Datasheet

MAX8819A/MAX8819B/MAX8819C
PMIC with Integrated Chargers and Smart
Power Selector in a 4mm x 4mm TQFN
8 _______________________________________________________________________________________
DC QUIESCENT CURRENT vs.
DC VOLTAGE (CHARGER ENABLED)
DC VOLTAGE (V)
QUIESCENT CURRENT (mA)
MAX8819A toc01
0123456
0
0.2
0.4
0.6
0.8
1.0
1.2
FALLING
RISING
DC QUIESCENT CURRENT
vs. DC VOLTAGE (CHARGER DISABLED)
DC VOLTAGE, V
DC
(V)
QUIESCENT CURRENT (mA)
MAX8819A toc02
0123456
0
0.2
0.4
0.6
0.8
1.0
1.2
RISING
FALLING
BATTERY LEAKAGE CURRENT
vs. BATTERY VOLTAGE
BATTERY VOLTAGE (V)
BATTERY LEAKAGE CURRENT (nA)
MAX8819A toc03
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
0
100
200
300
400
500
600
700
800
900
1000
V
DC
= 5V
EN123 = 1
Typical Operating Characteristics
(Circuit of Figure 1, T
A
= +25°C, unless otherwise noted.)
BATTERY LEAKAGE CURRENT
vs. BATTERY VOLTAGE
BATTERY VOLTAGE (V)
BATTERY LEAKAGE CURRENT (nA)
MAX8819A toc04
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
0
100
200
300
400
500
600
700
800
900
1000
V
DC
= 0V
EN123 = 0
CHARGE CURRENT
vs. BATTERY VOLTAGE
BATTERY VOLTAGE (V)
CHARGE CURRENT (mA)
MAX8819A toc05
034215
0
50
100
150
200
250
300
350
400
450
500
R
CISET
= 6.8kΩ
R
CISET
= 15kΩ
BATTERY REGULATION VOLTAGE
vs. TEMPERATURE
TEMPERATURE (°C)
BATTERY REGULATION VOLTAGE (V)
MAX8819A toc06
-40 -15 10 35 60 85
4.15
4.16
4.17
4.18
4.19
4.20
4.21
4.22
4.23
4.24
4.25
SYSTEM VOLTAGE
vs. SYSTEM CURRENT
OUTPUT CURRENT (mA)
SYSTEM VOLTAGE (V)
MAX8819A toc07
0 100 200 300 400 500 600 700 800 900 1000
3.88
3.90
3.92
3.94
3.96
3.98
4.00
4.02
DC UNCONNECTED
V
BATT
= 4V
SYSTEM VOLTAGE
vs. SYSTEM CURRENT
OUTPUT CURRENT (mA)
SYSTEM VOLTAGE (V)
MAX8819A toc08
0 100 200 300 400 500 600 700 800 900 1000
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
V
DC
= 5.1V
V
BATT
= 4V
DLIM[1:2] = 10