參數(shù)資料
型號: L5962
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PDSO36
封裝: ROHS COMPLAINT, SOP-36
文件頁數(shù): 1/24頁
文件大?。?/td> 242K
代理商: L5962
December 2009
Doc ID 16819 Rev 2
1
L5962
Multiple linear/switching voltage regulator for car-radio
Features
Step-down synchronous switching voltage
regulator
– Internal high-side/ Low-side NDMOS
–1.2 < Vout < 8 V selectable through external
resistors
– 1.2/2.5 A load current selected through
dedicated pin
– 185 kHz free-run frequency
– SYNC function (220 < fsw < 400 kHz)
Linear regulators
– 3.3/5 V @ 150 mA standby regulator
selected through dedicated pin
(VSTBYSEL)
– 5/8.5 V @ 350 mA switched linear regulator
enabled and selected through I2C bus
(VLR1)
– 3.3/10 V @ 1 A switched linear regulator
enabled and selected through I2C bus
(VLR2)
2 High side drivers (0.5 V max drop @ 0.5 A)
enabled through I2C bus and equipped with
protection circuit against:
– short to ground and battery
– loss of ground and battery
– unsupplied short to battery
Reset function with configurable delay (RST,
RSTDLY)
I2C bus
Enable pin to drive switching regulator and I2C
bus logic
Under/over voltage battery detector
(VBATVW)
– Under voltage threshold adjustable through
dedicated pin (LVWIN)
Load dump protection
Independent thermal protection on all
regulators
Description
L5962 is a very versatile device exploiting BCD
technology characteristics to provide a complete
set of regulated voltages covering all the needs of
a car-radio set.
In standby condition the device guarantees
extremely low quiescent current (90 A max -
40 °C < T < 85 °C) and minimum operating
voltage (4.5 V using an external Schottky diode
for the back-up function).
PowerSO36 (slug-up)
Table 1.
Device summary
Order code
Package
Packing
L5962
PowerSO36
Tray
L5962TR
PowerSO36
Tape and reel
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