Datasheet MAX1811 (Maxim) - 3
| Fabricante | Maxim |
| Descripción | USB-Powered Li+ Charger |
| Páginas / Página | 8 / 3 — Electrical Characteristics (continued). TA = -40°C to +85°C. PARAMETER. … |
| Formato / tamaño de archivo | PDF / 1.2 Mb |
| Idioma del documento | Inglés |
Electrical Characteristics (continued). TA = -40°C to +85°C. PARAMETER. CONDITIONS. MIN. TYP. MAX. UNITS. Note 1:
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MAX1811 USB-Powered Li+ Charger
Electrical Characteristics (continued)
(VIN = 4.5V, EN = IN,
TA = -40°C to +85°C
, unless otherwise noted.)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Supply Voltage 4.35 6.50 V Input Undervoltage Lockout IIN rising 3.75 4.05 V Operating, EN = IN, no load 3 mA Input Supply Current Shutdown, EN = GND 6 µA Precondition Threshold BATT rising, transition from precondition to charge mode 2.3 2.7 V SELV = GND, I BATT Regulation Voltage BATT = 0 4.06 4.14 V SELV = IN, IBATT = 0 4.16 4.24 BATT Leakage Current (Input Power Removed) VBATT = 4.2V, IN = GND 10 µA BATT Shutdown Current EN = GND, VBATT = 4.2V 3 µA
Note 1:
Specifications to -40°C are guaranteed by design and not production tested.
Typical Operating Characteristics
(CHG unconnected, CBATT = 2.2μF, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT SUPPLY CURRENT vs. INPUT VOLTAGE CHARGE CURRENT vs. INPUT VOLTAGE (ENABLED) (SHUTDOWN) vs. INPUT VOLTAGE HEADROOM
1.0 4.5 500 VIN = VEN = VSELV 0.9 4.0 VIN = VSELV 450 0.8 V MAX1811 toc01 EN = 0 3.5 MAX1811 toc02 400 V MAX1811 toc03 SELI = VIN 0.7 350 3.0 0.6 VSELI = VIN 300 2.5 (mA) 0.5 (µA) (mA) 250 V I IN V BATT = 4.1V SELI = 0 I IN 2.0 0.4 I BATT 200 VSELV = VIN 0.3 1.5 150 0.2 1.0 100 VSELI = 0 0.1 0.5 50 0 0 0 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 0.5 1.0 1.5 2.0 2.5 3.0 VIN (V) VIN (V) VIN - VBATT (V) www.maximintegrated.com Maxim Integrated │ 3
Electrical Characteristics (continued)
(VIN = 4.5V, EN = IN,
TA = -40°C to +85°C
, unless otherwise noted.)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Supply Voltage 4.35 6.50 V Input Undervoltage Lockout IIN rising 3.75 4.05 V Operating, EN = IN, no load 3 mA Input Supply Current Shutdown, EN = GND 6 µA Precondition Threshold BATT rising, transition from precondition to charge mode 2.3 2.7 V SELV = GND, I BATT Regulation Voltage BATT = 0 4.06 4.14 V SELV = IN, IBATT = 0 4.16 4.24 BATT Leakage Current (Input Power Removed) VBATT = 4.2V, IN = GND 10 µA BATT Shutdown Current EN = GND, VBATT = 4.2V 3 µA
Note 1:
Specifications to -40°C are guaranteed by design and not production tested.
Typical Operating Characteristics
(CHG unconnected, CBATT = 2.2μF, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT SUPPLY CURRENT vs. INPUT VOLTAGE CHARGE CURRENT vs. INPUT VOLTAGE (ENABLED) (SHUTDOWN) vs. INPUT VOLTAGE HEADROOM
1.0 4.5 500 VIN = VEN = VSELV 0.9 4.0 VIN = VSELV 450 0.8 V MAX1811 toc01 EN = 0 3.5 MAX1811 toc02 400 V MAX1811 toc03 SELI = VIN 0.7 350 3.0 0.6 VSELI = VIN 300 2.5 (mA) 0.5 (µA) (mA) 250 V I IN V BATT = 4.1V SELI = 0 I IN 2.0 0.4 I BATT 200 VSELV = VIN 0.3 1.5 150 0.2 1.0 100 VSELI = 0 0.1 0.5 50 0 0 0 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 0.5 1.0 1.5 2.0 2.5 3.0 VIN (V) VIN (V) VIN - VBATT (V) www.maximintegrated.com Maxim Integrated │ 3