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Teilenummer | L6564 |
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Beschreibung | 10 pin transition-mode PFC controller | |
Hersteller | STMicroelectronics | |
Logo | ||
Gesamt 30 Seiten www.DataSheet4U.com
L6564
10 pin transition-mode PFC controller
Features
■ Fast “bidirectional” input voltage feedforward
(1/V2 correction)
■ Accurate adjustable output overvoltage
protection
■ Protection against feedback loop
disconnection (latched shutdown)
■ Inductor saturation protection
■ AC brownout detection
■ Low (≤100 µA) start-up current
■ 6 mA max. operating bias current
■ 1% (@ TJ = 25 °C) internal reference voltage
■ -600/+800 mA totem pole gate driver with
active pull-down during UVLO
■ SSOP10 package
SSOP10
Applications
PFC pre-regulators for:
■ High-end AC-DC adapter/charger
■ Desktop PC, server, Web server
■ IEC61000-3-2 or JEITA-MITI compliant SMPS
Figure 1.
Block diagram
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September 2009
Doc ID 16202 Rev 1
1/34
www.st.com
34
Maximum ratings
2 Maximum ratings
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L6564
2.1
Absolute maximum ratings
Table 1.
Symbol
Vcc
---
---
Absolute maximum ratings
Pin Parameter
10
1, 3, 6
2, 4, 5
IC supply voltage (Icc ≤ 20 mA)
Max. pin voltage (Ipin ≤ 1 mA)
Analog inputs and outputs
IZCD
VFF pin
Other pins
7
5
1 to 4
6 to 10
Zero current detector max. current
Maximum withstanding voltage range
test condition: CDF-AEC-Q100-002
“human body model”
Acceptance criteria: “normal performance”
Value Unit
self-limited
Self-limited
-0.3 to 8
-10 (source)
10 (sink)
+/- 1750
V
V
V
mA
V
+/- 2000
V
2.2
Thermal data
Table 2. Thermal data
Symbol
Parameter
RthJA
Ptot
TJ
Tstg
Max. thermal resistance, junction-to-ambient
Power dissipation @TA = 50 °C
Junction temperature operating range
Storage temperature
Value Unit
120
0.75
-40 to 150
-55 to 150
°C/W
W
°C
°C
6/34 Doc ID 16202 Rev 1
6 Page Typical electrical performance
5 Typical electrical performance
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L6564
Figure 3.
100
IC consumption vs VCC
10
1
C o=1 nF
f =70kHz
Tj = 25°C
0.1
0.01
0. 001
0
VccOFF
VccON
5 10 15 20 25 30
Vcc [V ]
Figure 4.
10
IC consumption vs TJ
Operating
1
VCC=12V
Co = 1nF
f =7 0 kH z
0.1
Quiescent
Disabled or
during OV P
Latched off
Before Start up
0.01
-50
-25
0
25 50 75 100 125 150 175
Tj (C)
Figure 5.
28
Vcc Zener voltage vs TJ
27
26
25
24
23
22
-50 -25 0 25 50 75 100 125 150 175
Tj (C)
Figure 6.
13
Start-up and UVLO vs TJ
12 V CC-ON
11
10
VC C -OFF
9
8
7
6
-50 -25 0 25 50 75 100 125 150 175
Tj (C)
12/34
Doc ID 16202 Rev 1
12 Page | ||
Seiten | Gesamt 30 Seiten | |
PDF Download | [ L6564 Schematic.PDF ] |
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