EUP8202-4.2/8.4
Electrical Characteristics
(T
A
= 25℃, V
CC
= 12V, unless otherwise noted.)
Symbol
V
CHRG
R
EOC
t
TIMER
I
NTC
V
NTC-HOT
V
NTC-COLD
∆V
RECHRG
I
LEAK
Parameter
CHRG
Pin Output Low
Voltage
End-of-Charge Ratio
Charge time Accuracy
NTC Pin Output Current
NTC Pin Thershold Voltage
(Hot)
NTC Pin Thershold Voltage
(Cold)
I
CHRG
= 1mA
Conditions
EUP8202-8.4
Unit
Min. Typ. Max.
20
5
75
70
340
2.35
15
85
85
360
5
2.4
100
200
300
400
1
2.45
50
25
10
95
100
380
mV
%
%
µA
µA
mV
mV
V
mV
mV
µA
V
SNS(EOC)
/V
SNS(CHG)
0℃≦ T
A
≦50℃
-40℃≦ T
A
≦85℃
V
NTC
= 0.85V
V
NTC
= Falling
Hysteresis
V
NTC
= Rising
Hysteresis
Recharge Battery Voltage Offset
V
BAT(FULLCHARGD)
–V
RECHRG,
V
BAT
from Full Charged Battery
Falling
Voltage
CHRG
Pin Leakage Current
Switching Frequency
Maximum Duty Cycle
V
CHRG
= 8V, Charging Stops
450
500
Oscillator
f
OSC
DC
550
100
kHz
%
Gate Drive
t
r
t
f
∆V
GATE
Rise Time
Fall Time
Output Clamp Voltage
C
GATE
=2000pF, 10% to 90%
C
GATE
=2000pF, 10% to 90%
V
CC
-V
GATE ,
V
CC
≧
9V
40℃≦ T
A
≦85℃
20
50
8
0.3
4.5
ns
ns
V
V
V
∆V
GATEHI
Output High Voltage
∆V
GATELO
Output Low Voltage
∆V
GATEHI
= V
CC
-V
GATE ,
V
CC
≧
7V
∆V
GATELO
= V
CC
-V
GATE ,
V
CC
≧
7V
DS8202 Ver 1.1 Nov.2007
8
EUTECH [ EUTECH MICROELECTRONICS INC ]
