Datasheet LTC4123 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Low Power Wireless Charger for Hearing Aids |
| Seiten / Seite | 18 / 2 — absoluTe MaxiMuM raTings. pin conFiguraTion. (Notes 1, 3). orDer … |
| Dateiformat / Größe | PDF / 1.1 Mb |
| Dokumentensprache | Englisch |
absoluTe MaxiMuM raTings. pin conFiguraTion. (Notes 1, 3). orDer inForMaTion http://www.linear.com/product/LTC4123#orderinfo
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LTC4123
absoluTe MaxiMuM raTings pin conFiguraTion (Notes 1, 3)
Input Supply Voltages V TOP VIEW CC.. –0.3V to 5.5V ACIN .. –10V to VCC+1V ACIN 1 6 GND Input Supply Currents V 7 CC 2 5 BAT GND I(ACIN) .. 200mA CHRG 3 4 PROG BAT ... –2V to 2V PROG, CHRG... –0.3V to V DC PACKAGE CC+0.3V 6-LEAD (2mm × 2mm) PLASTIC DFN Operating Junction Temperature Range TJMAX = 85°C, θJA = 80.6°C/W (Note 2) ..–20 to 85°C EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB Storage Temperature Range ..–65 to 150°C
orDer inForMaTion http://www.linear.com/product/LTC4123#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4123EDC#PBF LTC4123EDC#TRPBF LGSY 6-Lead (2mm × 2mm) Plastic DFN –20°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
elecTrical characTerisTics The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C. VACIN = 0V, VCC = 5V unless otherwise noted (Notes 2, 3, 4). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Input Supply Operating Range l 2.2 5 V IVCC Input Quiescent Operating Current Charging Terminated. IBAT and IPROG = 0A l 125 200 µA VUVLO Input Supply Undervoltage Lockout Threshold VCC Rising 1.88 1.95 2.02 V Hysteresis 40 mV VBAT Battery Charge Voltage TA = 25°C 1.4955 1.5075 1.5195 V TA = –10°C (Note 4) 1.580 1.595 1.610 V TA = 75°C (Note 4) 1.3675 1.3825 1.3975 V IBAT(LEAK) Battery Pin Discharge Current Charger Terminated or VCC < VUVLO, VBAT = 2V 100 nA VPROG PROG Pin Servo Voltage 0.25 V hPROG Ratio of BAT Current to PROG Current 96 mA/mA ICHG Constant-Current Mode Charge Current RPROG = 23.7kΩ l 0.73 1 1.27 mA RPROG = 953Ω l 22 25 28 mA VUVCL Undervoltage Current Limit RPROG = 4.99kΩ 2.2 V TCHG Charge Termination Period 4.8 6 7.2 Hours 4123fa 2 For more information www.linear.com/LTC4123
absoluTe MaxiMuM raTings pin conFiguraTion (Notes 1, 3)
Input Supply Voltages V TOP VIEW CC.. –0.3V to 5.5V ACIN .. –10V to VCC+1V ACIN 1 6 GND Input Supply Currents V 7 CC 2 5 BAT GND I(ACIN) .. 200mA CHRG 3 4 PROG BAT ... –2V to 2V PROG, CHRG... –0.3V to V DC PACKAGE CC+0.3V 6-LEAD (2mm × 2mm) PLASTIC DFN Operating Junction Temperature Range TJMAX = 85°C, θJA = 80.6°C/W (Note 2) ..–20 to 85°C EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB Storage Temperature Range ..–65 to 150°C
orDer inForMaTion http://www.linear.com/product/LTC4123#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4123EDC#PBF LTC4123EDC#TRPBF LGSY 6-Lead (2mm × 2mm) Plastic DFN –20°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
elecTrical characTerisTics The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C. VACIN = 0V, VCC = 5V unless otherwise noted (Notes 2, 3, 4). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Input Supply Operating Range l 2.2 5 V IVCC Input Quiescent Operating Current Charging Terminated. IBAT and IPROG = 0A l 125 200 µA VUVLO Input Supply Undervoltage Lockout Threshold VCC Rising 1.88 1.95 2.02 V Hysteresis 40 mV VBAT Battery Charge Voltage TA = 25°C 1.4955 1.5075 1.5195 V TA = –10°C (Note 4) 1.580 1.595 1.610 V TA = 75°C (Note 4) 1.3675 1.3825 1.3975 V IBAT(LEAK) Battery Pin Discharge Current Charger Terminated or VCC < VUVLO, VBAT = 2V 100 nA VPROG PROG Pin Servo Voltage 0.25 V hPROG Ratio of BAT Current to PROG Current 96 mA/mA ICHG Constant-Current Mode Charge Current RPROG = 23.7kΩ l 0.73 1 1.27 mA RPROG = 953Ω l 22 25 28 mA VUVCL Undervoltage Current Limit RPROG = 4.99kΩ 2.2 V TCHG Charge Termination Period 4.8 6 7.2 Hours 4123fa 2 For more information www.linear.com/LTC4123