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TEA1532

Features: Distinctive features· Universal mains supply operation (70 V to 276 V AC)· High level of integration, resulting in a very low external component count· Fixed frequency Continuous Conduction Mode (CCM) operation capability· Quasi-Resonant (QR) Discontinuous Conduction Mode (DCM) operation...

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SeekIC No. : 004517292 Detail

TEA1532: Features: Distinctive features· Universal mains supply operation (70 V to 276 V AC)· High level of integration, resulting in a very low external component count· Fixed frequency Continuous Conductio...

TEA1532 Data Sheet

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Part Number:
TEA1532
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/12

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Product Details

Description



Features:

Distinctive features
· Universal mains supply operation (70 V to 276 V AC)
· High level of integration, resulting in a very low external component count
· Fixed frequency Continuous Conduction Mode (CCM) operation capability
· Quasi-Resonant (QR) Discontinuous Conduction Mode (DCM) operation capability.
Green features
· Valley or zero voltage switching for minimum switching losses in QR operation
· Cycle skipping mode at very low loads; input power <300 mW at no-load operation for a typical adapter application
· On-chip start-up current source.
Protection features
· Safe restart mode for system fault conditions
· Zero current switch-on in QR mode
· Undervoltage protection (foldback during overload)
· IC overtemperature protection (latched)
· Low and adjustable overcurrent protection trip level
· Soft (re)start
· Mains voltage-dependent operation-enabling level
· General purpose input for latched or safe restart protection and timing, e.g. to be used for overvoltage protection (OVP), output short-circuit protection or system
   vertemperature protection
· Brown-out protection.


Application

· Printer adapters and chargers. The device can also be used in all applications that demand an efficient and cost-effective solution up to 250 W.


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
Voltages
VCC
supply voltage
continuous
-0.4
+20
V
VPROTECT
voltage on pin PROTECT
continuous
-0.4
+5
V
VCTRL
voltage on pin CTRL
-0.4
+5
V
VDEM
voltage on pin DEM
current limited
-0
+5
V
Vsense
voltage on pin SENSE
current limited
-0.4
-
V
VDRAIN
voltage on pin DRAIN
-0.4
+650
V
Currents
ICTRL
 current on pin CTRL
d < 10 %
-
50
mA
IDEM
 current on pin DEM
-1000
+250
mA
Isense
 current on pin Isense
-1
+10
mA
IDRIVER
 current on pin DRIVER
d < 10 %
-0.8
+2
A
IDRAIN
 current on pin DRAIN
-
5
mA
General
Ptot
 total power dissipation
Tamb < 70 °C
SO8 package - 0.5 W
DIP8 package - 0.75 W
-
0.5
W
-
0.75
W
Tstg
 storage temperature
-55
+150
°C
Tj
 operating junction temperature
-20
+145
°C
[1] Equivalent to discharging a 100 pF capacitor through a 1.5 k series resistor.
[2] Equivalent to discharging a 200 pF capacitor through a 0.75 H coil and a 10 resistor.


Description

The TEA1532 GreenChip™II is the second generation of green Switched Mode Power Supply (SMPS) controller ICs. Its high level of integration allows the design of a cost effective power supply with a very low number of external components.

The TEA1532 can also be used in fixed frequency, Continuous Conduction Mode (CCM) converter designs for low voltage, high current applications. At low power (standby) levels, the system operates in cycle skipping mode which minimizes the switching losses during standby.

The TEA1532 special built-in green functions allow the efficiency to be optimum at all power levels. This holds for quasi-resonant operation at high power levels, as well as fixed frequency operation with valley switching at medium power levels. At low power (standby) levels, the system operates in cycle skipping mode with valley detection.

The proprietary high voltage BCD800 process makes direct start-up possible from the rectified universal mains voltage in an effective and green way. A second low voltage BICMOS IC is used for accurate, high speed protection functions and control.

The TEA1532 enables highly efficient and reliable supplies to be designed easily.




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