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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC3552-1 датащи(PDF) 2 Page - Linear Technology |
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LTC3552-1 датащи(HTML) 2 Page - Linear Technology |
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2 / 20 page  LTC3552-1 2 35521fa Input Supply Voltage (VIN)......................... –0.3V to 10V PROG, ITERM .................................. –0.3V to VIN + 0.3V BAT .............................................................. –0.3V to 7V CHRG, PWR, EN ....................................... –0.3V to 10V BAT Short-Circuit Duration............................ Continuous BAT Pin Current ..........................................................1A PROG Pin Current ....................................................1mA VCC Supply Voltage ...................................... –0.3V to 6V VOUT1, VOUT2, RUN1, RUN2 Voltages .............................–0.3V to VCC +0.3V VFB1, VFB2 ........................................–0.3V to VCC + 0.3V SW1, SW2 Voltage...........................–0.3V to VCC + 0.3V Ambient Operating Temperature Range (Note 2) .................................... –40°C to 85°C Maximum Junction Temperature (Note 8) ............ 125°C Storage Temperature Range................... –65°C to 125°C (Note 1) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 5V, VCC = 3.6V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Battery Charger VIN Input Supply Voltage ● 4.25 8 V IIN Input Supply Current Charge Mode (Note 4) Standby Mode Shutdown Mode RPROG = 10k Charge Terminated EN = 5V, VIN < VBAT or VIN < VUV ● ● ● 0.4 200 25 1 500 50 mA µA µA VFLOAT Regulated Output (Float) Voltage 0°C ≤ TA ≤ 85°C, 4.3V < VIN < 8V 4.158 4.2 4.242 µA IBAT BAT Pin Current RPROG = 10k, Current Mode RPROG = 2k, Current Mode Standby Mode, VBAT = 4.2V Shutdown Mode (EN = 5V, VIN < VBAT or VIN < VUV) Sleep Mode, VIN = 0V ● ● ● 92 465 100 500 –2.5 ±1 ±1 105 535 –6 ±2 ±2 mA mA µA µA µA VUV VIN Undervoltage Lockout Voltage From VIN Low to High ● 3.7 3.8 3.92 V VUVHYS VIN Undervoltage Lockout Hysteresis ● 150 200 300 mV VEN(IL) EN Pin Input Low Voltage ● 0.4 0.7 V VEN(IH) EN Pin Input High Voltage ● 0.7 1 V REN EN Pin Pull-Down Resistor ● 1.2 2 5 ΜΩ VASD VIN – VBAT Lockout Threshold Voltage VIN from Low to High VIN from High to Low 70 5 100 30 140 50 mV mV ITERM Charge Termination Current Threshold RTERM = 1k RTERM = 5k ● ● 90 17.5 100 20 110 22.5 mA mA ELECTRICAL CHARACTERISTICS ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO 16 15 14 13 12 11 10 9 17 1 2 3 4 5 6 7 8 EN PWR VIN PROG SW1 VCC VOUT1 VFB1 ITERM BAT CHRG RUN2 SW2 RUN1 VOUT2 VFB2 TOP VIEW DHC PACKAGE 16-LEAD (5mm × 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 40°C/W (Note 3) EXPOSED PAD IS GROUND (PIN 17) MUST BE SOLDERED TO PCB ORDER PART NUMBER DHC PART MARKING LTC3552EDHC-1 35521 Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. |
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