参数资料
型号: LT3070IUFD#PBF
厂商: Linear Technology
文件页数: 24/28页
文件大小: 0K
描述: IC REG LDO ADJ 5A 28QFN
产品培训模块: LT3070 - 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator
标准包装: 73
稳压器拓扑结构: 正,可调式
输出电压: 0.8 V ~ 1.8 V
输入电压: 0.95 V ~ 3 V
电压 - 压降(标准): 0.085V @ 5A
稳压器数量: 1
电流 - 输出: 5A
电流 - 限制(最小): 5.1A
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-QFN(4x5)
包装: 管件
LT3070
APPLICATIONS INFORMATION
V O0
V BIAS
3.3V
47μF
6.3V
× 3
0.1μF
1
NC
PGOOD RUN
SGND
PV IN
PV IN
PLLLPF
PV IN PV IN
LTC3415EUHF
SV IN TRACK
SW
SW
SW
SW
I TH
MGN
SV IN
0.2μH
1.3V/5A
20k
47μF
2.2μF
NC
NC
NC
NC
BIAS
EN PWRGD
LT3070
V O1
V O2
MARGTOL
MARGSEL
50k
IN SENSE
OUT
PWRGD
2.2μF* 4.7μF*
*X5R OR X7R CAPACITORS
V OUT
1V
5A
10μF*
NC
NC
CLKOUT
PHMODE
CLKIN
PGND
BSEL
V FB
I THM
NC
SV IN
100μF
6.3V
× 2
10k
2k
4.7nF
1nF
VIOC
REF/BYP
GND
0.01μF
MODE
SGND
PGND PGND PGND PGND
PGND PGND
3070 F07
NOTE: LTC3415 SWITCHER, 2MHz INTERNAL OSCILLATOR
LTC3415 AND LT3070 ON SAME PCB POWER PLANE
Figure 7. Regulator with VIOC Buck Control
V BIAS
3.3V
47μF
6.3V
× 3
1
SV IN
2.2μF
50k
PWRGD
NC
V O0
0.1μF
PGOOD RUN
SGND
PV IN
PV IN
PLLLPF
PV IN
PV IN
SV IN TRACK
SW
SW
SW
SW
I TH
0.2μH
1.3V/7A
47μF
NC
NC
NC
BIAS
EN PWRGD
LT3070
V O1
V O2
MARGTOL
IN SENSE
OUT
2.2μF* 4.7μF*
*X5R OR X7R CAPACITORS
10μF*
V OUT
1V
3.5A
R TRACE
3m
CONTROLLED
NC
NC
LTC3415EUHF
CLKOUT
PHMODE
PGND
CLKIN
MODE
PGND PGND PGND PGND
MGN
BSEL
V FB
I THM
SGND
PGND PGND
NC
17.5k
1%
15k
1%
100μF
6.3V
× 2
1nF
NC
MARGSEL
VIOC REF/BYP
GND
2.2μF
BIAS
EN PWRGD
0.01μF
P.O.L. 1
POWER
PLANE
1V/8A
P.O.L. 2
R TRACE
3m
CONTROLLED
NOTE: LTC3415 SWITCHER, 2MHz INTERNAL OSCILLATOR
LTC3415 AND LT3070 × 2 ON SAME PCB POWER PLANE
47μF
NC
NC
IN
V O0
V O1
LT3070
SENSE
OUT
2.2μF*
4.7μF*
10μF*
V OUT
1V
3.5A
V O2
*X5R OR X7R CAPACITORS
NC
NC
MARGTOL
MARGSEL
VIOC
REF/BYP
1nF
GND
0.01μF
3070 F08
Figure 8. 1V, 7A Point-of-Load Current Sharing Regulators
3070fb
24
For more information www.linear.com/LT3070
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