参数资料
| 型号： | LT3825EFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/32页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK ISO 16-TSSOP |
| 标准包装： | 95 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 250kHz |
| 占空比： | 88% |
| 电源电压： | 11 V ~ 18 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 管件 |
| 产品目录页面： | 1332 (CN2011-ZH PDF) |
第1页当前第2页第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
LT3825
17
12 SENSE +
5
SYNC
ABSOLUTEMAXIMUMRATINGS
(Note 1)
V CC to GND
Low Impedance Source ........................ –0.3V to 18V
Current Fed
(V CC Has Internal 19.5V Clamp) ...........30mA Into V CC
UVLO, SYNC Pin Voltage ........................... –0.3V to V CC
SENSE – , SENSE + Pin Voltage ......................–0.5V, +0.5V
FB Pin Current........................................................±2mA
V C Pin Current ....................................................... ±1mA
Operating Junction Temperature Range
(Notes 2, 3, 4) ........................................ –40°C to 125°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
ORDER INFORMATION
PIN CONFIGURATION
TOP VIEW
SG 1 16 PG
V CC 2 15 PGDLY
t ON 3 14 R CMP
ENDLY 4 13 C CMP
GND
SFST 6 11 SENSE –
OSC 7 10 UVLO
FB 8 9 V C
FE PACKAGE
16-LEAD PLASTIC TSSOP
T JMAX = 125°C, θ JA = 40°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3825EFE#PBF
LEAD BASED FINISH
LT3825EFE
TAPE AND REEL
LT3825EFE#TRPBF
TAPE AND REEL
LT3825EFE#TR
PART MARKING
3825EFE
PART MARKING
3825EFE
PACKAGE DESCRIPTION
16-Lead Plastic 4.4mm TSSOP
PACKAGE DESCRIPTION
16-Lead Plastic 4.4mm TSSOP
TEMPERATURE RANGE
–40°C to 125°C
TEMPERATURE RANGE
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at T A = 25°C. V CC = 14V; PG, SG Open; V C = 1.5V, V SENSE– = 0V; R CMP = 1k,
R tON = 90k, R PGDLY = 27.4k, R ENDLY = 90k, unle ss otherwise specified (Note 3).
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply
V CC Turn-On Voltage
V CC Turn-Off Voltage
l
l
14.0
8
15.3
9.7
16.0
11
V
V
V CC Hysteresis
V CC Shunt Clamp
V CC Supply Current (Note 5) (I CC )
V CC Start-Up Current
V CC(ON) – V CC(OFF)
V UVLO = 0V, I VCC = 15mA
V C = Open
V CC = 10V
l
l
l
l
4.0
19.5
4
5.6
20.5
6.4
180
6.5
10
400
V
V
mA
μA
Feedback Amplifier
Feedback Regulation Voltage (V FB )
Feedback Pin Input Bias Current
R CMP Open
l
1.220
1.237
200
1.251
V
nA
Feedback Amplifier Transconductance
Feedback Amplifier Source or Sink Current
? I C = ±10μA
l
l
700
25
1000
55
1400
90
μmho
μA
Feedback Amplifier Clamp Voltage
V FB = 0.9V
V FB = 1.4V
2.56
V
3525fe
2
相关PDF资料 |
PDF描述 |
|---|---|
| LT3837EFE#PBF | IC REG CTRLR FLYBK ISO 16-TSSOP |
| LT3844EFE#PBF | IC REG CTRLR BST INV PWM 16TSSOP |
| LT3845EN#PBF | IC REG CTRLR BUCK PWM CM 16-DIP |
| LT3957IUHE#TRPBF | IC REG MULTI CONFIG ADJ 36VQFN |
| LT3958EUHE#TRPBF | IC REG MULTI CONFIG ADJ 36VQFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3825EFE-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Isolated No-Opto Synchronous Flyback Controller with Wide Input Supply Range |
| LT3825EFE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Isolated No-Opto Synchronous Flyback Controller with Wide Input Supply Range |
| LT382B | 制造商:EDSYN 功能描述:TIP CONICAL 0.5X15.8MM |
| LT383 | 制造商:EDSYN 功能描述: |
| LT3837 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low VIN, 8A DC/DC μModule Regulator |
发布紧急采购，3分钟左右您将得到回复。