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BD18326NUF-M Folha de dados(PDF) 23 Page - Rohm |
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BD18326NUF-M Folha de dados(HTML) 23 Page - Rohm |
23 / 39 page 23/36 © 2020 ROHM Co., Ltd. All rights reserved. BD18326NUF-M 28.Sep.2020 Rev.001 www.rohm.com TSZ22111 • 15 • 001 TSZ02201-0T1T0B300340-1-2 Electrical Characteristics – continued (Unless otherwise specified Tj = -40 °C to +150 °C, VIN = 13 V) No. Parameter Symbol Limit Unit Conditions Min Typ Max Output Current Setting E-22 Output Current Setting Coefficient KSET 2280 2400 2520 - RSET = 4 kΩ to 10 kΩ Tj = -40 °C to +150 °C 2256 2400 2544 RSET = 10 kΩ to 20 kΩ Tj = 25 °C 2232 2400 2568 Tj = 150 °C 2160 2400 2640 Tj = -40 °C to +150 °C 2160 2400 2640 RSET = 20 kΩ to 24 kΩ Tj = -40 °C to +150 °C E-23 Reference Voltage for Output Current Setting VSET_REF 0.72 0.80 0.88 V VSET E-24 SET Pin Short Circuit Protection Threshold Current ISET_SH 0.24 0.50 1.20 mA E-25 Output Current On Delay Time at Power On tIOUT_ON - 40 100 µs VIN = 0 V→13 V tIOUT_ON = tIOUT (80 %) – tIOUT (@VIN = VUVLOR) RSET = 24 kΩ Thermal De-Rating (THD) E-26 THD Pin Source Current ITHD 193 203 213 μA E-27 Thermal De-Rating Start Voltage VTHDS 0.76 0.80 0.84 V VTHD E-28 Thermal De-Rating Gain GTHD -131.3 -125.0 -118.7 %/V ΔIOUT / ΔVTHD VTHD: 0.667 V→0.333 V VIN = 13 V CR Timer for PWM Dimming E-29 CRT Pin Charge Current ICRT 36 40 44 μA E-30 CRT Pin Charge Voltage VCRT_CHA 0.72 0.80 0.88 V E-31 CRT Pin Discharge Voltage 1 VCRT_DIS1 1.80 2.00 2.20 V E-32 CRT Pin Discharge Voltage 2 VCRT_DIS2 2.10 2.40 3.00 V VCRT > VCRT_DIS2 RD1→RD2 E-33 CRT Pin Charge Resistance RCHA 28.5 30.0 31.5 kΩ E-34 CRT Discharge Constant VCRT_CHA / VCRT_DIS1 0.38 0.40 0.42 V/V E-35 DISC Pin ON Resistance 1 RDISC1 10 25 80 Ω IDISC = 10 mA E-36 DISC Pin ON Resistance 2 RDISC2 2.5 5 10 kΩ IDISC = 100 μA E-37 CRT Pin Leakage Current ICRT_LEAK - - 10 μA VCRT = VIN Over Voltage Mute Function (OVM) E-38 Over Voltage Mute Start Voltage VOVMS 16.0 17.4 18.8 V ΔIOUT = -3 % ΔIOUT = IOUT (@VIN = VOVM) / IOUT (@VIN = 13 V) -1 E-39 Over Voltage Mute Gain GOVM - -20 - %/V ΔIOUT / ΔVIN VTHD > 1.5 V |
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