參數(shù)資料
型號(hào): LT3574IMS#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.1 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, PLASTIC, MSOP-16
文件頁(yè)數(shù): 18/24頁(yè)
文件大小: 285K
代理商: LT3574IMS#TRPBF
LT3574
3574f
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 LT3574E is guaranteed to meet performance specifications
from 0°C to 125°C junction temperature. Specifications over the –40°C
to 125°C operating junction temperature range are assured by design
characterization and correlation with statistical process controls. The
LT3574I is guaranteed over the full –40°C to 125°C operating junction
temperature range.
Note 3: Current flows out of the RREF pin.
electrical characteristics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, unless otherwise noted.
typical perForMance characteristics
Output Voltage
Quiescent Current
Bias Pin Voltage
TA = 25°C, unless otherwise noted.
TEMPERATURE (°C)
–50
4.80
V OUT
(V)
4.85
4.95
5.00
5.05
5.20
5.15
0
50
75
4.90
5.10
–25
25
100 125
3574 G01
TEMPERATURE (°C)
–50
QUIESCENT
CURRENT
(mA)
4
5
6
25
75
3574 G02
3
2
–25
0
50
100
125
1
0
VIN = 40V
BIAS = 20V
VIN = 5V
BIAS = 5V
TEMPERATURE (°C)
–50
2.0
BIAS
VOLTAGE
(V)
2.4
2.6
2.8
3.2
0
50
75
2.2
3.0
–25
25
100 125
3574 G03
VIN = 40V
VIN = 12V
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Error Amplifier Transconductance
DI = 10A, VIN = 3V
150
mhos
Minimum Switching Frequency
VC = 0.35V
40
kHz
TC Current into RREF
RTC = 20.1k
27.5
A
BIAS Pin Voltage
IBIAS = 30mA
2.9
3
3.1
V
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