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HA17384SRP Datasheet(PDF) 7 Page - Renesas Technology Corp |
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HA17384SRP Datasheet(HTML) 7 Page - Renesas Technology Corp |
7 / 29 page HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP Rev.3.00 Jun 15, 2005 page 7 of 28 Electrical Characteristics (The condition is: Ta = 25°C, VIN = 15 V, CT = 3300 pF, RT = 10 k Ω without notice) • Reference Part Item Symbol Min Typ Max Unit Test Condition Note Reference output voltage Vref 4.9 5.0 5.1 V Io = 1 mA Line regulation Regline – 20 50 mV 12 V ≤ VIN ≤ 25 V Load regulation Regload – 10 25 mV –1 mA ≥ Io ≥ –20 mA Output short current los –30 –100 –180 mA Vref = 0V Temperature stability ∆Vref – 80 – ppm/ °C Io = –1 mA, –20°C ≤ Ta ≤ 105°C 1 Output noise voltage VN – 100 – µV 10 Hz ≤ fnoise ≤ 10 kHz 1 Note: 1. Reference value for design. • Triangular Wave Oscillator Part Item Symbol Min Typ Max Unit Test Condition Note Typical oscillating frequency fosc Typ 47 52 57 kHz CT = 3300 pF, RT = 10 k Ω Maximum oscillating frequency fosc Max 500 – – kHz Supply voltage dependency of oscillating frequency ∆fosc 1 – ±0.5 ±2.0 % 12 V ≤ VIN ≤ 25 V Temperature dependency of oscillating frequency ∆fosc 2 – ±5.0 – % –20°C ≤ Ta ≤ 105°C 1 Discharge current of CT IsinkCT 7.5 8.4 9.3 mA VCT = 2.0 V Low level threshold voltage VTLCT – 1.2 – V 1 High level threshold voltage VTHCT – 2.8 – V 1 Triangular wave amplitude ∆VCT – 1.6 – V ∆VCT = VTHCT – VTLCT 1 Note: 1. Reference value for design. (The condition is: Ta = 25 °C, VIN = 15 V, CT = 3300 pF, RT = 10 kΩ without notice) • Error Amplifire Part / OVP Part Item Symbol Min Typ Max Unit Test Condition Note Non-inverting input voltage VFB 2.42 2.50 2.58 V VCOMP = 2.5 V Input bias current IIB – –0.2 –2.0 µA VFB = 5.0 V Open loop voltage gain AVOL 65 90 – dB 2.0 V ≤ VO ≤ 4.0 V Unity gain bank width BW 0.7 1.0 – MHz Power supply voltage rejection ratio PSRR 60 70 – dB 12 V ≤ VIN ≤ 25 V Output sink current IOsink EA 3.0 9.0 – mA VFB = 2.7 V, VCOMP = 1.1 V Output source current IOsource EA –0.5 –0.8 – mA VFB = 2.3 V, VCOMP = 5.0 V High level output voltage VOH EA 5.5 6.5 7.5 V VFB = 2.3 V, RL = 15 k Ω(GND) Low level output voltage VOL EA – 0.7 1.1 V VFB = 2.7 V, RL = 15 k Ω(Vref) OVP latch threshold voltage VOVP 6.0 7.0 8.0 V Increase FB terminal voltage 1 OVP (FB) terminal input current IFB(OVP) – 30 50 µA VFB = 8.0 V 1 OVP latch reset VIN voltage VIN(OVP RES) 6.0 7.0 8.0 V Decreasing VIN after OVP latched 1 Note: 1. These values are not prescribe to the HA17384SPS/SRP because OVP function is not included. |
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