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AS3682 Datasheet(PDF) 7 Page - ams AG

Part # AS3682
Description  480mA Camera Lighting Management Unit
PDF  43 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3682 Datasheet(HTML) 7 Page - ams AG

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AS3682
austriamicrosystems
Data Sheet
Electrical Characteristics
www.austriamicrosystems.com
Revision 2.21
7 - 43
6.3 Electrical Characteristics
Notes:
1. This parameter describes the efficiency of the charge pump only.
Table 3. Charge Pump Electrical Characteristics
Symbol
Parameter
Min
Typ
Max
Unit
Notes
VCPOUT
Output Voltage
Without Load
VBAT x
CP-mode
V
Internally regulated.
Output Limitation
5.3
5.6
V
Output Voltage
With Load (I = 400mA)
3.32
1:1 Mode; VBAT = 3.5V
4.31
1:1.5 Mode; VBAT = 3.5V
5.24
1:2 Mode; VBAT = 3.5V
RCP
Charge Pump
Effective Resistance
0.5
Ω
1:1 Mode; VBAT = 3.0V, ILOAD = 400mA
2.6
1:1.5 Mode; VBAT = 3.0V, ILOAD = 400mA
2.5
1:2 Mode; VBAT = 3.0V, ILOAD = 400mA
ICPOUT
Continuous Output Current
400
mA
In automatic mode only; VBAT
≤ 4.2V.
ICP
Power Consumption
Without Load,
FCLK = 1 MHz
0.1
mA
1:1 mode
4.5
1:1.5 mode
5
1:2 mode
Eta_1
Efficiency11
75
93
%
VIN = 3.0 to 4.5V, IOUT = 100mA
Eta_2
Efficiency21
65
82
%
VIN = 3.0 to 4.5V, IOUT = 10 to 350mA
tR
Rising Time
1.0
ms
VORIP
Output Ripple
10
mVpp
VIN = 3.0 to 4.5V,
IOUT = 350mA, CP = 2.2uF, X5R
fCLK
Clock Frequency
-20%
1.0
20%
MHz
Table 4. Current Sink Electrical Characteristics
Symbol
Parameter
Min
Typ
Max
Unit
Notes
ICURR1x-MAX
CURR1x Maximum
Output Current
150
mA
Normal Mode
160
Soft Flash Mode
150
Hard Flash Mode
ICURR1x-RES
CURR1x Resolution
15
mA
Normal Mode low range (I < 240mA)
30
Normal Mode high range (I > 240mA)
0.625
Soft Flash Mode
20
Hard Flash Mode
ICURR2,3,4-MAX
CURR2,3,4 Maximum
Output Current
37.5
mA
Normal Mode
160
Soft Flash Mode
150
Hard Flash Mode
ICURR2,3,4-RES
CURR2,3,4 Resolution
2.5
mA
Normal Mode
0.625
Soft Flash Mode
20
Hard Flash Mode
Delta-abs
Absolute Accuracy
-20
+20
%
All current sinks
Delta-rel
Relative Accuracy
5
%
VPROTECT
Voltage Above VBAT for
Protection
VBAT + 2.0
V
ISINK >= 20mA
VCOMPL
Voltage Compliance
0.2
VBAT + 0.5
V
During normal operation
V_LOW
Under-Voltage Detection
50
150
200
mV



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