Motore di ricerca datesheet componenti elettronici |
|
UA1538-QM1-T Scheda tecnica(PDF) 7 Page - Unisonic Technologies |
|
UA1538-QM1-T Scheda tecnica(HTML) 7 Page - Unisonic Technologies |
7 / 18 page UA1538 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 7 www.unisonic.com.tw QW-R109-023,B PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Vref OFF Threshold Voltage VrefOFF IN1=IN2=IN3=IN4=1.8V 0.8 V BRAKE1 Brake Current IBRAKE1 Current difference between BRAKE pin "H" time and "L" time. 4 7 10 mA PWM Power Supply Driving PSW Sink Current IPSW IN1=2.1V 10 13 17 mA HVcc Level Shift Voltage VSHIF IN1=1.8V, HVcc-OUT1F 0.35 0.45 0.55 V HVcc Leak Current IHLK HVcc=9.0V, VSYS1=VSYS2=BATT=0V 0 5 μA PWM Amp Transfer Gain GPWM IN1=1.8V, HVcc=1.2 ~ 1.4V 1/60 1/50 1/40 1/kΩ DC-DC Converter Error Amp VSYS1 Threshold Voltage VS1TH 3.05 3.20 3.35 V EO Pin Output Voltage "H" VEOH EI=0.7V, Io=-100µA 1.4 1.6 V EO Pin Output Voltage "L" VEOL EI=1.3V, Io=100µA 0.3 V Short Circuit Protection SPRT Pin Voltage VSPR EI=1.3V 0 0.1 V EO=H SPRT Pin Current1 ISPR1 EI=0.7V 6 10 16 μA OFF=L SPRT Pin Current2 ISPR2 EI=1.3V, OFF=0V 12 20 32 μA SPRT Pin Current3 Over-Voltage ISPR3 EI=1.3V, BATT=9.5V 12 20 32 μA SPRT Pin Impedance RSPR 175 220 265 kΩ SPRT Pin Threshold Voltage VSPTH EI=0.7V, CT=0V 1.10 1.20 1.30 V Over-Voltage Protection Detect VHVPR BSEN Pin Voltage 8.0 8.4 9.0 V Transistor Driving SW Pin Output Voltage1 "H" VSW1H BATT=CT=1.5V, VSYS1=VSYS2=0V, Io=-2mA Starting Time 0.78 0.98 1.13 V SW Pin Output Voltage2 "H" VSW2H CT=0V, Io=-10mA, EI=0.7V, SPRT=0V 1.00 1.50 V SW Pin Output Voltage2 "L" VSW2L CT=2.0V, Io=10mA 0.30 0.45 V SW Pin Oscillating Frequency1 fSW1 CT=470pF, VSYS1=VSYS2=0V Starting Time 65 80 95 kHz SW Pin Oscillating Frequency2 fSW2 CT=470pF, CLK=0V 60 70 82 kHz SW Pin Oscillating Frequency3 fSW3 CT=470pF 88.2 kHz SW Pin Minimum Pulse Width TSWmin CT=470pF, EO=0.5V→0.7V Sweep 0.01 0.60 μs Pulse Duty Start DSW1 CT=470pF,VSYS1=VSYS2=0V 40 50 60 % Max. Pulse Duty At Self-Running DSW2 CT=470pF, EI=0.7V, CLK=0V 70 80 90 % Max. Pulse Duty At CLK Synchronization DSW3 CT=470pF, EI=0.7V 65 75 85 % Interface OFF Pin Threshold Voltage VOFTH EI=1.3V VSYS1- 2.0 V OFF Pin Bias Current IOFF OFF=0V 75 95 115 μA START Pin ON Threshold Voltage VSTATH1 VSYS1=VSYS2=0V, CT=2.0V BATT- 1.0 V START Pin OFF Threshold Voltage VSTATH2 VSYS1=VSYS2=0V, CT=2.0V BATT- 0.3 V START Pin Bias Current ISTART START=0V 10 13 20 16 30 19 μA CLK Pin Threshold Voltage "H" VCLKTHH 2.0 V CLK Pin Threshold Voltage "L" VCLKTHL 0.8 V CLK Pin Bias Current ICLK CLK=3.2V 10 μA |
Codice articolo simile - UA1538-QM1-T |
|
Descrizione simile - UA1538-QM1-T |
|
|
Link URL |
Privacy Policy |
ALLDATASHEETIT.COM |
Lei ha avuto il aiuto da alldatasheet? [ DONATE ] |
Di alldatasheet | Richest di pubblicita | contatti | Privacy Policy | scambio Link | Ricerca produttore All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |