Datasheet > OM1577-ASCM

OM1577-ASCM

更新时间： 2024-11-06 21:16:59

品牌	Logo	应用领域
英飞凌 - INFINEON		局域网开关
页数	文件大小	规格书
4页	34K
描述
Switching Regulator, Voltage-mode, 6A, 62kHz Switching Freq-Max, MSFM5, METAL, C5 PACK-5

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OM1577-ASCM 数据手册

OM1577 Series

STEP-UP SWITCHING VOLTAGE REGULATOR IN

HERMETIC ISOLATED PACKAGE

1 Amp, 12 V, 15 V And Adjustable Output

Voltage Versions In MO-078 Metal Package

FEATURES

•

Similar To Industry Standard LM1577 Series

Available in 12V, 15V And Adjustable Output Voltage Versions

Hermetic Isolated Packages

Requires Few External Components

Protection Features Current And Thermal Limitations

Hi-Rel Screened

DESCRIPTION

These devices are monolithic integrated circuits that provide all of the power and control

functions for step-up (boost), flyback and converter switching regulators. They are simple to

use and cost effective as they only require a small number of external components for

implementation. The chip incorporates a 3.0 Amp NPN switch and associated protection

circuitry featuring current and thermal limitations and under voltage lockout.

ABSOLUTE MAXIMUM RATINGS (See note 1)

Input Voltage, V_IN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 V

Output Switch Voltage, V_SWITCH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 V

Output Switch Current, I_SWITCH(See note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0 A

Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65°C to + 150°C

Junction Temperature, T_J. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C

Lead Soldering Temperature, (10 seconds). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C

Power Dissipation, P_D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited

Thermal Resistance:

Junction-to-Case, q_JC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0°C/W Typically

Junction-to-Ambient, q_JA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C/W

3.3

RECOMMENDED OPERATING CONDITIONS

Input Voltage Range, V_IN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5 to 40 V

Ambient Operating Temperature Range, T_A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to + 125°C

Output Switch Voltage Range, V_SWITCH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 60 V

Output Switch Current, I_SWITCH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 A

Notes:

1. Stresses above the absolute maximum rating may cause damage to the device. Extended operation

at the maximum levels may degrade performance and affect reliability.

2. Output current cannot be internally limited when the device is used as a step-up regulator. To

prevent damage to the switch, the current must be externally limited to 6.0 A. However, output

current is internally limited when the device is used as a flyback or forward converter regulator.

3.3 - 43

4 11 R0

12 3 4

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