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參數資料
| 型號： | L296P |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 7 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PZFM15 |
| 封裝： | PLASTIC, POWER PACK-15 |
| 文件頁數： | 18/22頁 |
| 文件大?。?/td> | 285K |
| 代理商： | L296P |
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth j-case
Thermal Resistance Junction-case
Max.
3
°C/W
Rth j-amb
Thermal Resistance Junction-ambient
Max.
35
°C/W
ELECTRICAL CHARACTERISTICS
(refer to the test circuits Tj =25
oC, Vi = 35V, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ. Max.
Unit
Fig.
DYNAMIC CHARACTERISTICS (pin 6 to GND unless otherwise specified)
Vo
Output Voltage Range
Vi = 46V, Io =1A
Vref
40
V
4
Vi
Input Voltage Range
Vo =Vref to 36V, Io
≤ 3A
9
46
V
4
Vi
Input Voltage Range
Note (1), Vo =VREF to 36V Io =4A
46
V
4
Vo
Line Regulation
Vi =10V to 40V, Vo =Vref,Io =2A
15
50
mV
4
Vo
Load Regulation
Vo =Vref
Io =2A to 4A
Io = 0.5A to 4A
10
15
30
45
mV
4
Vref
Internal Reference Voltage (pin 10) Vi = 9V to 46V, Io = 2A
5
5.1
5.2
V
4
Vref
T
Average Temperature Coefficient
of Reference Voltage
Tj =0
°C to 125°C, Io = 2A
0.4
mV/
°C
Vd
Dropout Voltage Between Pin 2
and Pin 3
Io =4A
Io =2A
2
1.3
3.2
2.1
V
4
I2L
Current Limiting Threshold (pin 2)
L296 - Pin 4 Open,
Vi = 9V to 40V, Vo =Vref to 36V
4.5
7.5
A
4
L296P - Vi = 9V to 40V, Vo =Vref
Pin 4 Open
RIim = 22k
5
2.5
7
4.5
A4
ISH
Input Average Current
Vi = 46V, Output Short-circuited
60
100
mA
4
η
Efficiency
Io =3 A
Vo =Vref
Vo = 12V
75
85
%4
SVR
Supply Voltage Ripple Rejection
Vi =2 Vrms,fripple = 100Hz
Vo =Vref,Io =2A
50
56
dB
4
f
Switching Frequency
85
100
115
kHz
4
f
Vi
Voltage Stability of Switching
Frequency
Vi = 9V to 46V
0.5
%
4
f
Tj
Temperature Stability of Switching
Frequency
Tj =0
°C to 125°C1
%
4
fmax
Maximum Operating Switching
Frequency
Vo =Vref,Io = 1A
200
kHz
–
Tsd
Thermal Shutdown Junction
Temperature
Note (2)
135
145
°C–
DC CHARACTERISTICS
I3Q
Quiescent Drain Current
Vi = 46V, V7 = 0V, S1 : B, S2 : B
V6 =0V
V6 =3V
66
30
85
40
mA
–I2L
Output Leakage Current
Vi = 46V, V6 = 3V, S1 : B, S2 : A,
V7 =0V
2mA
Note
(1) : Using min. 7 A schottky diode.
(2) : Guaranteed by design, not 100 % tested in production.
L296 - L296P
5/22
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