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L99LD02 датащи(PDF) 55 Page - STMicroelectronics

номер детали L99LD02
подробное описание детали  Automotive dual-phase boost DC/DC controller
PDF  66 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99LD02 датащи(HTML) 55 Page - STMicroelectronics

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DS12448 Rev 3
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L99LD02
Electrical specifications
64
VBST_OCP_LIM [00]
Boost shunt threshold
voltage for current
limitation.
VBST_OUT = 25 V
VSN = 0 V
[0,0]
Ramp on SP
from 25 mV to
75 mV in 5ms
50
mV
Accuracy
-28
28
%
VBST_OCP_LIM [01]
[0,1]
Ramp on SP
from 55 mV to
105 mV in
5ms
85
mV
Accuracy
-15
15
%
VBST_OCP_LIM [10]
[1,0]
Ramp on SP
from 95 mV to
145 mV in
5ms
115
mV
Accuracy
-12
12
%
VBST_OCP_LIM [11]
[1,1]
Ramp on SP
from 125 mV
to 175 mV in
5ms
150
mV
Accuracy
-10
10
%
tON_BOOST_MIN
Minimum boost on-time
Vs = 13.5 V
VDD = 5 V
Boost active in open loop
BST_FREQ set to [111]
VSP1, VSP2 = 0.3 V
VSN1, VSN2 = 0 V
VCOMP = 0 V
250
340
ns
tOFF_BOOST_MIN Minimum boost off-time
Vs = 13.5 V
VDD = 5 V
Boost active in open loop
BST_FREQ set to [111]
VSP1, VSP2 = 0 V
VSN1, VSN2 = 0 V
VCOMP = 3 V
200
ns
DBOOST_MAX
Boost maximum duty cycle
95
%
tSS
Soft start duration
Guaranteed by scan and
frequency oscillator (20 MHz,
typical)
8ms
Table 36. Boost controller (continued)
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit



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