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AC/DC TL431
PFM
SOT23-6
PSR CS
Rs VDD
1 CC/CV
AC AC
CV CC
5% TL431
1uA VDD OVP
LEB UVLO
1
AC/DC PC TV
/ RCC LED
SOT23 6
SOT23 6
2
VDD VC BASE CS FB
/ /
Tj 10
I/O 1 GND P 2 CS I 3 BASE O 4 FB I
5 VC I 6 VDD P
-0.3 -0.3 -0.3 -0.3 -0.3 -40 -55 260
30V 7V 7V 7V 7V 150 150
BJT
3
TA=25 VDD=15V
VDD
IDD ST IDD OP UVLO
ON
VDD
UVLO OFF VDD
VDD_MAX
VDD
VDD_OVP
TLEB Vth_ocp Td_oc FB Vref_fb
LEB OCP
Tpause_min Tpause_max I_comp_cable
VDD=11V VDD=15V VDD VDD IDD=10mA
6.0 11.5
25
1 600
12.8
27
3 700 7.6 13.5 25 29
uA uA V V V V
500 ns 480 500 515 mV
100 ns
1.97 2
2.03 V
2 US 8 10 12 MS 42 48 uA
Is_max Is_preoff Rdson_l
Pre-off
20 0.5
1
40 mA 1.
BF2520 Datasheet
