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參數(shù)資料
| 型號(hào)： | ADP3804 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Secondary Over-Voltage Protection for 2-4 cell in series Li-Ion/Poly (4.50V) 8-TSSOP -40 to 110 |
| 中文描述： | 高頻開(kāi)關(guān)模式鋰離子電池充電器 |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大?。?/td> | 89K |
| 代理商： | ADP3804 |
–3–
REV. PrI
ADP3804
PRELIMINARY
TECHNICAL
No External Loads
No External Loads
T urn On
T urn Off
DATA
Parameter
Conditions
Symbol
Min
T yp
Max
Units
ISET INPUT
Charge Current Programming
Function
Programming Function Accuracy
0.0 V V
ISET
4.0 V
V
ISET
= 4.0 V
V
ISET
= 0.50 V,
0.0 V V
ISET
4.0 V
V
ISET /
V
CS
25
±1.0
±10
0.2
V/V
%
%
A
–5
–20
+5
+20
1.0
ISET Bias Current
I
B
ADJ INPUT
V
BAT
Adjustment
V
BAT
Adjustment
V
BAT
Disable T hreshold
ADJ Bias Current
V
ADJ
= 1 V
V
ADJ
= 4 V
–4.8
+4.8
4.4
–5.0
+5.0
4.6
0.2
–5.2
+5.2
%
%
V
1.0 V V
ADJ
4.0 V
1.0
BOOST REGULAT OR
OUT PUT
Output Voltage
Output Current
C
L
= 0.1 F
V
BST REG
I
6.8
3
7.0
5
7.2
V
mA
ANALOG REGULAT OR
OUT PUT
Output Voltage
Output Current
C
= 10 nF
V
REG
REG
5..8
3.0
6.0
5.0
6.2
V
mA
PRECISION REFERENCE
OUT PUT
Output Voltage
Output Current
V
REF
I
REF
2.475
0.5
2.5
1.1
2.525
V
mA
SHUT DOWN (
SD
)
ON
OFF
SD
Input Current
SD
H
SD
L
2.0
V
V
0.8
1.0
0.2
A
POWER SUPPLY
ON Supply Current
OFF Supply Current
UVLO
T hreshold Voltage
UVLO Hysteresis
I
SY ON
I
SYOFF
V
UVLO
8.0
2.0
6.0
0.3
10
10
6.25
0.5
mA
A
V
V
5.75
0.1
CCCV OUT PUT
Output Voltage Low
Constant Current Mode
8
, V
ISET
= 2.5 V,
I
SINK
= 100 μA
Constant Voltage Mode
9
, V
ISET
= 2.5 V
0.1
external
0.4
V
V
Output Voltage High
OUT PUT REVERSE
LEAK AGE PROT ECT ION
Leakage Current
VCC = Floating, V
BAT
= 12.6 V
I
DISCH
3.0
10
μA
1
All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods.
2
Guaranteed by design, not tested in production.
3
If SYNC function is used, then f
SYNC
must be greater than f
CT
, but less than 120% of f
CT
.
4
V
CS
= (V
CS+
) – (V
CS–
).
5
Accuracy guaranteed by ISET
INPUT , Programming Function Accuracy specification.
6
System current sense is active during shutdown.
7
Load current is supplied through SYS+ pin.
8
V
BAT
< 95% of final or VCS > 80% of ISET programmed value.
9
V
BAT
95% of final and VCS
80% of ISET programmed value.
Specifications subject to change without notice.
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