LTC4076EDD#TR Linear Technology, LTC4076EDD#TR Datasheet
LTC4076EDD#TR
Specifications of LTC4076EDD#TR
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LTC4076EDD#TR Summary of contents
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... USB power and high power/low power mode (C/5) for USB compatible applications. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. *Protected by U.S. patents, including 6522118 Complete Charge Cycle (1100mAh Battery) ...
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LTC4076 ABSOLUTE AXI U RATI (Notes 1, 7) Input Supply Voltage (DCIN, USBIN) ......... –0.3V to 10V E C H R P W ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER I Trickle Charge Current TRIKL V Trickle Charge Threshold Voltage TRIKL V DCIN Undervoltage Lockout Voltage UVDC V USBIN Undervoltage Lockout Voltage UVUSB V V – V Lockout Threshold ...
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LTC4076 TYPICAL PERFOR A CE CHARACTERISTICS W U Regulated Output (Float) Voltage vs Charge Current 4. DCIN USBIN 4.24 4.22 4.20 4.18 4. 1.25k IDC IDC IUSB 4.14 ...
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TYPICAL PERFOR A CE CHARACTERISTICS W U C H R G Pin I-V Curve DCIN USBIN T = –40° 25° 90°C A ...
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LTC4076 TYPICAL PERFOR A CE CHARACTERISTICS W U USBIN Shutdown Current vs Temperature USBIN USBIN 4.3V USBIN –50 –25 ...
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PI FU CTIO USBIN (Pin 1): USB Input Supply Pin. Provides power to the battery charger. The maximum supply current is 650mA. This pin should be bypassed with a 1µF capacitor. IUSB (Pin 2): Charge Current ...
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LTC4076 BLOCK DIAGRA W DCIN 10 HPWR 7 R HPWR 10mA MAX 4 PWR 10mA MAX CHRG 5 RECHARGE LOGIC RECHRG TRICKLE TERM TERMINATION 8 CC/CV REGULATOR + DC – 4.15V SOFT-START DCIN UVLO + – ...
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OPERATIO U The LTC4076 is designed to efficiently manage charging of a single-cell lithium-ion battery from two separate power sources: a wall adapter and USB power bus. Using the constant-current/constant-voltage algorithm, the charger can deliver up to 950mA of charge ...
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LTC4076 OPERATIO U The termination condition is detected by using an internal filtered comparator to monitor the ITERM pin. When the ITERM pin voltage drops below 100mV t (typically 1.5ms), the charge cycle terminates, TERMINATE charge current latches off and ...
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OPERATIO U The power supply status output ( P W has two states: pull-down and high impedance. The pull-down state indicates that power is present at either DCIN or USBIN power is applied ...
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LTC4076 APPLICATIO S I FOR ATIO U U Using a Single Charge Current Program Resistor In applications where the programmed wall adapter charge current and USB charge current are the same, a single program resistor can be used to set ...
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APPLICATIO S I FOR ATIO U U Power Dissipation When designing the battery charger circuit not neces- sary to design for worst-case power dissipation scenarios because the LTC4076 automatically reduces the charge current during high power conditions. The ...
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... Q characteristics of ceramic capacitors can cause substantial ringing which could exceed the maximum voltage ratings and damage the LTC4076. Refer to Linear Technology Application Note 88, entitled “Ceramic Input Capacitors Can Cause Overvoltage Transients” for a detailed discussion of this problem. ...
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... SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights Package 10-Lead Plastic DFN (3mm × ...
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... LTC4077 Dual Input Standalone Li-Ion Battery Charger LTC4410 USB Power Manager and Battery Charger LTC4411/LTC4412 Low Loss PowerPath TM ThinSOT and PowerPath are trademarks of Linear Technology Corporation 16 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● COMMENTS Effi ...