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L5965 Datasheet(PDF) 12 Page - STMicroelectronics

Part # L5965
Description  Power management for automotive vision and radar systems
PDF  73 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5965 Datasheet(HTML) 12 Page - STMicroelectronics

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Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VOUT_BUCK4
Output voltage
(no load, static)
OTP = 010
-2.5%
+2.5%
1.35
V
OTP = 011
1.3
V
OTP = 100
1.25
V
OTP = 101
1.2
V
OTP = 110
1.12
V
OTP = 111
1.1
V
ton_min
-
-
-
70
-
ns
∆VBUCK4/VBUCK4(4)
Undershoot
Load = 0.3 A to 0.6 A ∆t = 10 µs, VIN = 3.3
V
-5
-
5
%
∆VLINER-LOADR_VBUCK4
Static line + load regulation
Load = 0.3 A to 0.6 A
-
0.1
-
%
ILIMIT
Peak switching current limitation
-
1
1.35
1.9
A
RonHS
High side switch on resistance
-
-
150
250
mΩ
RonLS
Low side switch on resistance
-
-
120
220
mΩ
ƞ(4)
Efficiency
FSW = 2.4 MHz, VIN = 3.3 V, VOUT = 1.8 V,
Iload = 0.6 A
-
85
-
%
tSOFTSTART_BUCK4
Soft start time when start up, Vref
from 0 V to 1 V
SPI = 00
0.35
0.45
0.55
ms
SPI = 01
0.8
1.1
1.4
ms
SPI = 10
1.8
2.2
2.6
ms
Fspread_BUCK4
Spread spectrum range
Fsw=2.4 MHz
-4%
-
4%
–
PhiBUCK4
Phase shift to BUCK1
-
-
270
-
deg
Fsw_BUCK4
Free-run switching frequency
-
2.04
2.4
2.76
MHz
tSR_PH4(4)
Output stage slew rate when fSW
= 2.4 MHz
VIN = 3.3 V, Iload = 0.6 A, VOUT = 1.8 V
-
10
-
ns
BOOST
VIN_BOOST
Input voltage range
-
3.0
-
5.5
V
VBOOST
Output voltage
OTP = 0
-2.5%
5
+2.5%
V
OTP = 1
7
V
IBOOST_limit
Switch current limitation
-
500
-
1200
mA
FSW_BOOST
Switching frequency
-
2.04
2.4
2.76
MHz
PhSBOOST
Phase shift to BUCK1
-
-
270
-
deg
Fspread_BOOST
Spread spectrum range
FSW = 2.4 MHz
-4%
-
4%
*fSW
tSS_BOOST
Soft start time
SPI = 00 default
0.4
0.5
0.6
ms
SPI = 01
0.9
1.2
1.5
ms
SPI = 10
1.8
2.4
3
ms
RDSON_BOOST
LS RDSON
-
-
400
700
mΩ
ƞBOOST(4)
Efficiency
FSW = 2.4 MHz, VIN = 3.3 V, VOUT = 5 V,
Load = 200 mA
-
87
-
%
LDO
VSLDO
Input voltage range
-
1.8
-
6
V
VLDO
Output voltage
OTP = 000
-2.5%
5.0
+2.5%
V
OTP = 001
3.3
V
L5965
Electrical characteristics
DS12567 - Rev 3
page 12/73



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