參數(shù)資料
型號: LTC3527EUD#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.8 A DUAL SWITCHING CONTROLLER, 2800 kHz SWITCHING FREQ-MAX, PQCC16
封裝: 3 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-220WEED-2, QFN-16
文件頁數(shù): 19/22頁
文件大小: 359K
代理商: LTC3527EUD#TR
LTC3527/LTC3527-1
6
35271fc
TEMPERATURE (°C)
–45
CURRENT
LIMIT
(A)
0.90
1.00
1.10
75
0.80
0.70
0.50
–15
15
45
–30
90
0
30
60
0.60
1.30
1.20
35271 G17
CONVERTER1
CONVERTER2
VIN = 1.2V
VOUT = 3.3V
TEMPERATURE (°C)
–55
1.185
FB
VOLTAGE
(V)
1.190
1.205
1.200
1.195
–35 –15
5
25
45
65
85 105 125
35271 G18
TEMPERATURE (°C)
0.45
VOLTAGE
(V)
0.50
0.55
0.60
0.65
0.75
–50
–30
10
–10
30
50
70
90
0.70
35271 G19
VOUT (V)
1.5
10
I Q
(μA)
11
13
14
15
2.5
3.5
4
12
16
2
3
4.5
5
35271 G20
VIN = 1.2V
VOUT (V)
1.5
0.30
R
DS(ON)
(Ω)
0.50
0.90
2.5
3.5
4
0.40
0.70
0.80
0.60
2
3
4.5
5
35271 G21
PMOS2
NMOS2
PMOS1
NMOS1
TEMPERATURE (°C)
–45
R
DS(ON)
(Ω)
0.50
0.60
75
0.40
0.30
–15
15
45
–30
90
0
30
60
0.70
35271 G22
PMOS2
NMOS2
PMOS1
NMOS1
500μs/DIV
SW1 PIN
2V/DIV
VOUT1
10mV/DIV
AC-COUPLED
35271 G23
VIN1 = 1.2V
VOUT1 = 3.3V AT 100mA
COUT1 = 10μF
10μs/DIV
SW1 PIN
2V/DIV
INDUCTOR
CURRENT
200mA/DIV
VOUT1
50mV/DIV
AC-COUPLED
35271 G24
VIN1 = 1.2V
VOUT1 = 3.3V
COUT1 = 10μF
TYPICAL PERFORMANCE CHARACTERISTICS
Start-Up Voltage vs Temperature
Burst Mode Quiescent Current
vs VOUT
RDS(ON) (NMOS and PMOS)
vs VOUT
RDS(ON) (NMOS and PMOS)
Change vs Temperature
Fixed Frequency Switching
Waveform and VOUT Ripple
Burst Mode Waveforms
Feedback Voltage vs Temperature
Current Limit vs Temperature
(TA = 25°C, unless otherwise noted)
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