EUP8020X
Electrical Characteristics Over Recommended Operating Free-Air Temperature Range
EUP8020X
Parameter
Conditions
Unit
Min.
Typ. Max.
Current Regulation
AC output current range, IO(OUT) (1)
VI(OUT) >V(LOWV), VCC ≥ 4.5 V
50
80
1000
100
VI(OUT) >V(LOWV), VCC ≥ 4.5 V
mA
V
ISET2 = Low
USB output current range, IO(OUT)
V
I(OUT) >V(LOWV), VCC ≥ 4.5 V
400
500
ISET2 = High
Voltage on ISET1 pin, VCC ≥ 4.5 V,
Output current set voltage, V(SET)
Output current set factor, K(SET)
2.410
2.460 2.510
VI(OUT) > V(LOWV)
,
50 mA ≤ IO(OUT) ≤ 1 A
10 mA ≤ IO(OUT) < 50 mA
1 mA ≤ IO(OUT) < 10 mA
304
294
246
320
320
320
336
346
416
Precharge and Short-Circuit Current Regulation
Precharge to fast-charge transition
Voltage on OUT pin
2.8
3.0
3.2
V
threshold, V(LOWV)
Deglitch time for fast-charge to
250
5
375
500
100
260
ms
mA
mV
precharge transition
Precharge range, IO(PRECHG) (2)
Precharge set voltage, V(PRECHG)
0 V < VI(OUT) < V(LOWV)
Voltage on ISET1 pin,
230
245
0 V < VI(OUT) > V(LOWV)
Charge Taper and Termination Detection
Charge taper detection range,
V
I(OUT) > V(RCH)
5
100
11
I(TAPER) (3)
USB-100 charge taper detection level
8020F
mA
VI(OUT) > V(RCH), ISET2 = Low
VI(OUT) > V(RCH), ISET2 = High
6.5
32
9
USB-500 charge taper detection level
8020F
44
55
Charge taper detection set voltage,
V(TAPER)
Voltage on ISET1 pin, VO(REG) = 4.2V,
VI(OUT) > V(RCH)
235
11
250
18
265
25
mV
ms
Charge termination detection set
voltage, V(TERM) (4)
Voltage on ISET pin, VO(REG) = 4.2V,
VI(OUT) > V(RCH)
Deglitch time for TAPER detection,
tTPRDET
250
250
375
375
500
500
Deglitch time for termination detection,
tTRMDET
Temperature Sense Comparator
Low-voltage threshold, V(LTF)
High-voltage threshold, V(HTF)
Current source, I(TS)
2.49
0.495
102
2.515
0.510 0.525
112
2.54
V
122
µA
ms
Deglitch time for temperature fault,
250
375
500
t(DEGL)
K
× V
(PRECHG)
K
× V
(SET)
(SET)
R
(SET)
(1)
(2) I
=
I
=
O(PRECHG)
O(OUT)
R
SET
SET
DS8020X Ver 1.1 June 2006
6
EUTECH [ EUTECH MICROELECTRONICS INC ]
