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参数资料
| 型号： | LTC3788IUH#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PQCC32 |
| 封装： | 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32 |
| 文件页数： | 12/32页 |
| 文件大小： | 386K |
| 代理商： | LTC3788IUH#PBF |
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LTC3788
2
3788fb
pin conFiguraTion
The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at TA = 25°C, VBIAS = 12V, unless otherwise noted (Note 2).
absoluTe MaxiMuM raTings
VBIAS......................................................... –0.3V to 40V
BOOST1, BOOST2...................................... –0.3V to 76V
SW1, SW2 ................................................. –0.3V to 70V
RUN1, RUN2................................................ –0.3V to 8V
Maximum Current Sourced into Pin
from Source > 8V..............................................100A
PGOOD1, PGOOD2, PLLIN/MODE ............... –0.3V to 6V
INTVCC, (BOOST1-SW1, BOOST2-SW2) ...... –0.3V to 6V
EXTVCC......................................................... –0.3V to 6V
SENSE1+, SENSE1–,
SENSE2+, SENSE2–.................................... –0.3V to 40V
SENSE1+ – SENSE1–,
SENSE2+ – SENSE2–................................. –0.3V to 0.3V
ILIM, SS1, SS2, ITH1, ITH2, FREQ,
PHASMD, VFB1, VFB2 .......................... –0.3V to INTVCC
Operating Junction Temperature Range ... –40°C to 125°C
Storage Temperature Range...................–65°C to 125°C
(Notes 1, 3)
32
33
GND
31 30 29 28 27 26 25
9 10 11 12
TOP VIEW
UH PACKAGE
32-LEAD (5mm
× 5mm) PLASTIC QFN
13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
SENSE1–
FREQ
PHASMD
CLKOUT
PLLIN/MODE
SGND
RUN1
RUN2
BOOST1
BG1
VBIAS
PGND
EXTVCC
INTVCC
BG2
BOOST2
SENSE1
+
VFB1
ITH1
SS1
ILIM
PGOOD1
SW1
TG1
SENSE2
–
SENSE2
+
VFB2
ITH2
SS2
PGOOD2
SW2
TG2
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3788EUH#PBF
LTC3788EUH#TRPBF
3788
32-Lead (5mm
×5mm) Plastic QFN
–40°C to 125°C
LTC3788IUH#PBF
LTC3788IUH#TRPBF
3788
32-Lead (5mm
×5mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
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
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Main Control Loop
VBIAS
Chip Bias Voltage Operating Range
4.5
38
V
VFB1,2
Regulated Feedback Voltage
ITH = 1.2V (Note 4)
l
1.188
1.200
1.212
V
IFB1,2
Feedback Current
(Note 4)
±5
±50
nA
VREFLNREG
Reference Line Voltage Regulation
VBIAS = 6V to 38V
0.002
0.02
%/V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3789EGN#PBF | 功能描述:IC REG CTRLR BST PWM CM 28-SSOP 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 |
| LTC3789EGN#PBF | 制造商:Linear Technology 功能描述:IC DC-DC CONV 600kHz SSOP28 |
| LTC3789EGN#TRPBF | 功能描述:IC REG CTRLR BST PWM CM 28-SSOP 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 |
| LTC3789EUFD#PBF | 功能描述:IC REG CTRLR BST PWM CM 28-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 |
| LTC3789EUFD#TRPBF | 功能描述:IC REG CTRLR BST PWM CM 28-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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