C2162PX2 Datasheet PDF - Cambridge Semiconductor
| Part Number | C2162PX2 | |
| Description | Primary Sensing SMPS Controller | |
| Manufacturers | Cambridge Semiconductor | |
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C2161PX2 and C2162PX2 Datasheet
Primary Sensing SMPS Controller For Offline Applications
ADVANTAGES
Low cost bipolar primary switch
Tight tolerance CV/CC operation
Low component count
High efficiency (Energy Star 2.0 compliance with margin)
< 30 mW no-load power consumption (Five star rating)
Programmable maximum switching frequency
Programmable output cable compensation up to 10%
C2161PX2
C2162PX2
SOT23-6
FEATURES
Advanced primary sensing controller achieves true CV/CC output characteristic without opto-coupler
Full featured protection for over-temperature, input over-voltage, input under-voltage, output short-circuit
Advanced PFM/PWM control and quasi-resonant switching for increased efficiency
Switching timing jitter spreads RF spectral emissions, eases EMC compliance
SOT23-6 package
APPLICATIONS
Universal input mobile phone and USB chargers.
Universal standby and auxiliary power supplies up to 8 W using C2162PX2 (up to 4 W using C2161PX2).
Figure 1: Typical Application Circuit
Preliminary
© Cambridge Semiconductor Ltd 2009
Page 1
DS-2918-0906
12-Jun-2009
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C2161PX2 and C2162PX2 Datasheet
Primary Sensing SMPS Controller For Offline Applications
Constant Voltage and Constant Current (CV/CC) Operation
The C2161PX2 and C2162PX2 controllers achieve constant voltage and constant current output within tight
limits without the need for any secondary sensing components, by sensing the primary side waveforms of
transformer voltage and primary switch current. Figure 6 shows the output characteristics of a typical phone
charger implemented with the C2161PX2 and C2162PX2.
VOUT
(ICCMIN,VNOM)
100%
50%
30%
IOUT
0
50%
100%
Figure 6: Achievable Charger Output Characteristic Using C2161PX2 and C2162PX2
Preliminary
© Cambridge Semiconductor Ltd 2009
Page 5
DS-2918-0906
12-Jun-2009
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for C2162PX2 electronic component. |
| Information | Total 13 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ C2162PX2.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | Manufacturers |
| C2162PX2 | The function is Primary Sensing SMPS Controller. | Cambridge Semiconductor |
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