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L99LD02 датащи(PDF) 57 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) 57 Page - STMicroelectronics

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L99LD02
Electrical specifications
64
Vcomp_max(1)
Maximum value for boost
output regulation
Vs = 13.5 V
VDD = 5 V
Boost active in closed loop
Ramp on BST_OUT from 14.7 V
to 80 V
Load on BST_OUT = 136 Ω
BST_FREQ = 303 KHz
RSLOPE = 3 kΩ
GM_OTA = 200 µS
3(2)
V
Icomp_leak
Comp output leakage if
boost is deactivated
Error Amplifier disabled, high-
impedance tri-state
1µA
1. Parameter guaranteed by design and characterization - not subject to production test.
2. Vcomp_max value is also achieved performing the test in open load.
Table 36. Boost controller (continued)
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Table 37. Boost controller reference voltage
Symbol
Parameter
Test conditions
Min
Typ
Max Unit
VBST_OUT_OV_ON
Boost output
overvoltage activation
threshold
Vs = 13.5 V
VDD = 5 V
Ramp on BST_OUT pin
from 77 V up to 85 V
80.5 1.03 * VBST_OUT[1111111] 85.8
V
VBST_OUT_OV_OFF
Boost output
overvoltage
de-activation threshold
Vs = 13.5 V
VDD = 5 V
Ramp on BST_OUT pin
from 85 V down to 77 V
76.9
VBST_OUT [1111111]
82
V



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