參數(shù)資料
型號(hào): LTC3569EUDC#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 2.5 A SWITCHING REGULATOR, 3000 kHz SWITCHING FREQ-MAX, PQCC20
封裝: 3 X 4 MM, LEAD FREE, PLASTIC, QFN-20
文件頁數(shù): 23/26頁
文件大?。?/td> 468K
代理商: LTC3569EUDC#TRPBF
LTC3569
6
3569fd
TYPICAL PERFORMANCE CHARACTERISTICS
Line Regulation
FB Pin Leakage
IQSD vs Temperature
VSUPPLY (V)
2
V OUT
ERROR
(%)
0.15
0.05
0.10
–0.05
0.00
–0.10
–0.15
4
3569 G16
6
5
3
BUCK2 = 1.2V
BUCK1 = 1.8V
BUCK3 = 1.5V
PULSE-SKIPPING MODE
ILOAD1 = 200mA
ILOAD2, 3 = 150mA
EACH BUCK TESTED INDIVIDUALLY
VFB (V)
0
I FB
(nA)
1000
10
100
0.1
1
0.01
0.001
4
3569 G17
6
5
3
2
1
SLAVE
DETECTOR = 250nA
IFB2,3
IFB1
VIN = 5.5V
TEMPERATURE (°C)
–50
I SVIN
(nA)
10000
1000
10
100
1
0.1
50
3569 G18
150
100
0
VIN = 5.5V
TA = 25°C, unless otherwise noted.
Buck1 Load Regulation
Buck2 Load Regulation
Buck3 Load Regulation
ILOAD (A)
0
V OUT
ERROR
(%)
0.6
0.0
0.2
0.4
–0.4
–0.2
–0.6
0.6
3569 G13
1.2
0.8
1
0.2
0.4
VIN = 5.5V
VIN = 4.5V
VIN = 3.5V
VIN = 2.5V
PULSE-SKIPPING
BUCK2, 3 OFF
ILOAD (A)
0
V OUT
ERROR
(%)
0.6
0.0
0.2
0.4
–0.4
–0.2
–0.6
0.3
3569 G14
0.6
0.4
0.5
0.1
0.2
VIN = 5.5V
VIN = 4.5V
VIN = 3.5V
VIN = 2.5V
BUCK1, 3 OFF
PULSE-SKIPPING
ILOAD (A)
0
V OUT
ERROR
(%)
0.6
0.0
0.2
0.4
–0.4
–0.2
–0.6
0.3
3569 G15
0.6
0.4
0.5
0.1
0.2
BUCK1, 2 OFF
VOUT3 = 1.5V
PULSE-SKIPPING
相關(guān)PDF資料
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