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PAM2805 数据表(PDF) 3 Page - Power Analog Micoelectronics

部件名 PAM2805
功能描述  3-Modes/3W WLED Driver with 1 or 2 Cell Battery
PDF  9 Pages
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制造商  PAM [Power Analog Micoelectronics]
网页  http://www.poweranalog.com
标志 PAM - Power Analog Micoelectronics

PAM2805 数据表(HTML) 3 Page - Power Analog Micoelectronics

  PAM2805 Datasheet HTML 1Page - Power Analog Micoelectronics PAM2805 Datasheet HTML 2Page - Power Analog Micoelectronics PAM2805 Datasheet HTML 3Page - Power Analog Micoelectronics PAM2805 Datasheet HTML 4Page - Power Analog Micoelectronics PAM2805 Datasheet HTML 5Page - Power Analog Micoelectronics PAM2805 Datasheet HTML 6Page - Power Analog Micoelectronics PAM2805 Datasheet HTML 7Page - Power Analog Micoelectronics PAM2805 Datasheet HTML 8Page - Power Analog Micoelectronics PAM2805 Datasheet HTML 9Page - Power Analog Micoelectronics  
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3
Electrical Characteristic
T =25
, L=2.2uH, C =10uF, C
=10uF,
unless
otherwise noted.
A
ΙΝ
OUT
℃
C
=1uF, V =3.4V,
BLK
F
Note1: V --- LED Forward Voltage
F
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Input Voltage Range
VIN
0.9
V F-0.2
(note 1)
V
Feedback Voltage
VFB
90
95
100
mV
Start-up Voltage
VSTART
VIN: 0V→3V
ILED=200mA
0.9
V
Hold Voltage
VHO LD
VIN: 3V→0V
I
LED:750m A→100m A
0.7
V
Oscillator Frequenc y
FO SC
0.85
1.0
1.15
MHz
Over Temperature Shutdown
OTS
150
℃
Over Temperature Hysteresis
OTH
30
℃
Maximum O utput Current
Range
IO(MAX)
VIN =2.4V
750
mA
Quiescent Current
IQ
ILED=0mA, VO=3.4V,
Device Switching at 1MHz
1
3
mA
Switch on Resis tance
RDSON
VO=3.4V
0.1
Ω
Current Limit
ILIM
VO=3.4V
2
A
Over Voltage Protection(VOUT)
VOVP
4.5
V
Blinking Frequency
FBLK
CBLK=1uF
7
8.5
10
Hz
,
Power Analog Microelectronics Inc
www.poweranalog.com
11/2011 Rev1.0
PAM2805
3-Modes/3W WLED Driver with 1 or 2 Cell Battery



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