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AC/DC & DC/DC converters (integrated FET)

TPS65530

現行

適用數味相機的完全整合式 8 通道 DC/DC 轉換器

立即訂購
產品規格表

TPS65530

現行
產品規格表 立即訂購

產品詳細資料

Iout (max) (A) 10 Vin (min) (V) 1.5 Vin (max) (V) 5.5 Topology Buck Switching frequency (max) (kHz) 800 Features Power sequencing Vout (min) (V) -10 Vout (max) (V) 20 Rating Catalog Operating temperature range (°C) -25 to 85 Iq (typ) (A) 0.000001
Iout (max) (A) 10 Vin (min) (V) 1.5 Vin (max) (V) 5.5 Topology Buck Switching frequency (max) (kHz) 800 Features Power sequencing Vout (min) (V) -10 Vout (max) (V) 20 Rating Catalog Operating temperature range (°C) -25 to 85 Iq (typ) (A) 0.000001
VQFN (RSL) 48 36 mm² 6 x 6
  • 8-Channel DC/DC Converters and LDO
  • Integrated Power MOSFET Switch Except CH8
    • Boost (CH5/7)
    • Buck (CH1/3)
    • Buck-Boost (CH2/4)
    • Invert (CH6)
  • Low-Power Suspend Mode (Sleep Mode)
  • Power ON/OFF Sequence (CH1/2/3 and CH5/6)
  • LED-Back Light Brightness Control (CH7)
  • Fixed Switching Frequency (CH1–4: 1.5 MHz, CH5–8: 750 kHz)
  • Fixed Max Duty Cycle Internally
  • Soft Start
  • Undervoltage Lockout (UVLO)
  • Protection
    • Thermal Shutdown (TSD)
    • Overvoltage Protection (OVP)
    • Overcurrent Protection (OCP) Except CH8
  • Supply Voltage Range: 1.5 V to 5.5 V
  • Operating Temperature Range: –25°C to 85°C
  • 6 × 6 mm, 0.4-mm Pitch, 48-Pin QFN Package
  • APPLICATIONS
    • Digital Still Cameras (DSCs)
    • Portable Electronics Equipment

PowerPAD is a trademark of Texas Instruments.
  • 8-Channel DC/DC Converters and LDO
  • Integrated Power MOSFET Switch Except CH8
    • Boost (CH5/7)
    • Buck (CH1/3)
    • Buck-Boost (CH2/4)
    • Invert (CH6)
  • Low-Power Suspend Mode (Sleep Mode)
  • Power ON/OFF Sequence (CH1/2/3 and CH5/6)
  • LED-Back Light Brightness Control (CH7)
  • Fixed Switching Frequency (CH1–4: 1.5 MHz, CH5–8: 750 kHz)
  • Fixed Max Duty Cycle Internally
  • Soft Start
  • Undervoltage Lockout (UVLO)
  • Protection
    • Thermal Shutdown (TSD)
    • Overvoltage Protection (OVP)
    • Overcurrent Protection (OCP) Except CH8
  • Supply Voltage Range: 1.5 V to 5.5 V
  • Operating Temperature Range: –25°C to 85°C
  • 6 × 6 mm, 0.4-mm Pitch, 48-Pin QFN Package
  • APPLICATIONS
    • Digital Still Cameras (DSCs)
    • Portable Electronics Equipment

PowerPAD is a trademark of Texas Instruments.

The TPS65530 is highly integrated 8-channel switching dc/dc converter, and seven channels have integrated power FET.

CH2/4 are configured for H bridge for buck-boost topology and single inductor supports. These channels achieve higher efficiency in spite of input/output voltage conditions.

CH7 has a brightness control and drives white LED by constant current. Also, CH7 supports overvoltage protection for open load.

CH1/2/3 has power ON/OFF sequence suitable for a digital still camera (DSC) system. CH5/6 has a power ON/OFF sequence, depending on the CCD. Power ON/OFF for CCD block (CH5/6) is selectable by the input voltage level at the SEQ56 pin. CH4 and CH7 have individual ON/OFF sequences.

The TPS65530 high switching frequency is achieved by an integrated power MOSFET switch. It reduces external parts dynamically. Shutdown current consumption is less than 1 µA as a typical value.

The TPS65530 is highly integrated 8-channel switching dc/dc converter, and seven channels have integrated power FET.

CH2/4 are configured for H bridge for buck-boost topology and single inductor supports. These channels achieve higher efficiency in spite of input/output voltage conditions.

CH7 has a brightness control and drives white LED by constant current. Also, CH7 supports overvoltage protection for open load.

CH1/2/3 has power ON/OFF sequence suitable for a digital still camera (DSC) system. CH5/6 has a power ON/OFF sequence, depending on the CCD. Power ON/OFF for CCD block (CH5/6) is selectable by the input voltage level at the SEQ56 pin. CH4 and CH7 have individual ON/OFF sequences.

The TPS65530 high switching frequency is achieved by an integrated power MOSFET switch. It reduces external parts dynamically. Shutdown current consumption is less than 1 µA as a typical value.
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* Data sheet Fully Integrated 8-Channel DC/DC Converter for Digital Still Cameras datasheet (Rev. C) 2008年 4月 25日

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