350mA constant current drive circuit
Etek Microelectronics
ET7135
350mA
ET7135 , 350mA/250mA*, ET7135 。
[* ET7135W2]
z z 350mA/250mA* z / z
z z ...
Description
Etek Microelectronics
ET7135
350mA
ET7135 , 350mA/250mA*, ET7135 。
[* ET7135W2]
z z 350mA/250mA* z / z
z z z :2.7V~6V z :SOT89-3,TO-252
Mark Side
1 23
OUT GND VDD SO T89-3
1 2 3
ET7135W,ET7135W2
OUT GND VDD
Mark Side
12
3
GND OUT VDD
TO -252 ET7135X
,
ET7135W ET7135W2 ET7135X
SOT89-3 SOT89-3 TO-252
350mA 250mA 350mA
Rev 1.1 2007-03-29 1/4
ET7135
VDD
Bandgap Reference
Control Circuit
OUT
GND
PD(MAX) = VOUT(MAX)×IOUT(NOM) +VIN(MAX)×IQ
VOUT(MAX) = IOUT(NOM) = IQ =IOUT(MAX) VIN(MAX) = ET7135 ET7135 。 。ET7135 , 120℃,。 700mW(SOT89 ,TA =70℃), 120℃。 :TJ = PD (θJT + θCS + θSA) + TA PD :
(,10s)
VDD VLEDn
TJ
-0.3V~7V -0.3V~7V
150℃ -40℃~150℃
260℃
V V ℃ ℃ ℃
Rev 1.1 2007-03-29 2/4
ET7135
VDD IOUT TA
2.7
-40
(VDD =3.7V, TA =25℃)
ISINK
VOUT =0.2V
VOUT=0.2V~3V
VDD =3V~6V VOUT =0.2V
VOUTL
IDD
::90%×IOUT @ VOUT =200mV
315 225
6
400 +85
V mA ℃
350 250
120 200
390 275
3 3
mA
mA mA/V
mA/V
mA μA
ET7135W ET7135X ET7135W2
OUT
VDD
Rev 1.1 2007-03-29 3/4
ET7135
SOT89-3
TO-252
9.50~9.90 0.60~0.90 1.35~1.65
1.40~1.78
3.94 ~ 4.25
0.9~1.2
4.4~4.6
1.55
1.4~1.6
2.3~2.6
1.50 3.00
0.32~0.52
0.35~0.44 Unit:mm
6.35~6.65 5.20~5.40
0.70~0.90
2.20~2.40 0.43~0.58
0.127
5.40~5.70 2.55~2.90
2.30 0.50~0.70 4.50~4.70
4/4
0.43~0.58 Unit:mm
Rev 1.1 2007-03-29
...
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