l5953 STMicroelectronics, l5953 Datasheet - Page 6

• Manufacturer Part Number: l5953
• Description: Multiple Switching Voltage Regulator
• Manufacturer: STMicroelectronics

Block diagram and electrical specifications
1
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Block diagram and electrical specifications
Figure 1.
Table 2.
Table 3.
Symbol
Symbol
R
RESR
V
HSD1
HSD2
thj-case
V
V
T
VSPI
T
inlog
IRQ
I
T
SPI
DD
stg
O
op
j
DC operating supply voltage
Transient supply over voltage (250ms)
Supply voltage for SPI I/O
Voltage regulator output current
Input voltage (C, D, Q,
Output capacitor series e.g. resistance
(linear reg.) (allowed range)
Operating temperature range
Storage temperature ranges
Operative junction temperature
Thermal resistance junction to case
S1
Block diagram
Absolute maximum ratings
Thermal data
Q
VOLTAGE WARNING
SPI INTERFACE
W1
HSD1
D
S2
S
HSD2
W2
C
Parameter
Parameter
S
, SYNC)
VDD-LIN
VLR
LINEAR VOLTAGE
1.5-3.3V/300mA
REGULATOR
VDD-SW
REC2
FBLR
VIN
STCAP
ST-BY LINEAR VOLTAGE
OSCILLATOR &
STEP DOWN
REGULATOR
2.5-10V/1A
3.3-5V/250mA
REGULATOR
SYNC
SYNC
PWM
REC1
CT
Internally limited
From 0.2 to 10
RES
DGND
-55 to 150
-40 to 150
-0.6 to 30
-40 to 85
-0.6 to 6
Value
0 to 6
Value
1.7
50
D01AU1330A
FGND
VSTBY
ADJ
STRAP
DRAINOUT
VSW
GATEIN
GATEOUT
FB
COMP
SWGND
GND
°C/W
L5953
Unit
Unit
°C
°C
°C
W
V
V
V
V