參數(shù)資料
型號(hào): L5980TR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 1.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 3 X 3 MM, 1.08 MM HEIGHT, ROHS COMPLIANT, VFQFPN-8
文件頁數(shù): 27/42頁
文件大?。?/td> 1188K
代理商: L5980TR
L5980
Application information
Doc ID 13003 Rev 6
33/42
Figure 28.
Load regulation
Figure 29.
Line regulation
Figure 30.
Short circuit behavior
Figure 31.
Load transient: from 0.1 A to 0.7 A
Figure 32.
Soft-start
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Io [A]
Δ
V
FB
/V
FB
[%
]
VCC=3.3V
VCC=12V
VCC=5.0V
FSW=250KHz
-0.05
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
2
4
6
8
10
12
14
16
18
VCC [V]
Δ
V
F
B/
VFB
[
%
]
Io=0.7A
-0.05
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
2
4
6
8
10
12
14
16
18
VCC [V]
Δ
V
F
B/
VFB
[
%
]
Io=0.7A
OUT
10V/div
I
L
250mA/div
VOUT
1V/div
OUTPUT
SHORTED
Time base 5ms/div
OUT
10V/div
I
L
250mA/div
VOUT
1V/div
OUTPUT
SHORTED
OUT
10V/div
I
L
250mA/div
VOUT
1V/div
OUTPUT
SHORTED
Time base 5ms/div
OUT
10V/div
I
L
250mA/div
VOUT
1V/div
OUTPUT
SHORTED
OUT
10V/div
I
L
250mA/div
VOUT
1V/div
OUTPUT
SHORTED
Time base 5ms/div
OUT
10V/div
I
L
250mA/div
VOUT
1V/div
OUTPUT
SHORTED
OUT
10V/div
I
L
250mA/div
VOUT
1V/div
OUTPUT
SHORTED
Time base 5ms/div
I
L
200mA/div
V
OUT
50mV/div
AC coupled
C
OUT=47μF
L=15
μH
F
SW=520KHz
Time base 100
μs/div
Load slew rate 2.5A/
μs
I
L
200mA/div
V
OUT
50mV/div
AC coupled
C
OUT=47μF
L=15
μH
F
SW=520KHz
Time base 100
μs/div
Load slew rate 2.5A/
μs
V
OUT
500mV/div
V
FB
200mV/div
I
L
500mA/div
Time base 1ms/div
V
OUT
500mV/div
V
FB
200mV/div
I
L
500mA/div
Time base 1ms/div
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