ISL6841EVAL3Z Intersil, ISL6841EVAL3Z Datasheet - Page 7

• Manufacturer Part Number: ISL6841EVAL3Z
• Description: EVALUATION BOARD FOR ISL6841
• Manufacturer: Intersil

Specifications of ISL6841EVAL3Z

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Isolated
• Voltage - Output: 12V
• Current - Output: 2.5A
• Voltage - Input: 18 ~ 30V
• Regulator Topology: Flyback
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6841
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

.
FIGURE 16. BOTTOM VIEW - ISL6841EVAL3Z BOARD
FIGURE 15. TOP VIEW - ISL6841EVAL3Z BOARD
ISL6841
2.000
2.000
7
Application Note 1384
Circuit Elements
Input Filtering Capacitance – C
Isolation Transformer – T1
Power MOSFET – Q
Current Sense Network – T2, D
Start-up Bias Circuit – R
Operating Bias Circuit – D
Control Circuit – U
Conventional Rectification Diode – D
Output Filtering – C
Feedback Network – R
R
Slope Compensation - Q
Primary RCD Snubber - R
Primary FET Snubber - R
Secondary Rectifier Snubber - R
Safety Capacitor - C
Optional Circuit for Primary Auxiliary Feedback - R
R
Summary
Using a high performance, low-cost PWM controller with a
low pin-count, all the design targets have been achieved,
while keeping the cost to a minimum. The ISL6841EVAL3Z
schematic and BOM for the evaluation board are provided
as follows. Please contact our Technical Support Center for
custom output voltage requirements. They can be reached
through Intersil’s website at:
http://www.intersil.com/cda/home/ or via phone at
1-888-INTERSIL.
20
12
, R
, C
21
13
, D
, C
8
14
, D
9
, C
1
, C
5
15
17
1
, C
, C
10
13
6
10
, C
, C
3
16
, R
23
, R
1
5
, Q
, R
, D
, U2
11
2
, C
14
22
2
, R
7
1
, R
, D
18
1
, C
, C
2
, C
2
, R
11
6
15
, C
9
4
, C
3
, D
4
, R
7
, R
3
12
7
16
3
, R
, C
, R
6
8
17
(R
, R
February 12, 2008
5
18
optional)
8
, R
, R
AN1384.0
19
9
,
,