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SI-8000JF_10

SI-8000JF_10

  • 厂商:

    SANKEN(三垦)

  • 封装:

  • 描述:

    SI-8000JF_10 - Full-Mold, Separate Excitation Step-down Switching Mode Regulator ICs - Sanken electr...

  • 数据手册
  • 价格&库存
SI-8000JF_10 数据手册
1-1-2 Switching Mode Regulator ICs SI-8000JF Series Full-Mold, Separate Excitation Step-down Switching Mode Regulator ICs ■Features • Compact full-mold package (equivalent to TO220) • Output current: 1.5A • High efficiency: 67 to 88% • Requires only 4 discrete components • Internally-adjusted phase correction and output voltage • Capable of downsize a choke-coil due to IC's high switching frequency (125kHz). (Compared with conventional Sanken devices) • Built-in foldback-overcurrent and thermal protection circuits • Output ON/OFF available (circuit current at output OFF: 200µA max.) • Soft start available by ON/OFF pin ■Lineup Part Number VO (V)* IO (A) SI-8015JF 1.59 SI-8033JF 3.3 1.5 SI-8050JF 5.0 SI-8120JF 12.0 * VREF(V) for SI-8015JF ■Absolute Maximum Ratings Parameter DC Input Voltage Power Dissipation Junction Temperature Storage Temperature Thermal Resistance (Junction to Case) Symbol VIN PD1 PD2 Tj Tstg Ratings 43 16.6 (with infinite heatsink) 1.5 (without heatsink, standalone operation) +125 –40 to +125 6.0 Unit V W W °C °C °C/W θ j-c ■Applications • Power supplies for telecommunication equipment • Onboard local power supplies ■Recommended Operating Conditions Ratings Parameter DC Input Voltage Range Output Current Range Operating Junction Temperature Range Symbol VIN1 VIN2 IO Tjop SI-8015JF* VO+2 to 40 VO+3 to 40 SI-8033JF 5.3 to 40 6.3 to 40 0 to 1.5 –30 to +125 SI-8050JF 7 to 40 8 to 40 SI-8120JF 14 to 40 15 to 40 Unit V V A °C Conditions IO=0 to 1A IO=0 to 1.5A VIN≥VO+3V * SI-8015JF is a variable output voltage type. The variable output voltage range is from 2.5 V to 24 V. ■Electrical Characteristics Ratings Parameter Symbol min. Output Voltage*1 Efficiency Oscillation Frequency Line Regulation Load Regulation Temperature Coefficient of Output Voltage*3 Overcurrent Protection Starting Current ON/OFF*5 Terminal Low Level Voltage Outflow Current at Low Voltage VO*2 Conditions 1.558 SI-8015JF typ. 1.59 67 VIN=12V, IO=0.5A 125 VIN=12V, IO=0.5A 25 10 ±0.5 1.6 VIN=12V 0.5 100 VSSL=0V 7 VIN=12V, IO=0A 200 VIN=12V, VON/OFF=0.3V VSSL=0V 7 VIN=15V, IO=0A 200 VIN=15V, VON/OFF=0.3V 1.6 VIN=15V 0.5 100 VSSL=0V 7 VIN=20V, IO=0A 200 VIN=20V, VON/OFF=0.3V 80 30 VIN=8 to 30V, IO=0.5A VIN=12V, IO=0.2 to 0.8A max. 1.622 min. 3.234 SI-8033JF typ. 3.30 77 VIN=15V, IO=0.5A 125 VIN=15V, IO=0.5A 25 10 ± 0.5 1.6 VIN=20V 0.5 100 VSSL=0V 7 VIN=24V, IO=0A 200 VIN=24V, VON/OFF=0.3V mA 80 30 VIN=8 to 30V, IO=1.0A VIN=15V, IO=0.5 to 1.5A max. 3.366 min. 4.90 SI-8050JF typ. 