Datasheet LTC3337 (Analog Devices) - 7

LTC3337
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, BAT_IN = BAT_OUT = AVCC = DVCC = 3.6V, 100mA IPEAK unless otherwise noted. Total Coulomb Counter Error Total Coulomb Counter Error Total Coulomb Counter Error (15mA IPEAK Setting) (20mA I PEAK PEAK Setting) PEAK (25mA IPEAK Setting) PEAK
5 5 5 4 4 4 3 3 3 2 2 2 BAT_IN = 3.6V, C 1 BAT_IN = 3.6V, C OUT = 100µF 1 BAT_IN = 3.6V, COUT = 100µF OUT = 100µF 1 0 0 0 ERROR (%) –1 ERROR (%) –1 ERROR (%) –1 –2 –2 –2 –3 –3 –3 –4 –4 –4 –5 –5 –5 0.001 0.01 0.1 1 10 20 0.001 0.01 0.1 1 10 20 0.001 0.01 0.1 1 10 30 BAT_OUT LOAD CURRENT (mA) BAT_OUT LOAD CURRENT (mA) BAT_OUT LOAD CURRENT (mA) 3337 G10 3337 G11 3337 G12
Total Coulomb Counter Error Total Coulomb Counter Error Total Coulomb Counter Error (50mA IPEAK Setting) PEAK (75mA IPEAK Setting) (75mA IPEAK Setting) (100mA IPEAK Setting) PEAK
5 5 5 COUT = 100µF 4 4 4 3 3 3 2 2 2 BAT_IN = 3.6V, C 1 OUT = 100µF BAT_IN = 3.6V, C 1 OUT = 100µF 1 0 0 0 ERROR (%) –1 ERROR (%) –1 ERROR (%) –1 –2 –2 –2 –3 –3 –3 BAT_IN = 2.0V –4 –4 –4 BAT_IN = 3.6V BAT_IN = 5.5V –5 –5 –5 0.005 0.1 1 10 50 0.007 0.1 1 10 80 0.01 0.1 1 10 100 BAT_OUT LOAD CURRENT (mA) BAT_OUT LOAD CURRENT (mA) BAT_OUT LOAD CURRENT (mA) 3337 G13 3337 G14 3337 G15
Start-Up Current Out of BAT_OUT Start-Up Current Out of BAT_OUT IPEAK Turn–On/Off Thresholds Pin (I PEAK PK[2] = 1 Settings) (IPK[2] = 1 setting) Pin (IPK[2] = 0 Settings)
200 40 8 BAT_OUT = 0V BAT_OUT = 0V 180 36 7 160 32 6 140 28 6 120 24 5 T_OUT (mV) 100 20 4 80 16 3 T_IN – BA 60 BA T_OUT CURRENT (mA) 12 T_OUT CURRENT (mA) 2 BA BA 40 8 BAT_IN = 2.5V 2 BAT_IN = 2.5V I 20 PEAK TURN–OFF THRESHOLD 4 BAT_IN = 3.6V 1 BAT_IN = 3.6V IPEAK TURN–ON THRESHOLD BAT_IN = 5.0V BAT_IN = 5.0V 0 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3337 G16 3337 G17 3337 G18 Rev. 0 For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Timing Diagram Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Applications Related Parts