- 您现在的位置：买卖IC网 > PDF目录15237 > LT3757MPMSE#PBF (Linear Technology)IC REG CTRLR PWM CM 10-MSOP PDF资料下载
参数资料
| 型号： | LT3757MPMSE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/36页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR PWM CM 10-MSOP |
| 标准包装： | 50 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 电源电压： | 2.9 V ~ 40 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 是 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -55°C ~ 125°C |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 管件 |
第1页第2页当前第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页
LT3757/LT3757A
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temp-
erature range, otherwise specifications are at T A = 25°C. V IN = 24V, SHDN /UVLO = 24V, SENSE = 0V, unless otherwis e noted.
PARAMETER
V IN Operating Range
V IN Shutdown I Q
V IN Operating I Q
V IN Operating I Q with Internal LDO Disabled
SENSE Current Limit Threshold
SENSE Input Bias Current
CONDITIONS
SHDN /UVLO = 0V
SHDN /UVLO = 1.15V
V C = 0.3V, R T = 41.2k
V C = 0.3V, R T = 41.2k, INTV CC = 7.5V
Current Out of Pin
l
MIN
2.9
100
TYP
0.1
1.6
280
110
–65
MAX
40
1
6
2.2
400
120
UNITS
V
μA
μA
mA
μA
mV
μA
Error Amplifier
FBX Regulation Voltage (V FBX(REG) )
FBX Overvoltage Lockout
FBX Pin Input Current
V FBX > 0V (Note 3)
V FBX < 0V (Note 3)
V FBX > 0V (Note 4)
V FBX < 0V (Note 4)
V FBX = 1.6V (Note 3)
V FBX = –0.8V (Note 3)
l
l
1.569
–0.816
6
7
–10
1.6
–0.80
8
11
70
1.631
–0.784
10
14
100
10
V
V
%
%
nA
nA
Transconductance g m (?I VC /?V FBX )
V C Output Impedance
(Note 3)
(Note 3)
230
5
μS
MΩ
V FBX Line Regulation [?V FBX /(?V IN ? V FBX(REG) )]
V C Current Mode Gain (?V VC /?V SENSE )
V C Source Current
V C Sink Current
V FBX > 0V, 2.9V < V IN < 40V (Notes 3, 7)
V FBX < 0V, 2.9V < V IN < 40V (Notes 3, 7)
V FBX = 0V, V C = 1.5V
V FBX = 1.7V
V FBX = –0.85V
0.002
0.0025
5.5
–15
12
11
0.056
0.05
%/V
%/V
V/V
μA
μA
μA
Oscillator
Switching Frequency
RT Voltage
R T = 41.2k to GND, V FBX = 1.6V
R T = 140k to GND, V FBX = 1.6V
R T = 10.5k to GND, V FBX = 1.6V
V FBX = 1.6V
270
300
100
1000
1.2
330
kHz
kHz
kHz
V
Minimum Off-Time
Minimum On-Time
SYNC Input Low
SYNC Input High
1.5
220
220
0.4
ns
ns
V
V
SS Pull-Up Current
SS = 0V, Current Out of Pin
–10
μA
Low Dropout Regulator
INTV CC Regulation Voltage
INTV CC Undervoltage Lockout Threshold
INTV CC Overvoltage Lockout Threshold
INTV CC Current Limit
INTV CC Load Regulation (?V INTVCC / V INTVCC )
INTV CC Line Regulation ?V INTVCC /(V INTVCC ? ?V IN )
Dropout Voltage (V IN – V INTVCC )
INTV CC Current in Shutdown
Falling INTV CC
UVLO Hysteresis
V IN = 40V
V IN = 15V
0 < I INTVCC < 20mA, V IN = 8V
8V < V IN < 40V
V IN = 6V, I INTVCC = 20mA
SHDN /UVLO = 0V, INTV CC = 8V
l
7
2.6
16
30
–0.9
7.2
2.7
0.1
17.5
40
95
–0.5
0.008
400
16
7.4
2.8
55
0.03
V
V
V
V
mA
mA
%
%/V
mV
μA
3757afd
3
相关PDF资料 |
PDF描述 |
|---|---|
| GBM40DTMS-S189 | CONN EDGECARD 80POS R/A .156 SLD |
| VE-J7N-EY-F2 | CONVERTER MOD DC/DC 18.5V 50W |
| ABC13DRYH | CONN EDGECARD 26POS .100 DIP SLD |
| NCP304HSQ29T1G | IC DETECTOR VOLTAGE 2.9V SC82AB |
| UPM1E182MHD6 | CAP ALUM 1800UF 25V 20% RADIAL |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3757MPMSE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Boost, Flyback, SEPIC and Inverting Controller |
| LT3758 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Input Voltage, Boost, Flyback, SEPIC and Inverting Controller |
| LT3758A | 制造商:LINER 制造商全称:Linear Technology 功能描述:60V Low IQ Inverting DC/DC Controller Wide Operating VIN Range: 3.5V to 60V |
| LT3758AEDD#PBF | 制造商:Linear Technology 功能描述:IC REG CTRLR BST FLYBK INV 10DFN |
| LT3758AEDD#TRPBF | 制造商:Linear Technology 功能描述:IC REG CTRLR BST FLYBK INV 10DFN 制造商:Linear Technology 功能描述:SP-SWREG/Controller, High Input Voltage, Boost, Flyback, SEPIC and Inverting Con |
发布紧急采购，3分钟左右您将得到回复。