TPS65232A0系列介绍资料

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TPS65232A0

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采用 6mm x 6mm QFN 封装的宽输入电压电源管理 IC (PMIC)

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The TPS65232 provides one PWM buck controller, two adjustable, synchronous buck regulators. The SMPS have integrated switching FETs for optimized power efficiency and reduced external component count. All power blocks have thermal and over current/short circuit protection. The TPS65232 startup timing can be controlled through buck enable pins. The buck controller and buck converters have internal pole/zero pairs to help stabilizing the system with minimum external components.

Wide Input Supply Voltage Range
(10.8 V - 22 V)
One Adjustable PWM Buck Controller
- 10.8-V - 22-V Input Voltage Range
- 3.3-V - 6.1-V Output Voltage Range
- 500-kHz Switching Frequency
- Type III Compensation
- Programmable Current Limit
Two Adjustable Step-Down Converter With Integrated Switching FETs:
- 4.75-V - 5.5-V Input
- 0.9-V-3.3-V Output Voltage Range
- 3-A Output Current
- 1-MHz Switching Frequency
- Type III Compensation
Pull-Up Current Sources on Buck Enable Pins for Accurate
Start-Up Timing Control with Preset Default
Over Current Protection on All Rails
Thermal Shutdown to Protect Device During Excessive Power Dissipation
Thermally Enhanced Package for Efficient Heat Management
(48-pin HTSSOP or 6-mm × 6-mm 40-Pin QFN)
APPLICATIONS
- xDSL and Cable Modems
- Wireless Access Points
- STB, DTV, DVD and Home Gateway

Vin (min) (V)	10.8
Vin (max) (V)	22
Vout (min) (V)	3.3
Vout (max) (V)	6.1
Iout (max) (A)	3
Features	Adjustable current limit, Enable, Over Current Protection, Soft Start Adjustable
Operating temperature range (°C)	0 to 85
Rating	Catalog
Control mode	Voltage mode
Duty cycle (max) (%)	80
Type	Converter

VQFN (RHA)

36 mm² 6 x 6

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TPS65232A0

采用 6mm x 6mm QFN 封装的宽输入电压电源管理 IC (PMIC)

4000-306-326