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FS23 Scheda tecnica(PDF) 38 Page - NXP Semiconductors

Il numero della parte FS23
Spiegazioni elettronici  Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers
PDF  230 Pages
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Produttore elettronici  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo NXP - NXP Semiconductors

FS23 Scheda tecnica(HTML) 38 Page - NXP Semiconductors

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NXP Semiconductors
FS23
Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers
TA = –40 °C to 125 °C, unless otherwise specified. V1_IN = VBUCK_IN (min) to 36 V, unless otherwise specified. All voltages referenced to ground.
Symbol
Description
Min
Typ
Max
Unit
di/dt = 300 mA/µs
VBUCK_LOTR_PFM
Transient load response in PFM mode
mA to 100 mA step
di/dt = 100 mA/µs
-3
-
3
%
tBUCKHS_SLR
High-side FET rising slew rate
BUCK_SRHSON_OTP[2:0] = 000 (for 450 kHz only)
BUCK_SRHSON_OTP[2:0] = 001 (for 450 kHz only)
BUCK_SRHSON_OTP[2:0] = 010 (for 450 kHz only)
BUCK_SRHSON_OTP[2:0] = 011
BUCK_SRHSON_OTP[2:0] = 100
BUCK_SRHSON_OTP[2:0] = 101
BUCK_SRHSON_OTP[2:0] = 110
BUCK_SRHSON_OTP[2:0] = 111
10
10
7
4.1
3
2.5
1.5
0.5
20
20
15
10
6.3
5
3
2
32
32
23.7
15
12
10
6
4
ns
tBUCKHS_SLF
High-side FET rising slew rate
BUCK_SRHSOFF_OTP[1:0] = 00 (for 450 kHz only)
BUCK_SRHSOFF_OTP[1:0] = 01 (for 450 kHz only)
BUCK_SRHSOFF_OTP[1:0] = 10
BUCK_SRHSOFF_OTP[1:0] = 11
13
10
6.4
2.5
20
15
10
5
29
21.5
14
9
ns
tBUCKHS_ON_450k_5V
High-side FET ON time in PFM mode, VBUCK = 5 V, VBUCK_IN = 12 V, FSW = 450 kHz
BUCK_PFM_TON_OTP[1:0] = 00
BUCK_PFM_TON_OTP[1:0] = 01
BUCK_PFM_TON_OTP[1:0] = 10
BUCK_PFM_TON_OTP[1:0] = 11
842
1050
1255
1465
1021
1272.5
1632.5
1772.5
1200
1495
2010
2080
ns
tBUCKHS_ON_450k_3V3
High-side FET ON time in PFM mode, VBUCK = 3.3 V, VBUCK_IN = 12 V, FSW = 450 kHz
BUCK_PFM_TON_OTP[1:0] = 00
BUCK_PFM_TON_OTP[1:0] = 01
BUCK_PFM_TON_OTP[1:0] = 10
BUCK_PFM_TON_OTP[1:0] = 11
687
858
1026
1195
820
1023
1221
1422.5
953
1188
1426
1650
ns
tBUCKHS_ON_2M2_5V
High-side FET ON time in PFM mode, VBUCK = 5 V, VBUCK_IN = 12 V, FSW = 2.2 MHz
BUCK_PFM_TON_OTP[1:0] = 00
BUCK_PFM_TON_OTP[1:0] = 01
BUCK_PFM_TON_OTP[1:0] = 10
BUCK_PFM_TON_OTP[1:0] = 11
160
205
254
303
205
263.5
324.5
386
250
322
395
469
ns
tBUCKHS_ON_2M2_3V3
High-side FET ON time in PFM mode, VBUCK = 3.3 V, VBUCK_IN = 12 V, FSW = 2.2 MHz
BUCK_PFM_TON_OTP[1:0] = 00
BUCK_PFM_TON_OTP[1:0] = 01
BUCK_PFM_TON_OTP[1:0] = 10
BUCK_PFM_TON_OTP[1:0] = 11
129
165
204
243
162.5
209
257
305
196
253
310
367
ns
tBUCKHS_OFF_450k
High-side FET OFF time in PFM mode, VBUCK_IN = 12 V, FSW = 450 kHz
BUCK_PFM_TOFF_OTP[1:0] = 00
BUCK_PFM_TOFF_OTP[1:0] = 01
BUCK_PFM_TOFF_OTP[1:0] = 10
BUCK_PFM_TOFF_OTP[1:0] = 11
380
730
1070
1420
605
1170
1725
2285
890
1700
2520
3340
ns
tBUCKHS_OFF_2M2
High-side FET OFF time in PFM mode, VBUCK_IN = 12 V, FSW = 2.2 MHz
BUCK_PFM_TOFF_OTP[1:0] = 00
BUCK_PFM_TOFF_OTP[1:0] = 01
BUCK_PFM_TOFF_OTP[1:0] = 10
BUCK_PFM_TOFF_OTP[1:0] = 11
85
160
230
300
130
250
360
475
195
360
525
695
ns
tBUCK_DVS
BUCK_LP_DVS_OTP[1:0] = 00 (for 2.2 MHz only)
BUCK_LP_DVS_OTP[1:0] = 01 (for 2.2 MHz only)
BUCK_LP_DVS_OTP[1:0] = 10
BUCK_LP_DVS_OTP[1:0] = 11
18
9
4.5
2.25
22.5
11.5
5.625
2.8125
27
13.5
6.75
3.375
mV/µs
External components
CIN_BUCK
Effective[2] input capacitor
4.7
10
-
µF
CBOOT_BUCK
Effective[2] bootstrap capacitor
10
22
33
nF
LBUCK_450k
Nominal inductor for FSW_BUCK = 450 kHz (±30 % tolerance)
15
22
29
µH
LBUCK_2M2
Nominal inductor for FSW_BUCK = 2.2 MHz (±30 % tolerance)
3.3
4.7
5.5
µH
COUT_BUCK_450k_3V3
Effective[2] output capacitor for FSW_BUCK = 450 kHz, VBUCK = 3.3 V
25
50
100
µF
COUT_BUCK_450k_5V
Effective[2] output capacitor for FSW_BUCK = 450 kHz, VBUCK = 5 V
25
40
100
µF
COUT_BUCK_2M2_3V3
Effective[2] output capacitor for FSW_BUCK = 2.2 MHz, VBUCK = 3.3 V
6.5
10
30
µF
COUT_BUCK_2M2_5V
Effective[2] output capacitor for FSW_BUCK = 2.2 MHz, VBUCK = 5 V
13
20
40
µF
Internal oscillator
F20MHz
HVBUCK oscillator nominal frequency
19
20
21
MHz
Table 15. Electrical characteristics...continued
FS23
All information provided in this document is subject to legal disclaimers.
© 2024 NXP B.V. All rights reserved.
Product data sheet
Rev. 7.0 — 16 October 2024
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