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参数资料
| 型号： | IR22771SPBF |
| 厂商： | International Rectifier |
| 文件页数： | 2/16页 |
| 文件大小： | 441K |
| 描述： | IC CURRENT SENSE 16SOIC |
| 标准包装： | 45 |
| 功能： | 电流感应 |
| 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 |
IR22771S/IR21771S(PbF)
2
www.irf.com
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
IR22771
- 0.3
1225
V
V
B
High Side Floating Supply Voltage
IR21771
- 0.3
625
V
V
S
High Side Floating Ground Voltage
V
B
- 25
V
B
+ 0.3
V
V
in+
/ V
in-
High-Side Inputs Voltages
V
B
- 5
V
B
+ 0.3
V
G0 / G1 High-Side Range Selectors
V
B
- 0.3
V
B
+ 0.3
V
V
CC
Low-Side Fixed Supply Voltage
- 0.3
25
V
Sync
Low-Side Input Synchronization Signal
- 0.3
V
CC
+ 0.3
V
PO
PWM Output
- 0.3
V
CC
+ 0.3
V
OC
Over Current Output Voltage
- 0.3
V
CC
+ 0.3
V
dVS/dt
Allowable Offset Voltage Slew Rate
50
V/ns
P
D
Maximum Power Dissipation
250
mW
R
thJA
Thermal Resistance, Junction to Ambient
90
篊/W
T
J
Junction Temperature
-40
125
篊
T
S
Storage Temperature
-55
150
篊
T
L
Lead Temperature (Soldering, 10 seconds)
300
篊
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
Definition
Min.
Max.
Units
V
BS
High Side Floating Supply Voltage (V
B
-
V
S
)
V
S
+ 8.0
V
S
+ 20
V
IR22771
-5
1200
V
V
S
High Side Floating Ground Voltage
IR21771
-5
600
V
V
in+
/ V
in-
High-Side Inputs Voltages
V
S
- 5.0
V
S
+ 5.0
V
G0 / G1 High-Side Range Selectors
Note 1
Note1
V
CC
Low Side Logic Fixed Supply Voltage
8
20
V
Sync
Low-Side Input Synchronization Signal
V
SS
V
CC
V
f
sync
Sync Input Frequency
4
20
kHz
PO
PWM Output
-0.3
Note 2
V
OC
Over Current Output Voltage
-0.3
Note 2
V
T
A
Ambient Temperature
-40
125
篊
Note 1: Shorted to V
S
or V
B
Note 2: Pull-Up Resistor to V
CC
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