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AT73C202
Electrical
Characteristics
Charger Interface
General conditions unless otherwise noted: V IN = V IN(min) to V IN(max), T AMB = -40°C to
+85°C
Table 5. Charger Interface Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
GATE-CHG External Transistor
I SINK
Sink Current
25
30
45
mA
Internal Timer Source (second solution)
T ON
T
ON Time
Period
External Transistor is Closed
60
0.9
80
1
100
1.1
ms
s
CHG-IN Input Supply
V IN
Input Voltage
4.6
5.5
V
V-CORE DC to DC
T AMB = -20°C to 85°C, V BAT = 3V to 4.2V unless otherwise specified.
C OUT = 22 μF Tantalum, L OUT = 10 μH.
Table 6. V-CORE (1) DC to DC Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
V OUT
(1)
Output Voltage
PWM Mode
1.80
1.90
2.0
V
(BB1 = 1, ECO-MODE = 0)
V OUT
Output Voltage
PWM Mode
2.45
2.50
2.55
V
(BB1 = 1, ECO-MODE = 0)
I OUT (1)
Output Current
PWM Mode
150
300
mA
(ECO-MODE = 0)
I OFF
Standby Current
0.1
1
μA
E FF
? V DCLD
Efficiency
Static Load Regulation
I OUT = 10 mA to 200 mA @1.9V
PWM Mode (10% to 90% of
90
50
%
mV
I OUT(MAX)
? V TRLD
transient Load Regulation
PWM Mode (10% to 90% of
50
mV
I OUT(MAX) ,T R = T F = 5μs
? V DCLE
Static Line Regulation
PWM Mode (10% to 90% of
20
mV
I OUT(MAX) , 3.2V to 4.2V)
? V TRLE
transient Line Regulation
PWM Mode (10% to 90% of
35
mV
I OUT(MAX) , 3.2V to 4.2V)
V OUT
Output Voltage
LDO Mode
1.75
1.85
1.95
V
(BB1 = 0, ECO-MODE = 1)
V OUT
Output Voltage
LDO Mode
2.35
2.40
2.45
V
(BB1 = 1, ECO-MODE = 1)
I OUT
V DROP
Output Current
Dropout Voltage
LDO Mode (ECO-MODE = 1)
LDO Mode (ECO-MODE = 1)
10
400
mA
mV
9
2740B–PMGMT–05/03
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