数据搜索系统，热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

预览 PDF HTML

AS3685C 数据表(PDF) 5 Page - ams AG

部件名 AS3685C
功能描述  Ultra Small High Efficiency 1000mA Charge Pump for White LED Flash with Two Wire Serial Interface
PDF  22 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3685C 数据表(HTML) 5 Page - ams AG

  AS3685C Datasheet HTML 1Page - ams AG AS3685C Datasheet HTML 2Page - ams AG AS3685C Datasheet HTML 3Page - ams AG AS3685C Datasheet HTML 4Page - ams AG AS3685C Datasheet HTML 5Page - ams AG AS3685C Datasheet HTML 6Page - ams AG AS3685C Datasheet HTML 7Page - ams AG AS3685C Datasheet HTML 8Page - ams AG AS3685C Datasheet HTML 9Page - ams AG Next Button
Zoom Inzoom in Zoom Outzoom out
 5 / 22 page
background image
AS3685C
Datasheet
www.austriamicrosystems.com/AS3685
(ptr)
1.1
4 - 21
Table
2 – Operating Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Note
0.85
mA
1:1 Mode
6.6
mA
1:1.5 Mode
IOPERATING
Power Consumption without
load
8.1
mA
1:2 Mode
5.3 Electrical Characteristics
Table
3 – Charge Pump Characteristics
Symbol
Parameter
Min
Typ
Max
Unit
Note
V(VCP) Output voltage
without load – do not short to
VSS
VBAT *
CP-
mode
V
CP-mode is 1, 1.5 or 2
(automatically selected)
VCPOUT
Output limitation
5.4
5.6
internally limited
0.28
0.53
Ω
1:1 Mode
VBAT = 3.6V, ICPOUT = 200mA
1.37
2.00
Ω
1:1.5 Mode
VBAT = 3.3V, ICPOUT = 500mA,
TJUNCTION<=85°C
RCP
Charge Pump effective
Resistance
1.95
2.44
Ω
1:2 Mode
VBAT = 3.0V, ICPOUT=700mA,
TJUNCTION<=85°C
Eta
Efficiency
75
93
%
Vin=3.0V-4.5V, Iout=100mA
(Charge Pump alone)
VRIPPLE
Output ripple voltage
100
mVpp
Vin=3.0-4.5V, Iout=350mA,
fclk
Operating Frequency
-20%
1.0
+20%
MHz
tUP_DEB_LONG
Initial Mode Switching
Debounce Time
256
μs
Mode switching up-debounce
time after enabling of the
charge pump or after mode
switching between 1:1 to 1:1.5
tUP_DEB
Mode Switching Debounce
Time
16
μs
Mode switching up-debounce
time in normal operation
Table
4 – Current Source (Sink) Characteristics
Symbol
Parameter
Min
Typ
Max
Unit
Note
ILED
Output Current Range
700
1000
mA
700mA: RISET = 14.2kΩ
1000mA: RISET = 10kΩ
IACCURACY
Current Setting Accuracy
-10%
500
+10%
mA
Measured with RISET = 19.9kΩ
and maximum flash current
IINDICATOR
Indicator Current setting
1.0
mA
VISET
Current Generator Set Point
Voltage (pin ISET)
1.3
V
IISET
Current Generator operating
range
10.0
130
μA
IISET = VISET / RISET
if the resulting bias current is
higher than 200
μA (typ.), the
current source is disabled
IFLASH2ISET
Flash Current to Bias Current
Ratio
7650
A/A
At full flash current
(700mA with RISET = 14.2kΩ)
VSWITCH
Mode Switching Threshold on
V(ILED) between 1:1 -> 1:1.5
and 1:1.5 -> 1:2
350
400
450
mV
Data1<7:0>(flash LED current)
>= 0x80h in flash mode;
ILED>350mA @ RISET=14.2kΩ



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22


数据表 下载

Go To PDF Page


链接网址



ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   数据表链接    |   链接交换   |   制造商名单
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com