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L6565 Folha de dados(PDF) 5 Page - STMicroelectronics

Nome de Peças L6565
Descrição Electrónicos  QUASI-RESONANT SMPS CONTROLLER
PDF  17 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6565 Folha de dados(HTML) 5 Page - STMicroelectronics

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L6565
Figure 1. Supply current vs. Supply voltage
Figure 2. Start-up & UVLO vs. Temperature
Figure 3. Feedback reference vs. Temperature
Figure 4. Line feedforward characteristics
Figure 5. Pin 2 (COMP) V-I characteristics
Figure 6. ZCD blanking time vs. COMP voltage
0
5
10
15
20
VCC(V)
0
0.005
0.01
0.05
0.1
0.5
1
5
10
ICC
(mA)
CL = 1nF
f = 70KHz
TA = 25°C
T (°C)
VCC-ON
(V)
VCC-OFF
(V)
-25
0
25
50
75
100
125
9
10
11
12
13
14
-50
0
50
100
2.46
2.48
2.50
T (°C)
VREF
(V)
D94IN048A
Vcsx [V]
0
0.5
1
1.5
2
2.5
3
3.5
0
0.5
1
1.5
VVFF [V]
VCOMP = 2.5V
3.0 V
3.5 V
4.0 V
4.5 V
5.0 V
Upper clamp
01
2
3
4
0
1
2
3
4
5
6
Regulation
range
VCOMP [V]
ICOMP [mA]
Tj = 25 °C
Vpin1 = 0
TBLANK [µs]
234
56
0
5
10
15
20
VCOMP [V]
Tj = 25 °C



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