ld7522 Leadtrend Technology, ld7522 Datasheet - Page 7

• Manufacturer Part Number: ld7522
• Description: Smart Green-mode Pwm Controller With Multiple Protections
• Manufacturer: Leadtrend Technology

Typical Performance Characteristics
Leadtrend Technology Corporation
LD7522-DS-03 January 2008
18.0
17.2
16.4
15.6
14.8
14.0
70
67
64
61
58
55
70
68
66
64
62
60
-40
-40
12
Fig. 3 Frequency vs. Temperature
Fig. 1 UVLO (on) vs. Temperature
14
0
0
Fig. 5 Frequency vs. V
Temperature (°C)
16
Temperature (°C)
V
CC
40
40
18
(V)
20
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CC
80
80
22
24
120
120
7
12.0
10.4
11.2
25
23
21
19
15
9.6
8.8
8.0
26
24
22
20
18
16
17
-40
-40
12
Fig. 4 Green Mode Frequency vs. Temperature
Fig. 2
Fig. 6 Green Mode Frequency vs. V
14
0
0
UVLO (off) vs. Temperature
Temperature (°C)
16
Temperature (°C)
V
CC
40
18
40
(V)
20
LD7522
80
80
22
CC
24
120
120