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AN8037
Switching Controller, Current-mode, 1A, 80kHz Switching Freq-Max, PSIP9, SIP-9
AN8037
Switching Controller, Current-mode, 1A, 80kHz Switching Freq-Max, PSIP9, SIP-9
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Service & Packaging
Service & Packaging
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AN8037 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
■ OverviewThe AN8027 and AN8037 are ICs developed for selfexcited switching regulator of RCC local resonance control type.These ICs are designed to achieve stability and high efficiency over a wide input voltage range and loads range (light loads to heavy loads), for supporting input levels used worldwide and improved conformance with energy conservation laws.■ Features• Support improved conformance with energy conservation laws by providing two operating modes. • Standby mode (light loads): Achieves better efficiency due to reduced frequency . • Normal mode: Achieves high efficiency in RCC local resonance operation with zero-cross detection.• Incorporating an input voltage compensation function available to a wide input range for worldwide use. • This function compensates the maximum on-period in inverse proportion to the input voltage.• Incorporating a timer latch function. • The time period can be adjusted according to the overload in normal mode or standby mode. • This function makes it possible to protect the IC from damage that may be caused by the short-circuiting of the ICs external capacitor for the timer.• Incorporating an overvoltage protection function. (detects at VCC pin)• Incorporating a pulse-by-pulse overcurrent protection function, which makes latch protection possible at the time of the short-circuiting of the transformers primary winding.• Adopting a 9-pin single inline package (E-9S: available to manufacturing in overseas).• AN8027: Transformer resetting is detected from the high- or low-level signal on the TR pin.• AN8037: Transformer resetting is detected from the falling edge of the high-level signal on the TR pin. Refer to the "[1] operation descriptions 7. local resonance operation" section in the application notes.■ Applications• Televisions, VCRs, facsimiles, and printers
Key Features
- Support improved conformance with energy conservation laws by providing two operating modes.
- Standby mode (light loads):
- Achieves better efficiency due to reduced frequency .
- Normal mode:
- Achieves high efficiency in RCC local resonance operation with zero-cross detection.
- Incorporating an input voltage compensation function available to a wide input range for worldwide use.
- This function compensates the maximum on-period in inverse proportion to the input voltage.
- Incorporating a timer latch function.
- The time period can be adjusted according to the overload in normal mode or standby mode.
- This function makes it possible to protect the IC from damage that may be caused by the short-circuiting of the ICs external capacitor for the timer.
- Incorporating an overvoltage protection function. (detects at VCC pin)
- Incorporating a pulse-by-pulse overcurrent protection function, which makes latch protection possible at the time of the short-circuiting of the transformers primary winding.
- Adopting a 9-pin single inline package (E-9S: available to manufacturing in overseas).
- AN8027: Transformer resetting is detected from the high- or low-level signal on the TR pin.
- AN8037: Transformer resetting is detected from the falling edge of the high-level signal on the TR pin.
- Refer to the "[1] operation descriptions 7. local resonance operation" section in the application notes.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Obsolete | Part Package Code | SIP |
| Pin Count ! | 9 | Reach Compliance Code | |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Analog IC - Other Type | SWITCHING CONTROLLER | Control Mode | CURRENT-MODE |
| Control Technique | RESONANT CONTROL | Input Voltage-Min | 9.5 V |
| Input Voltage-Nom | 18 V | JESD-30 Code | R-PSIP-T9 |
| Length | 23.3 mm | Number of Functions | 1 |
| Number of Terminals | 9 | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -30 °C | Output Current-Max | 1 A |
| Package Body Material | PLASTIC/EPOXY | Package Code | SIP |
| Package Equivalence Code | SIP9,.05 | Package Shape | RECTANGULAR |
| Package Style | IN-LINE | Qualification Status ! | Not Qualified |
| Seated Height-Max | 8.95 mm | Surface Mount ! | NO |
| Switcher Configuration | SINGLE | Switching Frequency-Max | 80 kHz |
| Temperature Grade ! | OTHER | Terminal Form ! | THROUGH-HOLE |
| Terminal Pitch ! | 2.54 mm | Terminal Position | SINGLE |
| Width | 3 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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