Datasheet

MAX8662/MAX8663
Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (Input Limiter and Battery Charger) (continued)
(V
DC
= 5V, V
BAT
= 4V, V
CEN
= 0V, V
PEN_
= 5V, R
PSET
= 3kΩ, R
ISET
= 3.15kΩ, C
CT
= 0.068µF, T
A
= -40°C to +85°C, unless otherwise
noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
THERMISTOR INPUT (THM)
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
270 300 330
Ω
LOGIC I/O (POK, CHG, PEN_, EN_, PWM, CEN)
Input Logic-High Level
1.3
V
Input Logic-Low Level
0.4
V
V
LOGIC
= 0V to 5.5V, T
A
= +25°C
-1 +0.001 +1
Logic Input-Leakage Current
V
LOGIC
= 5.5V, T
A
= +85°C
0.01
µA
Logic Output-Voltage Low I
SINK
= 1mA 10
100
mV
T
A
= +25°C
0.001
1
Logic Output-High Leakage
Current
V
LOGIC
= 5.5V
T
A
= +85°C
0.01
µA
ELECTRICAL CHARACTERISTICS (Output Regulator)
(V
SYS_
= V
PV_
= V
IN45
= V
IN67
= 4.0V, V
BRT
= 1.25V, circuit of Figure 1, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SYSTEM
SYS Operating Range V
SYS
2.6 5.5
V
S Y S U nd er vol tag e Thr eshol d V
UVLO_SYS
V
SYS
rising, 100mV hysteresis
2.4 2.5 2.6
V
Extra supply current when at least one output is on 35
70
OUT1 on, V
PWM
= 0V 16
35
OUT2 on, V
PWM
= 0V 16
35
µA
OUT3 on 1 2 mA
OUT4 on (current into IN45)
20
30
OUT5 on (current into IN45)
16
25
OUT6 on (current into IN67)
17
27
SYS Bias Current Additional
Regulator Supply Current
Not including
SYS bias current
OUT7 on (current in IN67) 16
25
µA
Inter nal Osci l l ator Fr eq uency PWM frequency of OUT1, OUT2, and OUT3
0.9 1.0 1.1
MHz
BUCK REGULATOR 1
V
PWM
= 0V 16 35 µA
Supply Current
I
SYS
+ I
PV1
, no load,
not including SYS
bias current
V
PWM
= 5V
2.9
mA
Output Voltage Range V
OUT1
Guaranteed by FB accuracy
0.98 3.30
V
Maximum Output Current I
OUT1
1200
mA