ap3902p-g1 BCD Semiconductor Manufacturing Limited, ap3902p-g1 Datasheet - Page 6

• Manufacturer Part Number: ap3902p-g1
• Description: Low Power Pwm Switch For Off-line Smps
• Manufacturer: BCD Semiconductor Manufacturing Limited

Thermal Impedance
Typical Performance Characteristics
Sep. 2008 Rev. 1.0
LOW POWER PWM SWITCH FOR OFF-LINE SMPS
Figure 6. Switching Frequency vs. Ambient Temperature
Figure 4. Start-up Current vs. Ambient Temperature
Parameter
Junction to Ambient
Junction to Case
400
350
300
250
200
150
100
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
-40
-40
-20
-20
0
0
Ambient Temperature (
Ambient Temperature (
20
20
40
40
60
o
C)
60
o
C)
80
80
100
100
120
Symbol
R
R
6
θ
θ
JA
JC
Figure 5. Operating Current vs. Ambient Temperature
500
480
460
440
420
400
380
360
340
320
300
-40
BCD Semiconductor Manufacturing Limited
-20
Value
0
Ambient Temperature (
60
30
20
40
o
C)
60
Data Sheet
o
80
AP3902
Unit
C/W
100