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U3525L-S16-R Datasheet(PDF) 5 Page - Unisonic Technologies |
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U3525L-S16-R Datasheet(HTML) 5 Page - Unisonic Technologies |
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5 / 9 page  U3525 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 5 of 9 www.unisonic.com.tw QW-R103-032,A ELECTRICAL CHARACTERISTICS(Cont.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT ERROR AMPLIFIER SECTION (VCM = 5.1 V) Output Low Level 0.2 0.5 V Output High Level 3.8 5.6 V Input Offset Voltage VOS 2 10 mV Input Bias Current Ib 1 10 µA Input Offset Current Ios 1 µA Comm. Mode Reject. CMR VCM = 1.5 ~ 5.2 V 60 75 dB Supply Voltage Rejection PSR VIN = 8 ~ 35 V 50 60 dB DC Open Loop Gain RL ≥10 MΩ 60 75 dB DC Transconduct. (Note 1, 3) 30 KΩ ≤RL≤1 MΩ, TJ = 25℃ 1.1 1.5 ms Gain Bandwidth Product (Note 1) Gv = 0 dB, TJ = 25℃ 1 2 MHz PWM COMPARATOR Zero Duty-cycle 0.7 0.9 V Input Threshold (Note 2) Maximum Duty-cycle 3.3 3.6 V Input Bias Current (Note 1) 0.05 1 µA Minimum Duty-cycle 0 % Maximum Duty-cycle (Note 2) 45 49 % SHUTDOWN SECTION Soft Start Low Level VSD = 2.5 V 0.4 0.7 V Shutdown Threshold To outputs, VSS = 5.1 V, TJ = 25℃ 0.6 0.8 1 V Shutdown Input Current VSD = 2.5 V 0.4 1 mA Soft Start Current VSD = 0 V, VSS = 0 V 25 50 80 µA Shutdown Delay (Note 1) VSD = 2.5 V, TJ = 25℃ 0.2 0.5 µs OUTPUT DRIVERS (each output) (VC = 20 V) ISINK = 20 mA 0.2 0.4 V Output Low Level ISINK = 100 mA 1 2 V ISOURCE = 20 mA 18 19 V Output High Level ISOURCE = 100 mA 17 18 V Under-Voltage Lockout VCOMP and VSS = High 6 7 8 V Collector Leakage IC VC = 35 V 200 µA Rise Time (Note 1) tR CL = 1 nF, TJ = 25 °C 100 600 ns Fall Time (Note 1) tF CL = 1 nF, TJ = 25 °C 50 300 ns TOTAL STANDBY CURRENT Supply Current IS VIN = 35 V 14 20 mA Note:1.The parameters are not 100% tested in production. 2.Tested at fosc=40 KHz (RT=3.6 KΩ, CT=10nF, RD=0 Ω). Approximate oscillator frequency is defined by : f = 1 CT(0.7RT + 3RD) 3.DC transconductance (gM) relates to DC open-loop voltage gain (GV) according to the following equation: GV=gM RL where RL is the resistance from pin 9 to ground. The minimum gM specification is used to calculate minimum GV when the error amplifier output is loaded. |
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