参数资料
型号: LT8415IDDB#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.03 A SWITCHING REGULATOR, PDSO12
封装: 3 X 2 MM, LEAD FREE, PLASTIC, DFN-12
文件页数: 3/12页
文件大小: 182K
代理商: LT8415IDDB#PBF
LT8415
11
8415f
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
TYPICAL APPLICATIONS
Drive External Capacitors to 34V/0V with the LT8415
SW
CAP
GND
FBP
OUT 2
OUT 1
IN 2
IN 1
8415 TA03
LT8415
C1
2.2μF
C4
0.1μF
LOGIC
LEVEL
CHIP
ENABLE
L1
100μH
C2
22nF
C3
0.1μF*
VOUT = 34V
COUT1
COUT2
VIN
2.5V to 16V
VCC
VOUT
VREF
SHDN
R1
137K
R2
887K
C1: 2.2μF, 16V, X5R, 0603
C2: 22nF, 100V, X5R, 0603
C3: 0.1μF, 100V, X5R, 0603*
C4: 0.1μF, 16V, X7R, 0402
L1: COILCRAFT DO2010-104ML
* HIGHER CAPACITANCE VALUE IS
REQUIRED FOR C3 WHEN THE VIN IS
HIGHER THAT 8V
34V/0V
VOUT (V)
RESISTOR DIVIDER
FROM VREF
R1 (kΩ)/R2 (kΩ)
MAXIMUM OUTPUT CURRENT (mA)
VIN = 2.8V
VIN = 3.6V
VIN = 5.0V
VIN = 12V
40
NA
0.5
0.7
1.1
3.6
35
110/887
0.7
0.9
1.4
4.4
30
237/768
0.8
1.0
1.5
5.5
25
365/634
1.0
1.4
2.1
7.2
20
487/511
1.4
1.9
2.9
9.7
15
619/383
1.6
2.4
4.0
14
10
750/255
3.3
4.6
7.0
NA
5
866/127
8.0
11
17
NA
2.00 ±0.10
(2 SIDES)
NOTE:
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
0.40 ± 0.10
BOTTOM VIEW—EXPOSED PAD
0.64 ± 0.10
(2 SIDES)
0.75 ±0.05
R = 0.115
TYP
R = 0.05
TYP
2.39 ±0.10
(2 SIDES)
3.00 ±0.10
(2 SIDES)
1
6
12
7
PIN 1 BAR
TOP MARK
(SEE NOTE 6)
0.200 REF
0 – 0.05
(DDB12) DFN 0106 REV
0.23 ± 0.05
0.45 BSC
PIN 1
R = 0.20 OR
0.25
45°
CHAMFER
0.25 ± 0.05
2.39 ±0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.64 ±0.05
(2 SIDES)
1.15 ±0.05
0.70 ±0.05
2.55 ±0.05
PACKAGE
OUTLINE
0.45 BSC
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE
DDB Package
12-Lead Plastic DFN (3mm × 2mm)
(Reference LTC DWG # 05-08-1723 Rev )
PACKAGE DESCRIPTION
OUT2 VOLTAGE
20/DIV
OUT1 VOLTAGE
20/DIV
IN2 VOLTAGE
2V/DIV
IN1 VOLTAGE
2V/DIV
COUT1 = 1nF
COUT2 = 200pF
20μs/DIV
8415 TA02
Response Driving External Capacitors
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