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參數(shù)資料
| 型號(hào)： | L5953 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類(lèi)： | 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)： | 5/24頁(yè) |
| 文件大?。?/td> | 217K |
| 代理商： | L5953 |
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L5953
I
SLAVE
Slave Sink Current
100
μ
A
T
W
Output Pulse Width
300
ns
REG1 - 3.3V/5V STBY LINEAR VOLTAGE REGULATOR
V
STBY
Output Voltage
no load; ADJ pin = open
no load; ADJ pin = VSTBY pin
4.9
3.20
5
3.3
5.1
3.4
V
V
V
line
Line Regulation
no load; 7 < Vdd < 26V
5
50
mV
V
load
Load Regulation
5mA < I
o
< 250mA
12
80
mV
V
dropout
V
STCAP
- V
STBY
I
o
= 100mA, V
o
= 5V
I
o
= 100mA, V
o
= 3.3V
0.36
0.47
0.5
0.65
V
I
lim
Current Limit
Out short to GND
300
mA
SVR
Supply Voltage Rejection
V
DD
= 1Vrms: f = 300Hz
I
o
= 250mA
55
dB
REG2 - LINEAR VOLTAGE REGULATOR 1.5V to 3.3V
V
LR
Linear Regulator Output Voltage
no load; 4.75
≤
V
IN
≤
16V;
1+ (R5/R6) = 2.588
3.2
3.3
3.4
V
no load; 3.135
≤
V
IN
≤
16V;
1+ (R5/R6) = 1.176
1.45
1.5
1.55
V
IN
Input Voltage
I
O
= 150mA
1.5V
≤
V
LR
≤
2V
3.135
16
V
I
O
= 300mA
1.5V
≤
V
LR
≤
3.3V
4.75
16
V
V
load
Load Regulation
5mA
≤
I
O
≤
300mA
4.75V
≤
V
IN
≤
16V; 1.5V
≤
V
LR
≤
3.3V
12
mV
V
line
Line Regulation
no load;
4.75V
≤
V
IN
≤
16V; 1.5V
≤
V
LR
≤
3.3V
1
mV
V
ref,REG2
Voltage Reference
1.275
V
I
Lim
Current Limit
Out Short to ground
400
mA
SVR
Supply Voltage Rejection
V
IN
= 5Vdc, 0.5Vacpp, 300Hz
I
O
= 300mA;
1.5V
≤
V
LR
≤
3.3V
55
dB
V
IN
= 3.3Vdc, 0.5Vacpp, 300Hz
I
O
= 150mA;
1.5V
≤
V
LR
≤
2V
55
dB
HSD1
V
sat, peak
Saturation Voltage
I
O
= 0.5A
250
mV
I
lim
Current Limit
600
mA
L
load
Load Inductance
100
mH
ELECTRICAL CHARACTERISTCS
(continued)
( T
amb
= 25°C, V
DD
= 14.4V)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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