参数资料
| 型号： | LTC3634IFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/28页 |
| 文件大小： | 0K |
| 描述： | IC CONV DDR DDR2 DDR3 28TSSOP |
| 标准包装： | 50 |
| 应用： | 转换器，DDR，DDR2，DDR3 |
| 输入电压： | 1.4 V ~ 15 V |
| 输出数： | 2 |
| 输出电压： | 0.6 V ~ 3 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 28-TSSOP 裸露焊盘 |
| 包装： | 管件 |
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LTC3634
ORDER INFORMATION
LEAD FREE FINISH
LTC3634EUFD#PBF
LTC3634IUFD#PBF
LTC3634HUFD#PBF
LTC3634MPUFD#PBF
LTC3634EFE#PBF
LTC3634IFE#PBF
LTC3634HFE#PBF
LTC3634MPFE#PBF
TAPE AND REEL
LTC3634EUFD#TRPBF
LTC3634IUFD#TRPBF
LTC3634HUFD#TRPBF
LTC3634MPUFD#TRPBF
LTC3634EFE#TRPBF
LTC3634IFE#TRPBF
LTC3634HFE#TRPBF
LTC3634MPFE#TRPBF
PART MARKING*
3634
3634
3634
3634
LTC3634FE
LTC3634FE
LTC3634FE
LTC3634FE
PACKAGE DESCRIPTION
28-Lead (5mm × 4mm) Plastic QFN
28-Lead (5mm × 4mm) Plastic QFN
28-Lead (5mm × 4mm) Plastic QFN
28-Lead (5mm × 4mm) Plastic QFN
28-Lead Plastic TSSOP
28-Lead Plastic TSSOP
28-Lead Plastic TSSOP
28-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–55°C to 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–55°C to 150°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 The l denotes the specifications which apply over the specified junction
temperature range, otherwise specifications are at T A = 25°C (Note 4). V IN = 12V, INTV CC = 3.3V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V IN
I Q
V IN1 , Operating Supply Range
V IN2 , Operating Supply Range
Output Voltage Range
Input DC Supply Current (V IN1 + V IN2 )
Active (Note 7)
Shutdown
V IN1 > 3.6V
V ON = V OUT (Note 6)
RUN1 = RUN2 = V IN
RUN1 = RUN2 = 0V
l
l
3.6
1.4
0.6
1.3
15
15
15
3
V
V
V
mA
μA
V FBREG1
V FBREG2
VTTR
Feedback Reference Voltage
Feedback Reference Voltage
VTTR Voltage Reference
3.6V < V IN < 15V, 0.5V < ITH < 1.8V
0°C < T A < 85°C
–55°C < T A < 150°C
3.6V < V IN < 15V, 0.5V < ITH < 1.8V
1.5V < VDDQIN < 2.6V
I LOAD = ±10mA, C LOAD < 10nF
l
l
l
l
0.594
0.592
VTTR – 6
0.492 ?
VDDQIN
0.6
0.6
VTTR
0.50 ?
VDDQIN
0.606
0.606
VTTR + 6
0.508 ?
VDDQIN
V
V
mV
V
I FB
Feedback Pin Input Current
±30
nA
g m(EA)
t ON(MIN)
Error Amplifier Transconductance
Minimum On-Time
ITH = 1.2V
V ON = 0.5V, V IN = 4V
1.0
20
mS
ns
t OFF(MIN)
Minimum Off-Time
V IN = 6V
40
60
ns
f OSC
I LIM1
I LIM2
Oscillator Frequency
Channel 1 Valley Switch Current Limit
Positive Limit
Negative Limit
Channel 2 Valley Switch Current Limit
Positive Limit
Negative Limit
V RT = INTV CC
R T = 162k
R T = 80.6k
1.4
1.7
3.4
3.3
3.3
2
2
4
4.4
8
4.4
8
2.6
2.3
4.6
5.5
5.5
MHz
MHz
MHz
A
A
A
A
R DS(ON)
Channel 1
Top Switch On-Resistance
Bottom Switch On-Resistance
Channel 2
Top Switch On-Resistance
Bottom Switch On-Resistance
130
65
130
65
mΩ
mΩ
mΩ
mΩ
3634fb
For more information www.linear.com/LTC3634
3
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| LTC3634IUFD#PBF | 功能描述:IC CONV DDR DDR2 DDR3 28QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器，Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN（7x7） 包装:管件 |
| LTC3634IUFD#TRPBF | 功能描述:IC CONV DDR DDR2 DDR3 28QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器，Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN（7x7） 包装:管件 |
| LTC3634MPFE#PBF | 制造商:Linear Technology 功能描述:IC CONV DDR DDR2 DDR3 28TSSOP 制造商:Linear Technology 功能描述:BUCK 15V 3A 500KHZ-4MHZ TS 制造商:Linear Technology 功能描述:BUCK, 15V, 3A, 500KHZ-4MHZ, TSSOP-28 制造商:Linear Technology 功能描述:DP-SWREG/Monolithic, 15V Dual 3A Monolithic Step Down Regulator for DDR Power |
| LTC3634MPFE#TRPBF | 制造商:Linear Technology 功能描述:IC REG 15V 3A STEP DOWN 28-TSSOP 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, TSSOP-28, Primary Input Voltage:15V, No. of Outputs:2, Output Current:3A, No. of Pins:28, Operating Temperature Min:-55C, Operating Temperature Max:150C, MSL:-, Package / Case:28-TSSOP , RoHS Compliant: Yes |
| LTC3634MPUFD#PBF | 制造商:Linear Technology 功能描述:IC CONV DDR DDR2 DDR3 28-QFN 制造商:Linear Technology 功能描述:BUCK 15V 3A 500KHZ-4MHZ QF |
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