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PAM2805 датащи(PDF) 3 Page - Diodes Incorporated

номер детали PAM2805
подробное описание детали  3-MODES/ 3W WLED DRIVER WITH 1 OR 2 CELL BATTERY
PDF  9 Pages
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производитель  DIODES [Diodes Incorporated]
домашняя страница  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PAM2805 датащи(HTML) 3 Page - Diodes Incorporated

  PAM2805 Datasheet HTML 1Page - Diodes Incorporated PAM2805 Datasheet HTML 2Page - Diodes Incorporated PAM2805 Datasheet HTML 3Page - Diodes Incorporated PAM2805 Datasheet HTML 4Page - Diodes Incorporated PAM2805 Datasheet HTML 5Page - Diodes Incorporated PAM2805 Datasheet HTML 6Page - Diodes Incorporated PAM2805 Datasheet HTML 7Page - Diodes Incorporated PAM2805 Datasheet HTML 8Page - Diodes Incorporated PAM2805 Datasheet HTML 9Page - Diodes Incorporated  
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PAM2805
Document number: DSxxxxx Rev. 1 - 0
3 of 9
www.diodes.com
July 2013
© Diodes Incorporated
PAM2805
A Product Line of
Diodes Incorporated
Thermal Information
Parameter
Symbol
Package
Max
Unit
Thermal Resistance (Junction to Case)
θJC
TSOT26
130
°C/W
Thermal Resistance (Junction to Ambient)
θJA
TSOT26
250
Internal Power Dissipation @ TA = 25°C
PD
TSOT26
400
mW
Electrical Characteristics
(@TA = +25°C, L = 2.2µH, CIN = 10µF, COUT = 10µF, CBLK = 1µF, VF = 3.4V unless otherwise specified.)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Input Voltage Range
VIN
0.9
VF -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
VHOLD
VIN: 3V → 0V, ILED: 750mA → 100mA
0.7
V
Oscillator Frequency
fOSC
0.85
1.0
1.15
MHz
Over Temperature Shutdown
OTS
150
°C
Over Temperature Hysteresis
OTH
30
°C
Maximum Output 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 Resistance
RDS(ON)
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 = 1µF
8.5
10
Hz
Note:
1. VF ---LED forward voltage



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