參數(shù)資料
型號(hào)： L5953
廠商： 意法半導(dǎo)體
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： MULTIPLE SWITCHING VOLTAGE REGULATOR
中文描述： 多重開(kāi)關(guān)穩(wěn)壓
文件頁(yè)數(shù)： 4/24頁(yè)
文件大小： 217K
代理商： L5953
L5953
4/24
ELECTRICAL CHARACTERISTCS
( T
amb
= 25°C, V
DD
= 14.4V)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
I
Q,STBY
Quiescent current with regulators
and High-side drivers off
W1, W2, RES, IRQ, not active;
REG2, HSD1, HSD2, PWM off;
S, C, D fixed at high/low logic
level
100
μ
A
T
sd
Thermal Shutdown Junction
Temperature
150
°C
SMPS.PWM
T
amb
= 25°C, V
DD
= 14.4V, V
o
= 5V; unless otherwise specified.)
V
o,min
Minimum Output Voltage
I
o
= 200mA
2.4
2.5
2.6
V
V
o,max
Maximum Output Voltage
I
o
= 200mA
9.6
10
10.4
V
Vref,PWM
Voltage Reference
1.275
V
V
i
Input Voltage Range
V
o
= 5V; I
o
= 0.5A
6
18
V
V
o
Line Regulation
I
o
= 0.5A
100
mV
V
o
Load Regulation
V
o
= 5V; I
o
= 0.2A to 0.5A
50
mV
V
d
Dropout Voltage between Pin 19
and Pin 23
I
o
= 0.5A, V
o
= 5V
0.5
V
I
o
= 1A, V
o
= 5V
1
V
I
Lim
Current Limit
1.5
A
η
Efficiency
f = 260kHz; I
o
= 0.5A
f = 400kHz; I
o
= 0.5A
90
86
%
%
SVR
Supply Voltage Ripple Rejection
V
i
= 1Vrms;
f
ripple
= 300Hz; I
o
= 0.4A
50
dB
OSCILLATOR
f
1
Swiching frequency
249
260
271
kHz
f
2
Swiching frequency
384
400
416
kHz
Voltage Stability of Switching
Frequency
V
DD
= 8 to 18V
Tbd
%
Temperature Stability of Switching
Frequency
T
j
= -40°C to 85°C
Tbd
%
SYNC
V
IL
Low Input Voltage
0.8
V
V
IH
High Input Voltage
2
V
V
OL
Low Output Voltage
0.4
V
V
OH
High Output Voltage
I
SOURCE
=1.5mA
4
V
f
V
i
--------
f
T
j
--------
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L5953_07 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multiple switching voltage regulator
L5954 功能描述:低壓差穩(wěn)壓器 - LDO Airbag App Specific Voltage Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
L5955 功能描述:多媒體雜項(xiàng) Multifunction Voltage Regulator RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube
L5956 功能描述:多媒體雜項(xiàng) Multifunction Voltage Regulator RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube
L5956_11 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multifunction voltage regulator for car radio
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