ADP3806 Analog Devices, Inc., ADP3806 Datasheet - Page 3

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ADP3806

Manufacturer Part Number
ADP3806
Description
High-frequency Switch Mode Li-ion Battery Charger
Manufacturer
Analog Devices, Inc.
Datasheet

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SPECIFICATIONS
@ 0°C ≤ T
Table 1.
Parameter
BATTERY SENSE INPUT
BATTERY SENSE INPUT
OSCILLATOR
GATE DRIVE
CURRENT SENSE AMPLIFIER
SYSTEM CURRENT SENSE
ADP3806-12.6 V and 16.8 V
ADP3806-12.525 V and 16.7 V
Input Resistance
Input Current
V
Input Current Operating
Input Current Shutdown
Maximum Frequency
Frequency Variation
CT Charge Current
0% Duty Cycle Threshold
Maximum Duty Cycle Threshold
SYNC Input High
SYNC Input Low
SYNC Input Current
On Resistance
Rise, Fall Time
Overlap Protection Delay
SW Bias Current
BST Cap Refresh Threshold
Input Common-Mode Range
Input Differential Mode Range
Input Offset Voltage
Gain
Input Bias Current
Input Offset Current
Input Bias Current
DRVL Shutdown Threshold
Input Common-Mode Range
Input Differential Range
Input Offset Voltage
Input Bias Current, SYS+
Input Bias Current, SYS–
Voltage Gain
Limit Output Threshold
Limit Output Voltage
BAT
I
SYS
= 2.5 V
5
Output Range
A
1
100°C, V
CC
3
5
= 16 V, unless otherwise noted.
2
6
Symbol
V
V
V
R
I
V
V
f
f
I
SYNC
SYNC
I
R
tr, t
t
V
V
V
V
V
V
V
V
I
I
V
V
V
BAT(SD)
CT
SYNC
B(SYS+)
B(SYS−)
CT
CT
OP
BAT
ON
BAT
BAT
BAT
BAT
BAT
CS(CM)
CS(DM)
CS(VOS)
CS(IB)
CS(IOS)
CS(SD)
SYS(CM)
SYS(DM)
ISYS
TH(LIMIT)
O(LIMIT)
f
H
L
Conditions
T
5°C ≤ T
0°C ≤ T
Part in operation
Part in shutdown
T
0°C ≤ T
BATSEL = open, part in operation
BATSEL = 100 kΩ to GND, part in shutdown
CT = 180 pF
@ COMP pin
@ COMP pin
I
C
DRVL falling to DRVH rising,
DRVH falling to DRVL rising
Part in shutdown, V
V
V
V
0 V ≤ V
0 V ≤ V
0 V ≤ V
Part in shutdown
Measured between V
SYS+ and SYS−, I
(V
V
V
10 V ≤ V
I
V
V
L
L
A
A
BST
CS+
CS
SYS(DM)
SYS(DM)
LIMIT
ISYS
L
= 10 mA
= 1 mA
SYS+
= 25°C, 13 V ≤ V
= 25°C, 13 V ≤ V
= 1 nF, DRVL and DRVH
4
− V
Rev. C | Page 3 of 16
and V
> 2.65 V, I
) − (V
≤ 0.2 V, 50 kΩ pull up to 5 V
CS(CM)
CS(CM)
CS(CM)
A
A
A
= 0 V, V
= 0 V, V
SW
SYS(CM)
≤ 55°C
≤ 85°C
≤ 85°C
7
CS−
, V
SYS–
≤ V
≤ V
≤ V
SYS(CM)
)
≤ V
SINK
SYS(CM)
SYS(CM)
CC
CC
CC
, part in operation
L
CC
= 700 μA
= 0 mA, V
> 6 V
CC
CC
+ 0.3 V, I
SW
= 16 V
= 16 V
≤ 20 V
≤ 20 V
CS+
= 12.6 V
and V
L
ISYS
= 100 μA
CS–
= 3 V
Min
−0.4
−0.6
−0.7
250
−0.5
−0.7
1000
210
125
2.2
0.0
0.0
4.0
0
48.5
0
2.3
Typ
350
0.2
0.2
0.2
250
150
1.0
2.5
0.2
6
35
50
0.2
3.7
1.0
25
50
1.0
0.2
48
0.5
200
70
50
2.5
0.1
Max
+0.4
+0.6
+0.7
1.0
+0.5
+0.7
1.0
1.0
290
175
0.8
1.0
10
1.0
V
160
100
2.0
1.0
V
100
300
125
51.5
5.0
2.7
0.2
CC
CC
+ 0.3
+ 0.3
ADP3806
Unit
%
%
%
μA
%
%
μA
μA
kHz
kHz
μA
V
V
V
V
μA
Ω
ns
ns
μA
V
V
mV
mV
V/V
μA
μA
μA
mV
V
mV
mV
μA
μA
V/V
V
V
V