
Output current change vs Temperature
Lx Switch "On" Resistance vs Temperature
-15
-15
V
0
IN
= 24V, L= 470uH, Rs = 0.33 Ohms
Ambient Temperature (
5
Ambient Temperature (
5
Ambient Temperature (
25
50
25
45
45
o
65
C )
100
o
65
C )
o
C )
85
ZXLD1360
85
www.zetex.com
105
150
105
125
125
24V, single LED
24V, three LED
200
24V, single LED
12V, three LED
12V, single LED
24V, three LED