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參數(shù)資料
| 型號： | LT3503EDCB |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 3 MM, PLASTIC, MO-229, DFN-6 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 423K |
| 代理商： | LT3503EDCB |
3
LT3503
3503f
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switch Current Limit
(Note 3)
1.45
1.75
2.2
A
Switch VCESAT
ISW = 1A
400
mV
Switch Leakage Current
2
A
Minimum Boost Voltage Above Switch
ISW = 1A
2
2.3
V
BOOST Pin Current
ISW = 1A
25
50
mA
SHDN Input Voltage High
2.3
V
SHDN Input Voltage Low
0.3
V
SHDN Bias Current
VSHDN = 2.3V (Note 5)
6
15
A
VSHDN = 0V
0.01
0.1
A
The
● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VIN = 12V, VBOOST = 17V, unless otherwise noted. (Note 2)
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3503E is guaranteed to meet performance specifications
from 0
°C to 85°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Current limit guaranteed by design and/or correlation to static test.
Slope compensation reduces current limit at higher duty cycle.
Note 4: Current flows out of pin.
Note 5: Current flows into pin.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Efficiency (VOUT = 3.3V)
Efficiency (VOUT = 5V)
TA = 25°C unless otherwise noted.
LOAD CURRENT (A)
0
EFFICIENCY
(%)
82
86
90
0.8
3503 G01
78
74
80
84
88
76
72
70
0.2
0.4
0.6
1.0
1.2
VIN = 8V
L = 2.5
H
VIN = 12V
LOAD CURRENT (A)
0
EFFICIENCY
(%)
82
86
90
0.8
3503 G02
78
74
80
84
88
76
72
70
0.2
0.4
0.6
1.0
1.2
VIN = 12V
L = 3.3
H
VIN = 16V
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| LT3503EDCB#PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 3.6V to 20V 6-Pin DFN EP 制造商:Linear Technology 功能描述:REG SWITCHING STEP DOWN 1A 2.2MHZ 制造商:Linear Technology 功能描述:REG, SWITCHING, STEP DOWN, 1A 2.2MHZ 制造商:Linear Technology 功能描述:SP-SWREG/Monolithic, Cut Tape 1A, 2.2MHz Buck Regulator ;RoHS Compliant: Yes |
| LT3503EDCB#TR | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 3.6V to 20V 6-Pin DFN EP T/R |
| LT3503EDCB#TRMPBF | 功能描述:IC REG BUCK ADJ 1A 6DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關:2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應商設備封裝:6-SON（1.45x1） 產品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LT3503EDCB#TRPBF | 功能描述:IC REG BUCK ADJ 1A 6DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應商設備封裝:8-SOIC |
| LT3503EDCBTRMPBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Down 3.6-20V DFN6EP |
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