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| 型号： | LT1931IS5#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC REG INV 1A TSOT23-5 |
| 标准包装： | 2,500 |
| 类型： | 反相 |
| 输出数： | 1 |
| 输入电压： | 2.45 V ~ 16 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | TSOT-23-5 |
LT1931/LT1931A
TYPICAL APPLICATIO S
SLIC Power Supply with – 21.6V and – 65V Outputs, Uses Soft-Start
V IN
L1
10 μ H
R1
1 ?
5V
C1
4.7 μ F
16V
V IN
SW
C2
1 μ F
35V
D1
V SS
R SS
15k
LT1931
SHDN
GND
NFB
R2
R3
3
2
1
C5
4.7 μ F
25V
COM
V OUT1
1k
16.2k
–21.6V
48mA*
C SS
68nF
C8
1000pF
R4
2.7k
C3
1 μ F
35V
D2
*TOTAL OUTPUT POWER NOT TO EXCEED 1.3W
C1 TO C7: X5R OR X7R
D1, D2: BAV99 OR EQUIVALENT
L1: SUMIDA CR43-100
C4
1 μ F
35V
3
D3
2
1
C6
4.7 μ F
25V
3
2
1
C7
4.7 μ F
25V
1931 TA09
V OUT2
– 65V
20mA*
PACKAGE DESCRIPTIO
S5 Package
5-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1635)
0.62
MAX
0.95
REF
1.22 REF
2.90 BSC
(NOTE 4)
3.85 MAX 2.62 REF
1.4 MIN
2.80 BSC
1.50 – 1.75
(NOTE 4)
PIN ONE
0.20 BSC
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
0.95 BSC
0.80 – 0.90
0.30 – 0.45 TYP
5 PLCS (NOTE 3)
0.01 – 0.10
1.00 MAX
DATUM ‘A’
NOTE:
0.30 – 0.50 REF
0.09 – 0.20
(NOTE 3)
1.90 BSC
S5 TSOT-23 0302 REV B
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
1931fa
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
11
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