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参数资料
| 型号： | SG1577ASY |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 5/15页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM VM 20-SOIC |
| 标准包装： | 1,000 |
| PWM 型： | 电压模式 |
| 输出数： | 2 |
| 频率 - 最大： | 372kHz |
| 占空比： | 95% |
| 电源电压： | 10 V ~ 15 V |
| 降压： | 是 |
| 升压： | 是 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 包装： | 带卷 (TR) |
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device
reliability. The absolute maximum ratings are stress ratings only. All voltage values, except differential voltages, are
given with respect to the network ground terminal. Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device.
Symbol
V CC
BST1(or 2) -
CLN1(or 2)
CLN1(or 2) -
GND
BST1(or 2) -
GND
DH1(or 2) -
CLN1(or 2)
Parameter
Supply Voltage, VCC to GND
BST1(2) to CLN1(2)
CLN1(2) to GND for 100ns Transient
BST1(2) to GND for 100ns Transient
Min.
-4
Max.
16
16
18
30
16
Unit
V
V
V
V
V
CLN1(or 2),
DL1(or 2)
PGND
Θ JA
PGND to GND
Thermal Resistance, Junction-Air
-0.3
V CC +0.3
±1
90
V
V
°C/W
T J
T STG
Operating Junction Temperature
Storage Temperature Range
-40
-65
+125
+150
°C
°C
ESD
Electrostatic Discharge
Protection Level
Human Body Model (HBM)
Charged Device Model (CDM)
2
1
kV
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Symbol
V CC
T A
Parameter
Supply Voltage
Operating Ambient Temperature
Min.
-40
Max.
+15
+105
Unit
V
° C
? 2009 Fairchild Semiconductor Corporation
SG1577A ? Rev. 1.0.2
5
www.fairchildsemi.com
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| SG1577DY | 功能描述:电压模式 PWM 控制器 DUAL-SYNCHRONUOS DC/DC CONTROLLER RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| SG1577DZ | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Dual Synchronous DC/DC Controller |
| SG1577SY | 功能描述:DC/DC 开关控制器 Dual Sync DC/DC Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| SG1577SY_12 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Dual Synchronous DC/DC Controller |
| SG1577SZ | 功能描述:DC/DC 开关控制器 Dual Synchronous DC/DC Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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