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L5953 数据表(PDF) 11 Page - STMicroelectronics

部件名 L5953
功能描述  Multiple switching voltage regulator
PDF  31 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5953 数据表(HTML) 11 Page - STMicroelectronics

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L5953
Block diagram and electrical specifications
11/31
IRH
Reset output leakage
VRT = VSTBY
10
μA
VCTth
Delay comparator threshold
0.5 x
VSTBY
VCThy
Delay comparator threshold
hysteresis
180
mV
ICT1
Timing capacitor output source
current
7.5
μA
RCT2
Timing capacitor output pull-down
equivalent resistor
150
Ω
Table 5.
Electrical characteristics (continued) (Tamb = 25°C, VDD = 14.4V)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Table 6.
Diagnostic parameters
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
HSD1W1
High side driver 1 overcurrent
warning activation
1A
HSD1W2
High side driver 1 open load
warning activation
HSD1 output voltage in test mode
3
V
HSD1W2
TEST
High side driver 1 vdd short
warning activation in test mode
HSD1 in test mode
measure VVDD-LIN-VHSD1
11.5
2
V
HSD2W1
High side driver 2 overcurrent
warning activation
0.5
A
HSD2W2
High side driver 2 open load
warning activation
HSD2 output voltage in test mode
3
V
HSD2W3
High side driver 2 vdd short
warning activation in test mode
HSD2 in test mode
measure VVDD-LIN-VHSD1
11.5
2
V
THW
Thermal warning activation
145
°C
IRQ - Interrupt request pin
IRQ-L
IRQ low voltage
Io = 1mA
0.4
V
IRQ-H
IRQ leakage
Virq = 5V
1
μA
Table 7.
SPI interface
Symbol
Alt
Parameter
Test conditions
Min.
Max.
Unit
Recommended DC operating voltage
VSPI
Supply voltage for SPI I/O
3
5.5
V
Input parameters (Tamb = 25°C, f = 1MHz)
CIN
Input capacitance (D)
8
pF
CIN
Input capacitance (others pins)
6
pF
tLPF
Input signal pulse width
10
ns



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