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APW38HC44AJI-TUL Datasheet(PDF) 4 Page - Anpec Electronics Coropration |
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APW38HC44AJI-TUL Datasheet(HTML) 4 Page - Anpec Electronics Coropration |
4 / 11 page Copyright ANPEC Electronics Corp. Rev. A.7 - Jan., 2003 APW38HC42A/3A/4A/5A www.anpec.com.tw 4 VDD =15V, Note3 ; RT=9.09K Ω; CT=3.3nF; -40oC ≤ TA ≤ 85oC; unless noted APW38HC4XA Symbol Parameter Test Conditions Min. Typ. Max. Unit ERROR AMPLIFIER IFB Input Bias Current VFB=5V 0.1 µA AVOL Open Loop Gain 2 ≤ VO ≤ 4V 60 70 dB BW Unity Gain Bandwidth 0.7 1.0 MHz PSRR 12 ≤ VDD ≤ 18V 60 dB Output Sink Current VFB=2.7V, VCOMP=1.1V 2 7 mA Output Source Current VFB=2.3V, VCOMP=5V -0.5 -1 mA VOH Output Voltage (High) VFB=2.3V, RL=15k to GND 5 5.4 V VOL Output Voltage (Low) VFB=2.7V, RL=15k to VREF 0.01 1.1 V CURRENT SENSE A Gain Notes 1,2 2.85 3.0 3.15 V/V VTHM Maximum Threshold VCOMP=5V, Note 1 0.9 1.0 1.1 V PSRR 12 ≤ VDD ≤ 18V, Note 1 70 dB IISNS Input Bias Current VISNS=5V 0.1 µA TD Delay to Output 120 250 ns OUTPUT RDS(ON) High Sourcing Current = 200mA 6.3 R DS(ON) Low Sinking Current = 200mA 4 Ω tR Rise Time TA=25 °C, CL=1nF 15 30 ns tF Fall Time TA=25 °C, CL=1nF 10 20 ns UNDERVOLTAGE LOCKOUT APW38HC42/4A 13.5 14.5 15.5 VDD(ST) Start Threshold APW38HC43/5A 7.8 8.4 9.0 V APW38HC42/4A 8.0 9.0 10.0 VDD(MIN) Minimum Operating Voltage APW38HC43/5A 7.0 7.6 8.2 V PULSE WIDTH MODULATOR APW38HC42/3A 94 96 DMAX Maximum Duty Cycle APW38HC44/5A 46 50 % DMIN Minimum Duty Cycle 0 % TOTAL STANDBY CURRENT VDD=13V, APW38HC42/4A 30 150 IDD(ST) Start-Up Current VDD=7.5V, APW38HC43/5A 25 150 µA IDD(OP) Operating Supply Current VFB =VISNS= 0V, CL=1nF 2.0 4.0 mA Electrical Characteristics (Cont.) Note 1 : Parameter measured at trip point of latch with VFB=0V. Note 2 : Gain defined as : A = , 0<VTH(ISNS)<0.8V Note 3 : Adjust VDD above the start threshold before setting at 15V. Note 4 : Output frequency equals oscillator frequency for the APW38HC42A and APW38HC43A. Output frequency for APW38HC44A and APW38HC45A equals one half of the oscillator frequency. ∆VCOMP ∆VTH(ISNS) |
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