MAX8662 데이터 시트보기 (PDF) - Maxim Integrated

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MAX8662

Power-Management ICs for Single-Cell, Li+ Battery-Operated Devices

Maxim Integrated 

Power-Management ICs for

Single-Cell, Li+ Battery-Operated Devices

ELECTRICAL CHARACTERISTICS (Input Limiter and Battery Charger) (continued)

(VDC = 5V, VBAT = 4V, VCEN = 0V, VPEN_ = 5V, RPSET = 3kΩ, RISET = 3.15kΩ, CCT = 0.068µF, TA = -40°C to +85°C, unless otherwise

noted.) (Note 1)

PARAMETER

SYMBOL

THERMISTOR INPUT (THM)

CONDITIONS

MIN TYP MAX UNITS

THM Internal Pullup

Resistance

10

kΩ

THM Resistance Threshold,

Hot

Resistance falling (1% hysteresis)

3.73 3.97 4.21 kΩ

THM Resistance Threshold,

Cold

Resistance rising (1% hysteresis)

26.98 28.7 30.42 kΩ

THM Resistance Threshold,

Disabled

Resistance falling

LOGIC I/O (POK, CHG, PEN_, EN_, PWM, CEN)

Input Logic-High Level

Input Logic-Low Level

Logic Input-Leakage Current

VLOGIC = 0V to 5.5V, TA = +25°C

VLOGIC = 5.5V, TA = +85°C

Logic Output-Voltage Low

Logic Output-High Leakage

Current

ISINK = 1mA

VLOGIC = 5.5V

TA = +25°C

TA = +85°C

270 300 330

Ω

1.3

V

0.4

V

-1 +0.001 +1

µA

0.01

10 100 mV

0.001 1

µA

0.01

ELECTRICAL CHARACTERISTICS (Output Regulator)

(VSYS_ = VPV_ = VIN45 = VIN67 = 4.0V, VBRT = 1.25V, circuit of Figure 1, TA = -40°C to +85°C, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

SYSTEM

SYS Operating Range

VSYS

2.6

5.5

V

SYS Undervoltage Threshold VUVLO_SYS VSYS rising, 100mV hysteresis

2.4 2.5 2.6

V

Extra supply current when at least one output is on

35

70

SYS Bias Current Additional

Regulator Supply Current

Not including

SYS bias current

OUT1 on, VPWM = 0V

OUT2 on, VPWM = 0V

OUT3 on

OUT4 on (current into IN45)

OUT5 on (current into IN45)

OUT6 on (current into IN67)

16

35

µA

16

35

1

2

mA

20

30

16

25

µA

17

27

OUT7 on (current in IN67)

16

25

Internal Oscillator Frequency

PWM frequency of OUT1, OUT2, and OUT3

0.9 1.0 1.1 MHz

BUCK REGULATOR 1

Supply Current

ISYS + IPV1, no load,

not including SYS

bias current

VPWM = 0V

VPWM = 5V

16

35

µA

2.9

mA

Output Voltage Range

Maximum Output Current

VOUT1

IOUT1

Guaranteed by FB accuracy

0.98

1200

3.30

V

mA

4 _______________________________________________________________________________________

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