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参数资料
| 型号： | LNK305G-TL |
| 厂商： | POWER INTEGRATIONS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.8 A SWITCHING REGULATOR, 70 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | PLASTIC SURFACE MOUNT, DIP-8 |
| 文件页数： | 17/20页 |
| 文件大小： | 706K |
| 代理商： | LNK305G-TL |
2-6
Rev. I 11/08
6
LNK302/304-306
Table 2. Common Circuit Congurations Using LinkSwitch-TN. (continued on next page)
TOPOLOGY
BASIC CIRCUIT SCHEMATIC
KEY FEATURES
High-Side
Buck –
Direct
Feedback
1. Output referenced to input
2. Positive output (V
O) with respect to -VIN
3. Step down – V
O < VIN
4. Low cost direct feedback (±10% typ.)
High-Side
Buck –
Optocoupler
Feedback
1. Output referenced to input
2. Positive output (V
O) with respect to -VIN
3. Step down – V
O < VIN
4. Optocoupler feedback
- Accuracy only limited by reference
choice
- Low cost non-safety rated opto
- No pre-load required
5. Minimum no-load consumption
Low-Side
Buck –
Optocoupler
Feedback
1. Output referenced to input
2. Negative output (V
O) with respect to +VIN
3. Step down – V
O < VIN
4. Optocoupler feedback
- Accuracy only limited by reference
choice
- Low cost non-safety rated opto
- No pre-load required
- Ideal for driving LEDs
Low-Side
Buck –
Constant
Current LED
Driver
High-Side
Buck Boost –
Direct
Feedback
1. Output referenced to input
2. Negative output (V
O) with respect to +VIN
3. Step up/down – V
O > VIN or VO < VIN
4. Low cost direct feedback (±10% typ.)
5. Fail-safe – output is not subjected to input
voltage if the internal MOSFET fails
6. Ideal for driving LEDs – better accuracy
and temperature stability than Low-side
Buck constant current LED driver
High-Side
Buck Boost –
Constant
Current LED
Driver
V
O
V
IN
PI-3751-121003
+
FB
BP
S
D
LinkSwitch-TN
PI-3752-121003
+
BP
FB
D
S
V
O
V
IN
LinkSwitch-TN
PI-3753-111903
+
BP
FB
D
S
V
O
V
IN
LinkSwitch-TN
PI-3754-112103
+
BP
FB
D
S
V
IN
I
O
R =
V
F
V
F
I
O
V
O
V
IN
PI-3755-121003
+
FB
BP
S
D
LinkSwitch-TN
R
SENSE =
R
SENSE
300
Ω
2 k
Ω
2 V
I
O
I
O
100 nF
10
μF
50 V
V
IN
PI-3779-120803
+
FB
BP
S
D
LinkSwitch-TN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LNK305P | 功能描述:IC OFFLINE SWIT OCP 8DIP RoHS:否 类别:集成电路 (IC) >> PMIC - AC-DC 转换器，离线开关 系列:LinkSwitch®-TN 标准包装:1 系列:FPS™ 输出隔离:隔离 频率范围:61kHz ~ 73kHz 输入电压:8 V ~ 26 V 输出电压:650V 功率（瓦特）:12W 工作温度:-40°C ~ 115°C 封装/外壳:8-DIP（0.300"，7.62mm） 供应商设备封装:8-MDIP 包装:Digi-Reel® 其它名称:FSL206MRBNFSDKR |
| LNK305P（3-5W） | 制造商:未知厂家 制造商全称:未知厂家 功能描述:（3-5W)电源方案 |
| LNK305P(4-7W） | 制造商:未知厂家 制造商全称:未知厂家 功能描述:（4-7W电源方案） |
| LNK305P/G | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Lowest Component Count. Energy Efficient Off-Line Switcher IC |
| LNK305P/G/D | 制造商:FERYSTER 制造商全称:FERYSTER Inductive Components Manufacturer 功能描述:Lowest Component Count, Energy-Effi cient Off-Line Switcher IC |
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