參數(shù)資料
型號(hào): LTC3542ES6
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6
封裝: PLASTIC, MO-193, TSOT-23, 6 PIN
文件頁數(shù): 11/16頁
文件大?。?/td> 263K
代理商: LTC3542ES6
LTC3542
4
3542f
Start-Up from Shutdown
Load Step
Reference Voltage
vs Temperature
Oscillator Frequency
vs Temperature
Oscillator Frequency
vs Supply Voltage
Output Voltage vs Supply Voltage
Output Voltage vs Load Current
RDS(ON) vs Input Voltage
RUN
2V/DIV
IL
500mA/DIV
VIN = 3.6V
VOUT = 1.8V
ILOAD = 500mA
FIGURE 3a CIRCUIT
400
s/DIV
3542 G04
VOUT
1V/DIV
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
VIN = 3.6V
VOUT = 1.8V
ILOAD = 30mA TO 500mA
FIGURE 3a CIRCUIT
20
s/DIV
3542 G05
ILOAD
500mA/DIV
Load Step
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
VIN = 3.6V
VOUT = 1.8V
ILOAD = 0mA TO 500mA
FIGURE 3a CIRCUIT
20
s/DIV
3542 G06
ILOAD
500mA/DIV
TEMPERATURE (
°C)
–50
V
REF
(V)
0.6100
0.6075
0.6050
0.6025
0.6000
0.5975
0.5950
0.5925
0.5900
0.5875
0.5850
0.5825
0.6125
0.6150
0
50
75
3542 G07
–25
25
100
125
INPUT VOLTAGE (V)
2
–0.5
V
OUT
ERROR
(%)
–0.4
–0.2
–0.1
0
0.5
0.2
3
4
4.5
3542 G10
–0.3
0.3
0.4
0.1
2.5
3.5
5
5.5
6
VOUT = 1.8V
IOUT = 100mA
LOAD CURRENT (mA)
1
0
V
OUT
ERROR
(%)
1.0
2.0
10
100
1000
3542 G11
–1.0
–0.5
0.5
1.5
–1.5
–2.0
Burst Mode
OPERATION
VIN = 3.6V
VOUT = 1.8V
PULSE SKIP
MODE
VIN (V)
1
0
R
DS(ON)
(9
)
0.1
0.3
0.4
0.5
5
0.9
3542 G12
0.2
3
26
47
0.6
0.7
0.8
SYNCHRONOUS
SWITCH
MAIN SWITCH
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TA = 25°C unless otherwise specied.
TEMPERATURE (
°C)
–50 –30 –10 10
30
50
70
90 110
1.8
FREQUENCY
(MHz)
1.9
2.1
2.2
2.3
2.7
3542 G08
2.0
2.4
2.5
2.6
SUPPLY VOLTAGE (V)
FREQUENCY
(MHz)
2.2
2.3
2.4
56
3542 G09
2.1
2.0
1.8
2
3
4
1.9
2.7
2.5
2.6
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