參數(shù)資料
型號: LT1933IS6#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.05 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 1 MM HEIGHT, LEAD FREE, PLASTIC, EIAJ, SC-74A, TSOT-23, 6 PIN
文件頁數(shù): 16/20頁
文件大小: 357K
代理商: LT1933IS6#PBF
LT1933
5
1933fe
TYPICAL PERFORMANCE CHARACTERISTICS
Frequency Foldback
Soft-Start
SHDN Pin Current
Typical Minimum Input Voltage
Switch Current Limit
Operating Waveforms
Operating Waveforms,
Discontinuous Mode
FB PIN VOLTAGE (V)
0.0
SWITCHING
FREQUENCY
(kHz)
700
600
300
100
400
500
200
0
0.5
1933 G10
1.0
1.5
TA = 25°C
SHDN PIN VOLTAGE (V)
0
SWITCH
CURRENT
LIMIT
(A)
1.4
1.2
0.6
0.2
0.8
1.0
0.4
0
1
1933 G11
234
TA = 25°C
DC = 30%
0
SHDN
PIN
CURRENT
(
μ
A)
200
150
50
100
0
4
1933 G12
812
16
SHDN PIN VOLTAGE (V)
TA = 25°C
LOAD CURRENT (mA)
5
INPUT
VOLTAGE
(V)
6
7
8
1933 G13
4
VOUT = 5V
TA = 25°C
L = 33μH
TO START
TO RUN
1
10
100
LOAD CURRENT (mA)
4.5
INPUT
VOLTAGE
(V) 5.0
5.5
6.0
1933 G14
3.0
3.5
4.0
VOUT = 3.3V
TA = 25°C
L = 22μH
TO START
TO RUN
1
10
100
TEMPERATURE (°C)
–50
SWITCH
CURRENT
LIMIT
(A)
1.4
1.2
1.0
0.6
0
0.2
0.8
0.4
–25
0
25
1933 G15
50
75
100
150
125
VIN = 12V, VOUT = 3.3V, IOUT = 400mA,
L = 22μH, COUT = 22μF
1933 G16
VOUT 10mV/DIV
IL 200mA/DIV
VOUT1
1.8V
VOUT2
1.2V
VSW 10V/DIV
VIN = 12V, VOUT = 3.3V, IOUT = 20mA,
L = 22μH, COUT = 22μF
1933 G17
VOUT 10mV/DIV
IL 200mA/DIV
VOUT1
1.8V
VOUT2
1.2V
VSW 10V/DIV
相關PDF資料
PDF描述
LT1934IS6#PBF 0.49 A SWITCHING REGULATOR, PDSO6
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