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参数资料
| 型号： | IR2277SPBF |
| 厂商： | International Rectifier |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC CURRENT SENSE 0.2& 16SOIC |
| 标准包装： | 45 |
| 功能： | 电流感应 |
| 精确度： | ±0.2% |
| 输入电压： | 8 V ~ 20 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
IR2277S/IR2177S (PbF)
Absolute Maximum Ratings
Absolute Maximum Ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters
are absolute voltages referenced to V SS , all currents are defined positive into any lead. The Thermal Resistance and Power
Dissipation ratings are measured under board mounted and still air conditions.
Symbol
Definition
Min.
Max.
Units
V B
V S
V in+ / V in-
G0 / G1
V CC
Sync
V RH /V RL
Out
PO
OC
dV S /dt
P D
R thJA
T J
T S
T L
High Side Floating Supply Voltage
High Side Floating Ground Voltage
High-Side Inputs Voltages
High-Side Range Selectors
Low-Side Fixed Supply Voltage
Low-Side Input Synchronization Signal
DSP Reference High and Low Voltages
Analog Output Voltage
PWM Output
Over Current Output Voltage
Allowable Offset Voltage Slew Rate
Maximum Power Dissipation
Thermal Resistance, Junction to Ambient
Junction Temperature
Storage Temperature
Lead Temperature (Soldering, 10 seconds)
IR2277
IR2177
- 0.3
- 0.3
V B - 25
V S - 5
V S - 0.3
- 0.3
- 0.3
- 0.3
- 0.3
- 0.3
- 0.3
-40
-55
1225
625
V B + 0.3
V B + 0.3
V B + 0.3
25
V CC + 0.3
V CC + 0.3
V CC + 0.3
V CC + 0.3
V CC + 0.3
50
250
90
125
150
300
V
V
V
V
V
V
V
V
V
V
V/ns
mW
oC/W
oC
oC
oC
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions. All voltage parameters are absolute
voltages referenced to V ss . The V s offset rating is tested with all supplies biased at 15V differential.
Symbol
V BS
Definition
High Side Floating Supply Voltage (V B - V S )
Min.
V S + 8.0
Max.
V S + 20
Units
V
V S
V in+ / V in-
G0 / G1
V CC
Sync
f sync
High Side Floating Ground Voltage
High-Side Inputs Voltages
High-Side Range Selectors
Low Side Logic Fixed Supply Voltage
Low-Side Input Synchronization Signal
Sync Input Frequency
IR2277
IR2177
Using PO
-5
V S - 5.0
Note 1
8
V SS
4
1200
600
V S + 5.0
Note1
20
V CC
20
V
V
V
V
kHz
Using OUT
8
20
PO
OC
V RH
V RL
T A
PWM Output
Over Current Output Voltage
OUT Reference High Voltage
OUT Reference Low Voltage
Ambient Temperature
-0.3
-0.3
3
V SS
-40
Note 2
Note 2
V CC -2.5
V RH -3
125
V
V
V
V
oC
Note 1: Shorted to V S or V B
Note 2: Pull-Up Resistor to V CC
2
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