参数资料
型号: LT3575EFE#PBF
厂商: Linear Technology
文件页数: 3/24页
文件大小: 0K
描述: IC REG FLYBACK ISO ADJ 16TSSOP
标准包装: 95
类型: 回扫,隔离
输出类型: 可调式
输出数: 1
输出电压: 可调至 60V
输入电压: 3 V ~ 40 V
PWM 型: 电流模式,混合
频率 - 开关: 1MHz
电流 - 输出: 2.5A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
包装: 管件
供应商设备封装: 16-TSSOP-EP
配用: 732-3306-ND - BOARD EVAL FOR LT3575
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LT3575
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 12V, unless otherwise noted.
PARAMETER
I REF Reference Current
Error Ampli?er Voltage Gain
Error Ampli?er Transconductance
Minimum Switching Frequency
TC Current into R REF
BIAS Pin Voltage
CONDITIONS
Measured at R FB Pin with R REF = 6.49k
V IN = 3V
Δ I = 10μA, V IN = 3V
V C = 0.35V
R TC = 20.1k
I BIAS = 30mA
MIN
2.9
TYP
190
150
150
40
27.5
3
MAX
3.1
UNITS
μA
V/V
μmhos
kHz
μA
V
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 LT3575E is guaranteed to meet performance speci?cations
from 0°C to 125°C junction temperature. Speci?cations over the –40°C
to 125°C operating junction temperature range are assured by design
characterization and correlation with statistical process controls. The
LT3575I is guaranteed over the full –40°C to 125°C operating junction
temperature range.
Note 3: Current ?ows out of the R REF pin.
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise noted.
Output Voltage
Quiescent Current
Bias Pin Voltage
5.20
8
3.2
V IN = 40V
5.15
5.10
5.05
5.00
4.95
7
6
5
4
3
V IN = 40V WITH BIAS = 20V
V IN = 5V WITH BIAS = 5V
3.0
2.8
2.6
2.4
V IN = 12V
4.90
2
4.85
1
2.2
4.80
–50
–25
0
25
50
75
100
125
0
–50
–25
0
25
50
75
100
125
2.0
–50
–25
0
25
50
75
100
125
TEMPERATURE (°C)
3575 G01
TEMPERATURE (°C)
3575 G02
TEMPERATURE (°C)
3575 G03
3575f
3
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