TDK-Lambda CN-A24 Series Instruction Manual Download Page 2

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TDK-Lambda 

CN-A24 Series 
Instruction Manual

 

 

 

Table of Contents 

 

Block Diagram 

 

Sequence Time Chart 

 

Terminal Explanation 

 

Explanations on Specifications   

1.        Input Voltage Range 
2.        Output Voltage Adjustment Range 
3.        Maximum Output Ripple and Noise 
4.        Maximum Line Regulation   
5.        Maximum Load Regulation 
6.        Base-plate Temperature vs. Output Voltage Drift 
7.        Over Current Protection    (OCP) 
8.        Over Voltage Protection    (OVP) 
9.        Over Temperature Protection    (OTP) 
10.      Remote Sensing    (+S, -S terminal) 
11.      ON/OFF Control    (CNT terminal) 
12.      Redundant Operation 
13.      Parallel Operation     
14.      Series Operation 
15.      Operating Ambient Temperature 
16.      Operating Ambient Humidity 
17.      Storage Ambient Temperature 
18.      Storage Ambient Humidity 
19.      Cooling Method 
20.      Withstand Voltage 
21.      Isolation Resistance 
22.      Vibration 
23.      Shock       

 

Installation 

1. 

Mounting Method 

2. 

Heatsink Installation Method 

3. 

Regarding Vibration 

4.

 

Recommended Soldering Condition 

5.

 

Recommended Cleaning Condition

 

 

Before concluding power module damage 

 

Option Heatsink 

Summary of Contents for CN-A24 Series

Page 1: ...t Voltage Range as specification Insulation failure smoking burning or other damage might occur to the unit Do not use this product in environment with a strong electromagnetic field corrosive gas or...

Page 2: ...Protection OVP 9 Over Temperature Protection OTP 10 Remote Sensing S S terminal 11 ON OFF Control CNT terminal 12 Redundant Operation 13 Parallel Operation 14 Series Operation 15 Operating Ambient Tem...

Page 3: ...a 2 TDK Lambda CN A24 Series Instruction Manual Block Diagram Sequence Time Chart Vin Vin CNT V V TRM S S 5V model Only 5V model Only Switching frequency fixed 360kHz...

Page 4: ...tput Terminal CNT ON OFF Control Terminal S Remote Sensing Terminal Vin Input Terminal TRM Output Voltage Trimming Terminal S Remote Sensing Terminal V Output Terminal Base plate can be connected to F...

Page 5: ...for every module Furthermore fuse must be connected to the Vin side if Vin side is used as ground or fuse must be connected to Vin side if Vin side is used as a ground Input Fuse Recommended Current...

Page 6: ...an 20 to reduce ESR 3 Take note of the allowable ripple current of the capacitor to be used Especially when load adding capacitors for abrupt current changes be sure to verify that ripple current does...

Page 7: ...higher 2 1 Allowable maximum output current maximum output power adjusting output voltage Becomes less than maximum output current of specification 2 2 Connect an external resistor Radj up between TRM...

Page 8: ...voltage Note Please connect the amplifier so as not to interfere in internal impedance of the trim circuit when you apply the external voltage For applications other than the above refer to the TRM c...

Page 9: ...he rated output voltage value When output voltage exceed OVP set point output voltage shut down OVP setting value is fixed and therefore cannot be externally adjusted When OVP is triggered output can...

Page 10: ...erminal 3 At L level source current from CNT terminal to Vin terminal is 0 4mA 0 5mA 4 The maximum CNT terminal voltage is 35V 1 Output ON OFF control Fig 11 1 CNT Connection 1 2 Secondary output side...

Page 11: ...en temperature changes can cause condensation buildup and other harmful affects to each terminal solder 18 Storage Ambient Humidity Take enough care when storing the power module because rust which ca...

Page 12: ...put output Capacitor ratio of Input FG C4 C5 and Output FG C6 C7 C4 C5 C6 C7 1 1 3 1 5 Fig 20 4 Example of connecting external application 21 Isolation Resistance Use DC isolation tester MAX 500V betw...

Page 13: ...on pattern will increase because of voltage drop of pattern Relationship between allowable current and pattern width varies depending on materials of printed circuit board thickness of conductor It i...

Page 14: ...110 C for 30 40 seconds 2 Soldering iron 350 C within 3 seconds Note Soldering time changes according to heat capacity of soldering iron pattern on printed circuit board etc Please confirm actual perf...

Page 15: ...s For cases where output voltage adjustment is used is the resistor or volume setting connections correctly done 3 Output voltage is low Is specified input voltage applied Are the remote sensing termi...

Page 16: ...1 CN A24 HAQ 10T 57 9 25 4 36 8 7 5 W 1 at convection cooling 1 For CN A24 1 HAQ 10T Convection cooling Thermal resistance 7 5 W Forced air cooling L C C L 12 R0 5 57 9 1 0 49 7 0 2 36 8 0 3 28 0 0 2...

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