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STPM066S датащи(PDF) 9 Page - STMicroelectronics

номер детали STPM066S
подробное описание детали  Power management for automotive vision and radar systems
PDF  67 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPM066S датащи(HTML) 9 Page - STMicroelectronics

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Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
BUCK
VBUCK
Input voltage range
-
4
-
32
V
VBUCK
Output voltage (no load, static)
BUCK CFG vsel<2:0> = 000
-2%
5.0
+2%
V
BUCK CFG vsel<2:0> = 001
3.6
V
BUCK CFG vsel<2:0> = 010
3.3
V
BUCK CFG vsel<2:0> = 011
1.5
V
BUCK CFG vsel<2:0> = 100
1.35
V
BUCK CFG vsel<2:0> = 101
1.2
V
BUCK CFG vsel<2:0> = 110
1.1
V
BUCK CFG vsel<2:0> = 111
1.0
V
ton_min
Min Ton internal FET
-
-
120
180
ns
trefresh
Refresh time
-
-
10
12
µs
toff_min
Min Toff internal FET
-
-
80
110
ns
PG/Vout_buck
Powergood vs Vout_buck
-
91
-
97
%
FSW
Free running frequency
BUCK CFG freqsel<4> = 0
0.34
0.4
0.46
MHz
BUCK CFG freqsel<4> = 1
2.04
2.4
2.76
MHz
∆VLINER-LOADR_VBUCK
Static line + load regulation
VIN = 6 V to 32 V, VOUT = V
ILoad = 0.3 A to 1.8 A
-1
0.45
+1
%
ILIMIT
Peak switching current
limitation
BUCK CFG cursel<3> = 0
1.35
1.8
2.3
A
BUCK CFG cursel<3> = 1
2.5
3.3
4.2
A
RonHS
High side switch on resistance -
-
120
190
mΩ
RonLS
Low side switch on resistance
-
-
110
190
mΩ
ƞ(4)
Efficiency
FSW =400 kHz, VIN=14 V, VOUT = 5 V/3.3 V,
Iload = 2 A
-
86
-
%
FSW = 2.4 MHz, VIN = 5 V, VOUT = 3.3 V,
Iload = 1 A
-
88
-
%
tSOFTSTART_BUCK
Soft start time when start up,
Vref from 0 V to 1 V
BUCK_SSCLK_SEL<10:9> = 00 default
0.35
0.45
0.5
ms
BUCK_SSCLK_SEL<10:9> = 01
0.8
1.1
1.4
ms
BUCK_SSCLK_SEL<10:9> = 10
1.7
2.2
2.7
ms
Fspread_BUCK2
Spread spectrum range
Fsw = 400 kHz
-20
-
20
%
Fsw = 2.4 MHz
-4
-
4
%
tSR_PH(4)
Output stage slew rate when
FSW = 400 kHz
VIN = 14 V, Iload = 1.8 A, VOUT = 3.3 V
BUCK_OUTPUT_SR<5:4> = 00
-
10
-
ns
BUCK_OUTPUT_SR<5:4> = 01
-
20
-
ns
Output stage slew rate when
FSW = 2.4 MHz
VIN = 5 V, Iload = 1 A, VOUT = 3.3 V
-
10
-
ns
BOOST
VIN_BOOST
Input voltage range
-
3.0
-
5.5
V
ILEAKAGE
Leakage current
No load
-
-
1
mA
VBOOST
Output voltage
BOOST CFG vsel<0> = 0
-2%
5
+2%
V
STPM066S
Electrical characteristics
DS12976 - Rev 2
page 9/67



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