参数资料
型号: LTC3829EUHF#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, PQCC38
封装: 5 X 7 MM, LEAD FREE, PLASTIC, M0-220WHKD, QFN-38
文件页数: 23/40页
文件大小: 478K
代理商: LTC3829EUHF#PBF
LTC3829
3829f
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3829EUHF#PBF
LTC3829EUHF#TRPBF
3829
38-Lead (5mm
× 7mm) Plastic QFN
–40°C to 125°C
LTC3829IUHF#PBF
LTC3829IUHF#TRPBF
3829
38-Lead (5mm
× 7mm) Plastic QFN
–40°C to 125°C
LTC3829EFE#PBF
LTC3829EFE#TRPBF
LTC3829
38-Lead Plastic TSSOP
–40°C to 125°C
LTC3829IFE#PBF
LTC3829IFE#TRPBF
LTC3829
38-Lead Plastic TSSOP
–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
VIN
Input Voltage Range
4.5
38
V
VOUT
Output Voltage Range
0.6
5.0
V
VFB
Regulated Feedback Voltage
ITH Voltage = 1.2V (Note 4) –40°C to 85°C
ITH Voltage = 1.2V (Note 4) TJ = 125°C
l
0.5955
0.593
0.600
0.6045
0.607
V
IFB
Feedback Current
(Note 4)
–15
–50
nA
VREFLNREG
Reference Voltage Line Regulation
VIN = 4.5V to 38V (Note 4)
0.002
0.02
%/V
VLOADREG
Output Voltage Load Regulation
(Note 4)
Measured in Servo Loop,
ITH Voltage = 1.2V to 0.7V
Measured in Servo Loop,
ITH Voltage = 1.2V to 1.6V
l
0.01
–0.01
0.1
–0.1
%
gm
Transconductance Amplifier gm
ITH = 1.2V, Sink/Source 5A (Note 4)
2.2
mmho
IQ
Input DC Supply Current
Normal Mode
Shutdown
(Note 5)
VIN = 15V
VRUN = 0V
4
40
60
mA
A
DFMAX
Maximum Duty Factor
In Dropout, fOSC = 500kHz
93
94
%
UVLO
Undervoltage Lockout
VINTVCC Ramping Down
l
3.0
3.3
3.6
V
UVLO Hyst
UVLO Hysteresis
0.6
V
VOVL
Feedback Overvoltage Lockout
Measured at VFB
l
0.64
0.66
0.68
V
ISENSE1,2,3+
SENSE+ Pins Bias Current
Each Channel, VSENSE1,2,3 = 3.3V,
VDIFFP = 3.3V
l
±1
±2
A
ITEMP
DCR Tempco Compensation Current
VITEMP = 0.2V
l
9
10
11
A
ITK/SS
Soft-Start Charge Current
VTK/SS = 0V
l
1.0
1.25
1.5
A
VRUN
RUN Pin On Threshold
VRUN Rising
l
1.1
1.22
1.35
V
RUN Pin On Hysteresis
100
mV
VSENSE(MAX) Maximum Current Sense Threshold
(E-Grade)
VFB = 0.5V, VSENSE1,2,3 = 3.3V
ILIM = 0V
ILIM = Float
ILIM = INTVCC
l
25
45
68
30
50
75
35
55
82
mV
Maximum Current Sense Threshold
(I-Grade)
VFB = 0.5V, VSENSE1,2,3 = 3.3V
ILIM = 0V
ILIM = Float
ILIM = INTVCC
l
23
43
66
30
50
75
37
57
84
mV
The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at TA = 25°C. VIN = 15V, VRUN = 5V, unless otherwise noted. (Note 2)
(Note 2)
相关PDF资料
PDF描述
LPD28SP 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE
LM4041CIM3-1.2T&R 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.225 V, PDSO3
LM4040CIM3-2.5T&R 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO3
LK2540-7EPD3TB1 2-OUTPUT 150 W AC-DC REG PWR SUPPLY MODULE
LS1001-7EPD7TB1 1-OUTPUT 100 W AC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
LTC3829IFE#PBF 功能描述:IC REG CTRLR BUCK PWM CM 38TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 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
LTC3829IFE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 38TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 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
LTC3829IUHF#PBF 功能描述:IC REG CTRLR BUCK PWM CM 38-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 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
LTC3829IUHF#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 38-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 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
LTC3830-1ES8 功能描述:IC REG CTRLR BUCK PWM VM 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,000 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:50% 电源电压:9 V ~ 10 V 降压:无 升压:是 回扫:是 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:8-TSSOP(0.173",4.40mm 宽) 包装:带卷 (TR)