参数资料
| 型号： | LTC3780EG#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/30页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM CM 24-SSOP |
| 标准包装： | 59 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 440kHz |
| 占空比： | 99% |
| 电源电压： | 4 V ~ 36 V |
| 降压： | 是 |
| 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 ~ 85°C |
| 封装/外壳： | 24-SSOP（0.209"，5.30mm 宽） |
| 包装： | 管件 |
| 产品目录页面： | 1336 (CN2011-ZH PDF) |
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LTC3780
ORDER INFORMATION
LEAD FREE FINISH
LTC3780EG#PBF
LTC3780IG#PBF
LTC3780EUH#PBF
LTC3780IUH#PBF
LEAD BASED FINISH
LTC3780EG
LTC3780IG
LTC3780MPG
LTC3780EUH
LTC3780IUH
TAPE AND REEL
LTC3780EG#TRPBF
LTC3780IG#TRPBF
LTC3780EUH#TRPBF
LTC3780IUH#TRPBF
TAPE AND REEL
LTC3780EG#TR
LTC3780IG#TR
LTC3780MPG#TR
LTC3780EUH#TR
LTC3780IUH#TR
PART MARKING
LTC3780EG
LTC3780IG
3780
3780I
PART MARKING
LTC3780EG
LTC3780IG
LTC3780MPG
3780
3780I
PACKAGE DESCRIPTION
24-Lead Plastic SSOP
24-Lead Plastic SSOP
32-Lead (5mm × 5mm) Plastic QFN
32-Lead (5mm × 5mm) Plastic QFN
PACKAGE DESCRIPTION
24-Lead Plastic SSOP
24-Lead Plastic SSOP
24-Lead Plastic SSOP
32-Lead (5mm × 5mm) Plastic QFN
32-Lead (5mm × 5mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
–40°C to 125°C
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
–55°C to 125°C
–40°C to 85°C
–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. (Note 7) V IN = 15V unles s otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Main Control Loop
V OSENSE
I VOSENSE
V LOADREG
V REF(LINEREG)
Feedback Reference Voltage
Feedback Pin Input Current
Output Voltage Load Regulation
Reference Voltage Line Regulation
I TH = 1.2V, –40°C ≤ T ≤ 85°C (Note 3)
–55°C ≤ T ≤ 125°C
(Note 3)
(Note 3)
? I TH = 1.2V to 0.7V
? I TH = 1.2V to 1.8V
V IN = 4V to 30V, I TH = 1.2V (Note 3)
l
l
l
l
0.792
0.792
0.800
0.800
–5
0.1
–0.1
0.002
0.808
0.811
–50
0.5
–0.5
0.02
V
V
nA
%
%
%/V
g m(EA)
g m(GBW)
Error Amplifier Transconductance
Error Amplifier GBW
I TH = 1.2V, Sink/Source = 3μA (Note 3)
(Note 8)
0.32
0.6
mS
MHz
I Q
V FCB
Input DC Supply Current
Normal
Standby
Shutdown Supply Current
Forced Continuous Threshold
(Note 4)
V RUN = 0V, V STBYMD > 2V
V RUN = 0V, V STBYMD = Open
0.76
2400
1500
55
0.800
70
0.84
μA
μA
μA
V
I FCB
V BINHIBIT
UVLO
V OVL
I SENSE
V STBYMD(START)
V STBYMD(KA)
Forced Continuous Pin Current
Burst Inhibit (Constant Frequency)
Threshold
Undervoltage Reset
Feedback Overvoltage Lockout
Sense Pins Total Source Current
Start-Up Threshold
Keep-Alive Power-On Threshold
V FCB = 0.85V
Measured at FCB Pin
V IN Falling
Measured at V OSENSE Pin
V SENSE– = V SENSE+ = 0V
V STBYMD Rising
V STBYMD Rising, V RUN = 0V
l
–0.30
0.84
0.4
–0.18
5.3
3.8
0.86
–380
0.7
1.25
–0.1
5.5
4
0.88
μA
V
V
V
μA
V
V
3780ff
For more information www.linear.com/LTC3780
3
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相关代理商/技术参数 |
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| LTC3780EUH | 制造商:Linear Technology 功能描述:DC DC Cntrlr Dual-OUT Synchronous Boost/Buck Controller 4V to 36V Input 32-Pin QFN EP |
| LTC3780EUH#PBF | 功能描述:IC REG CTRLR BST PWM CM 32-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR |
| LTC3780EUH#PBF | 制造商:Linear Technology 功能描述:DC/DC Converter IC |
| LTC3780EUH#TR | 制造商:Linear Technology 功能描述:DC DC Cntrlr Dual-OUT Synchronous Boost/Buck Controller 4V to 36V Input 32-Pin QFN EP T/R |
| LTC3780EUH#TRPBF | 功能描述:IC REG CTRLR BST PWM CM 32-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 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:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
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