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FS26 Datenblatt(PDF) 92 Page - NXP Semiconductors

Teilenummer FS26
Bauteilbeschribung  Safety system basis chip with low power for ASIL D/ASIL B
PDF  156 Pages
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FS26 Datenblatt(HTML) 92 Page - NXP Semiconductors

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NXP Semiconductors
FS26
Safety system basis chip with low power for ASIL D/ASIL B
[4]
For all regulators, the effective value is the value after tolerance, temperature, DC bias and aging removal.
18.2.2 VPRE efficiency in forced PWM mode
For information, VPRE efficiency versus current load measurement is given based on external components and
configuration listed below. If the conditions are different, the new efficiency should be calculated using the FS26
power dissipation tool calculator.
Ext. C and L
CIN_PRE
20
µF
CIN_PRE_ESR
5
mΩ
COUT_PRE
44
µF
COUT_PRE_ESR
2.5
mΩ
LVPRE_450kHz
10
µH
LVPRE_DCR_450kHz
75
mΩ
LVPRE_2.25MHz
2.2
µH
LVPRE_DCR_2.25MHz
40
mΩ
CBOOT_PRE_MIN
22
nF
Int. MOSFETs
RHS_VPRE
310
mΩ
QHS
0.8
nC
RLS_VPRE
170
mΩ
QLS
1
nC
LSBODY_DIODE
0.8
V
VDRIVE
VBOS
V
Configuration
VPRE_IN
14
V
VPRE_SR_OTP[1:0]
00
Table 101. VPRE efficiency in forced PWM mode
IPRE (A)
0
1.5
1.0
0.5
aaa-045515
80
90
100
VPREPWM
efficiency
(%)
70
VPRE = 3.3 V
VPRE = 6 V
VPRE = 5 V
Figure 25. VPRE efficiency at VPRE_CLK_OTP = 0
 
FS26_SDS
All information provided in this document is subject to legal disclaimers.
© 2025 NXP B.V. All rights reserved.
Product short data sheet
Rev. 6.0 — 12 December 2025
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