參數(shù)資料
型號(hào): LTC3538EDCB#TRM
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: 0.8 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 2 X 3 MM, PLASTIC, DFN-8
文件頁(yè)數(shù): 12/16頁(yè)
文件大小: 197K
代理商: LTC3538EDCB#TRM
LTC3538
5
3538f
TEMPERATURE (
°C)
–50
1.5
CURRENT
LIMIT
(A)
2.0
2.5
3.0
4.0
3.5
–25
0
25
50
3538 G12
75
100
LINEAR CURRENT LIMIT
PEAK CURRENT LIMIT
VIN = VOUT = 3.6V
TEMPERATURE (
°C)
–50
0.40
V
C
ON/OFF
THRESHOLD
(V)
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
050
3538 G10
100
VC ON THRESHOLD
VC OFF THRESHOLD
100
μs/DIV
VOUT
100mV/DIV
ILOAD
200mA/DIV
3538 G13
VIN = 3.3V
VOUT = 3.3V
ILOAD = 0mA TO 500mA
COUT = 22μF X5R CERAMIC
10
μs/DIV
VOUT
50mV/DIV
IL
500mA/DIV
3538 G14
VIN = 3.3V
VOUT = 3.3V
ILOAD = 10mA
COUT = 22μF X5R CERAMIC
50
μs/DIV
VOUT
100mV/DIV
BURST
2V/DIV
3538 G15
VIN = 3.3V
VOUT = 3.3V
ILOAD = 30mA
COUT = 22μF X5R CERAMIC
Current Limit vs Temperature
Load Transient in Fixed
Frequency Mode
Burst Mode Operation
Transition From Burst Mode
Operation to Fixed Frequency
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C unless otherwise noted
VC On/Off Threshold vs
Temperature
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