EUP8202-4.2/8.4
Electrical Characteristics
(T
A
= 25℃, V
CC
= 10V, unless otherwise noted.)
Symbol
∆V
RECHRG
I
LEAK
Parameter
Conditions
EUP8202-4.2
Unit
Min. Typ. Max.
100
150
200
1
mV
µA
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
Electrical Characteristics
(T
A
= 25℃, V
CC
= 12V, unless otherwise noted.)
Symbol
DC Characteristics
V
CC
I
CC
V
CC
Supply Voltage
Current Mode
V
CC
Supply Current
Shutdown Mode
Sleep Mode
V
BAT(FLT)
Battery Regulated Float Voltage 9V≦ V
CC
≦
20V 0℃≦ T
A
≦85℃
V
SNS(CHG)
Constant Current Sense Voltage
6V≦ V
BAT
≦
8V 0℃≦ T
A
≦85℃
V
SNS(TRKL)
Trickle Current Sense Voltage
V
BAT
= 1V
Trickle Charge Threshold
V
TRKL
V
BAT
= Rising
Voltage
V
CC
Undervoltage Lockout
V
CC
= Rising
V
UV
Threshold Voltage
V
CC
Undervoltage Lockout
∆V
UV
Hysteresis Voltage
Manual shutdown Threshold
V
MSD
COMP Pin Falling
Voltage
Automatic shutdown Threshold
V
ASD
V
CC
- V
BAT
Voltage
I
COMP
COMP Pin Output Current
V
COMP
= 1.2V
I
CHRG
8.316
90
8
4.7
8.9
1.5
1.5
10
8.4
100
15
5
7.5
500
150
280
250
100
15
25
35
450
20
5
5
20
8.484
110
22
5.3
8.5
V
mA
mA
µA
V
mV
mV
V
V
mV
mV
mV
µA
µA
Parameter
Conditions
EUP8202-8.4
Min. Typ. Max.
Unit
CHRG
Pin Weak Pull-Down
Current
V
CHRG
= 1V
DS8202 Ver 1.1 Nov.2007
7
EUTECH [ EUTECH MICROELECTRONICS INC ]
