RDK-252 Power Integrations, RDK-252 Datasheet - Page 6

• 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

Rev. A 030910
Table 4. Suggested Values for V
Maximum output power /
smallest TOPSwitch-JX
Device
Highest Efficiency
Multiple Output Design
Figure 7.
Performance Goal
6
Application Note
Discontinuous Mode Current Waveform, K
OR
100 V - 120 V Gives lowest overall
V
Suggestion
90 V - 110 V
.
OR
135 V
Value
(a) Discontinuous, K
(b) Borderline Discontinuous/Continuous, K
Maximizes power from
given device
losses between,
conduction, output diode
and leakage inductance
Improves cross regulation
by reducing transformer
leakage inductance and
peak secondary currents
Comment
P
≥1.
D × T
D × T
P
> 1
K
P
t
≡ K
T = 1/f
T = 1/f
DP
=
S
S
(1-D) × T
(1-D) × T
(1-D) × T = t
Figure 6.
t
P
= 1
(a) Continuous, K
(b) Borderline Continuous/Discontinuous, K
Continuous Mode Current Waveform, K
I
R
I
R
P
K
< 1
P
≡ K
I
I
P
P
RP
=
I
I
R
P
P
≤1.
www.powerint.com
P
= 1
PI-2578-011410
PI-2587-011410
AN-47