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参数资料
| 型号： | FSEZ1307MY |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC PWM CTLR PRIMARY REG 7-SOIC |
| 标准包装： | 2,500 |
| 输出隔离： | 隔离 |
| 频率范围： | 47kHz ~ 53kHz |
| 输入电压： | 5.5 V ~ 30 V |
| 输出电压： | 700V |
| 功率（瓦特）： | 660mW |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽）7 引线 |
| 供应商设备封装： | 7-SOP |
| 包装： | 带卷 (TR) |
January 2014
FSEZ1307
Primary-Side-Regulation PWM with Power MOSFET
Integrated
Features
Description
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Low Standby Power: Under 30 mW
High-Voltage Startup
Few External Components
Constant-Voltage (CV) and Constant-Current (CC)
Control without Secondary-Feedback Circuitry
Green Mode: Linearly Decreasing PWM Frequency
Fixed PWM Frequency at 50 kHz with Frequency
This third-generation Primary Side Regulation (PSR)
PWM controller combination power MOSFET,
FSEZ1307, provides several features to enhance the
performance of low-power flyback converters. The
proprietary topology, TRUECURRENT?, enables
precise CC regulation and simplified circuit design for
battery-charger applications. Compared to a
conventional design or a linear transformer, a low-cost,
smaller, and lighter charger results.
Hopping to Solve EMI Problem
To minimize
standby power consumption, the
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Cable Compensation in CV Mode
Peak-Current-Mode Control in CV Mode
Cycle-by-Cycle Current Limiting
V DD Over-Voltage Protection with Auto Restart
V DD Under-Voltage Lockout (UVLO)
Gate Output Maximum Voltage Clamped at 15 V
Fixed Over-Temperature Protection with
Auto Restart
Available in 7-Lead SOP Package
proprietary green mode provides off-time modulation to
linearly decrease PWM frequency under light-load
conditions. Green mode assists the power supply in
meeting power conservation requirements.
By using the FSEZ1307, a charger can be implemented
with few external components and minimized cost. A
typical output CV/CC characteristic envelope is shown
V O
Applications
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Battery chargers for cellular phones, cordless
phones, PDA, digital cameras, power tools, etc.
Replaces linear transformers and RCC SMPS
±7%
I O
Figure 1. Typical Output V-I Characteristic
Ordering Information
Part Number
FSEZ1307MY
Operating
Temperature Range
-40°C to +105°C
Package
7-Lead, Small Outline Package (SOP-7)
Packing
Method
Tape & Reel
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html .
? 2010 Fairchild Semiconductor Corporation
FSEZ1307 ? Rev. 1.0.3
www.fairchildsemi.com
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| FSEZ1317 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Primary-Side-Regulation PWM with POWER MOSFET Integrated |
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