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参数资料
| 型号： | LT3782IFE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM CM 28-SSOP |
| 标准包装： | 2,000 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 533kHz |
| 占空比： | 94% |
| 电源电压： | 6 V ~ 40 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
LT3782
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V CC Supply Voltage ...................................................40V
GBIAS, GBIAS1, GBIAS2 Pin
(Externally Forced) ....................................................14V
SYNC, RUN Pin .........................................................30V
Operating Junction Temperature
Storage Temperature Range................... – 65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
SS ................................................................ –0.3V to 6V
SENSE1 + , SENSE2 + ,
SENSE1 – , SENSE2 – ..................................... –0.3V to 2V
Range (Notes 2, 3) ................................. –40°C to 125°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
SGATE2
SGATE1
1
2
28 GBIAS
27 V CC
NC
3
26 NC
28 27 26 25 24 23
GND
SYNC
DELAY
4
5
6
25 NC
24 V EE1
23 BGATE1
SYNC 1
DELAY 2
DCL 3
22 BGATE1
21 GBIAS1
20 NC
SENSE1
DCL
SENSE1 +
–
7
8
9
29
22 GBIAS1
21 GBIAS2
20 BGATE2
SENSE1 + 4
SENSE1 – 5
SLOPE 6
29
19 NC
18 GBIAS2
17 BGATE2
12
SENSE2
SLOPE 10
R SET 11
–
19 V EE2
18 NC
17 RUN
R SET 7
SENSE2 – 8
9 10 11 12 13 14
16 V EE2
15 NC
SENSE2 + 13
SS 14
16 FB
15 V C
UFD PACKAGE
FE PACKAGE
28-LEAD PLASTIC TSSOP
T JMAX = 125°C, θ JA = 38°C/ W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
28-LEAD (4mm × 5mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 37°C/ W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3782EFE#PBF
LT3782IFE#PBF
LT3782EUFD#PBF
LEAD BASED FINISH
LT3782EFE
LT3782IFE
LT3782EUFD
TAPE AND REEL
LT3782EFE#TRPBF
LT3782IFE#TRPBF
LT3782EUFD#TRPBF
TAPE AND REEL
LT3782EFE#TR
LT3782IFE#TR
LT3782EUFD#TR
PART MARKING
LT3782EFE
LT3782IFE
3782
PART MARKING
LT3782EFE
LT3782IFE
3782
PACKAGE DESCRIPTION
28-Lead Plastic TSSOP
28-Lead Plastic TSSOP
28-Lead (4mm × 5mm) Plastic QFN
PACKAGE DESCRIPTION
28-Lead Plastic SSOP
28-Lead Plastic SSOP
28-Lead (4mm × 5mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
Consult LTC Marketing for parts speci?ed 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 speci?cations, go to: http://www.linear.com/tapeandreel/
3782fg
2
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