参数资料
| 型号： | LTC3026EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/18页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1.5A 10-DFN |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 121 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.4 V ~ 2.6 V |
| 输入电压： | 1.14 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.1V @ 1.5A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN（3x3） |
| 包装： | 管件 |
| 产品目录页面： | 1334 (CN2011-ZH PDF) |
LTC3026
ELECTRICAL CHARACTERISTICS (BOOST ENABLED, L SW = 10μH)
The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at
T J = 25°C. V IN = 1.5V, V OUT = 1.2V, C IN = C BST = 4.7μF, C OUT = 10μF (all capacitors ceramic) unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V IN
I IN
Operating Voltage
Operating Current
(Note 2)
I OUT = 0mA, V OUT = 0.8V, V SHDN = V IN , V IN = 1.2V
I OUT = 0mA, V OUT = 1.2V, V SHDN = V IN , V IN = 1.5V
I OUT = 0mA, V OUT = 1.2V, V SHDN = V IN , V IN = 2.5V
I OUT = 0mA, V OUT = 1.2V, V SHDN = V IN , V IN = 3.5V
l
1.14
1160
950
640
400
3.5
V
μA
μA
μA
μA
I IN SHDN
Shutdown Current
Inductor Size Requirement
Inductor Peak Current Requirement
V SHDN = 0V, V IN = 3.5V
l
4.7
150
0.6
10
20
40
μA
μH
mA
V BST
V BSTUVLO
Boost Output Voltage Range
Boost Undervoltage Lockout
V SHDN = V IN
l
4.8
4.0
5
4.2
5.2
4.4
V
V
Boost Output Drive (Note 3)
V IN < 1.4V
V IN ≥ 1.4V
7
10
mA
mA
(BOOST DISABLED, V SW = 0V or Floating)
The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at
T J = 25°C. V IN = 1.5V, V OUT = 1.2V, V BST = 5V, C IN = C BST = 1μF, C OUT = 10μF (all capacitors ceramic) unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V IN
I IN
I IN SHDN
Operating Voltage
Operating Current
Shutdown Current
(Note 2)
I OUT = 100μA, V SHDN = V IN , 1.2V ≤ V IN ≤ 5V
V SHDN = 0V, V IN = 3.5V
l
l
l
1.14
95
0.6
5.5
200
20
V
μA
μA
V BST
V BSTUVLO
I BST
I BST SHDN
Boost Operating Voltage (Note 7)
Undervoltage Lockout
Boost Operating Current
Boost Shutdown Current
V SHDN = V IN
I OUT = 100μA, V SHDN = V IN
V SHDN = 0V
l
l
l
4.5
4.0
5
4.25
175
1
5.5
4.4
275
5
V
V
μA
μA
(BOOST ENABLED or DISABLED)
The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at
T J = 25°C. V IN = 1.5V, V OUT = 1.2V, C IN = C BST = 1μF, C OUT = 10μF (all capacitors ceramic) unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V ADJ
OUT
I ADJ
I OUT
Regulation Voltage (Note 5)
Programming Range
Dropout Voltage (Note 6)
ADJ Input Current
Continuous Output Current
1mA ≤ I OUT ≤ 1.5A, 1.14V ≤ V IN ≤ 3.5V, V BST = 5V, V OUT = 0.8V
1mA ≤ I OUT ≤ 1.5A, 1.14V ≤ V IN ≤ 3.5V, V BST = 5V, V OUT = 0.8V
V IN = 1.5V, V ADJ = 0.38, I OUT = 1.5A
V ADJ = 0.4V
V SHDN = V IN
l
l
l
l
l
0.397
0.395
0.4
–100
1.5
0.4
0.4
100
0.403
0.405
2.6
250
100
V
V
V
mV
nA
A
I LIM
Output Current Current Limit
3
A
e n
Output Voltage Noise
f = 10Hz to 100kHz, I L = 800mA
Boost Disabled
Boost Enabled
110
210
μV RMS
μV RMS
3026ff
3
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