5.00 82 VIN=20V, IO=0.5A 125 VIN=20V, IO=0.5A 40 10 ± 0.5 1.6 VIN=24V 0.5 100 A V 100 40 VIN=10 to 30V, IO=1.0A VIN=20V, IO=0.5 to 1.5A max. 5.10 min. 11.76 SI-8120JF typ. 12.00 88 VIN=24V, IO=0.5A 125 VIN=24V, IO=0.5A 60 10 ± 1.0 130 mV mV mV/ °C 40 VIN=18 to 30V, IO=1.0A VIN=24V, IO=0.5 to 1.5A kHZ % max. 12.24 V Unit (Ta=25°C) VIN=12V, IO=0.5A VIN=15V, IO=0.5A VIN=20V, IO=0.5A VIN=24V, IO=0.5A η Conditions f Conditions ∆VOLINE Conditions ∆VOLOAD Conditions ∆VO/∆Ta*4 IS1 Conditions VSSL ISSL Conditions Iq Conditions Iq(OFF) Conditions µA Quiescent Circuit Current µA *1: Reference voltage for SI-8015JF *2: VREF for SI-8015JF *3: Temperature Coefficient of Reference Voltage for SI-8015JF *4: ∆VREF/∆Ta for SI-8015JF *5: Pin 5 is the ON/OFF pin. Soft start at power on can be performed with a capacitor connected to this pin. The output can also be turned ON/OFF with this pin. The output is stopped by setting the voltage of this pin to VSSL or lower. ON/OFF-pin voltage can be changed with an open-collector drive circuit of a transistor. When using both the soft-start and ON/OFF functions together, the discharge current from C3 flows into the ON/OFF control transistor. Therefore, limit the current securely to protect the transistor if C3 capacitance is large. The ON/OFF pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited. If this pin is not used, leave it open. SI-8000JF SI-8000JF SI-8000JF 5 ON/OFF 5 ON/OFF C3 5 ON/OFF C3 VOUT. ON/OFF Soft start Soft start +VOUT. ON/OFF 56 ICs SI-8000JF Series ■External Dimensions (TO220F-5) 10.0 ±0.2 (Unit : mm) 4.2±0.2 ±0.2 2.8 0.5 4.0±0.2 7.9±0.2 16.9±0.3 φ 3.2±0.2 (17.9) 2.6±0.1 (2.0) 0.95 ±0.15 +0.2 0.85 –0.1 0.45 –0.1 P1.7±0.7×4=6.8±0.7 +0.2 (8.0) Pin Assignment q VIN w SWOUT e GND r VOS t ON/OFF Plastic Mold Package Type Flammability: UL94V-0 Product Mass: Approx. 2.3g 3.9±0.7 (4.6) (4.3) 8.2±0.7 12345 Forming No.1101 ■Block Diagram SI-8015JF 8033JF, 8050JF, 8120JF 1 VIN PReg. OCP SW OUT 2 1 VIN PReg. OCP SW OUT 2 5 ON/OFF ON/OFF Soft Start Reset OSC + – 5 ON/OFF Latch& Drive ON/OFF Soft Start VREF Comp. Error Amp. + – Reset OSC + – Latch& Drive TSD 4 Comp. Error Amp. + – TSD 4 VREF GND 3 GND 3 VREF ■Typical Connection Diagram SI-8015JF L1 VIN 1 VIN SW 2 C4 + R2 Di REF 470µF VOUT R1 8033JF, 8050JF, 8120JF L1 VIN 1 VIN SW 2 4 + Di VOUT SI-8015JF 220µF + VREF ON/OFF GND 5 3 4 SI-8000JF C1 + ON/OFF GND 5 3 C3 VS C2 GND GND GND GND IREF shall be approx. 2mA. C1 : C2 : C3 : C4 : L1 : Di : 50V/220µF 25V/470µF 10V/0.47µF (Only when using soft-start function) 6800pF VREF × (R1+R2) 100µH VOUT= RK16 (Sanken) R2 C1 C2 C3 L1 Di : : : : : 50V/220µF 25V/470µF 10V/0.47µF (Only when using soft-start function) 100µH RK16 (Sanken) IREF ICs 57
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