RDK-252 Power Integrations, RDK-252 Datasheet - Page 11

• Manufacturer Part Number: RDK-252
• Description: KIT REF DESIGN DG CAPZERO
• Manufacturer: Power Integrations
• Series: CAPZero™r
• Type: Other Power Managementr

Specifications of RDK-252

• Main Purpose: Automatic X Capacitor Discharge
• Embedded: No
• Utilized Ic / Part: CAP014DG, CAP002DG, CAP012DG
• Primary Attributes: Low No-Load Input Power (
• Secondary Attributes: Surge Testing to EN6100-4-5 Class 4
• Input Voltage: 85 V to 264 V
• Board Size: 38.1 mm x 25.4 mm
• Product: Power Management Modules
• Dimensions: 38.1 mm x 25.4 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: CAP014DG
• Other names: 596-1313

Figure 13. Recommended Clamp Circuits with TOPSwitch-JX Applications.
Figure 12. Typical TOPSwitch-JX Flyback Power Supply Using Optocoupler-TL431 Feedback Circuit.
www.powerint.com
AN-47
V
+
AC
R
CLAMP
C
CLAMP
Optional
R
D
CLAMP2
CLAMP
R
VR
PL
D
CLAMP
S
C
IN
CONTROL
D
S
X
(a)
V
CONTROL
F
X
V
C
100 nF
F
TOPSwitch-JX
C
6.8 Ω
47 µF
TL431
VR
R
CLAMP
CLAMP
200 Ω (V
R
1 kΩ (V
3.3 kΩ
UTV817A
D
Feedback Circuit
D
C
R
L
CLAMP
CLAMP
CLAMP2
PF
O
O
= 12 V)
10 kΩ
100 nF
= 5 V)
R
D
S
R
S2
S1
CONTROL
(b)
X
V
C
PF
F
CIRCUIT PERFORMANCE
Circuit Tolerance ±1%
Load Regulation ±0.2%
Line Regulation ±0.2%
Application Note
PI-5839-021010
R =
C
PI-5761-030110
V
V
+
-
O
O
2.5
- 2.5
X 10 kΩ
Rev. A 030910
11