參數(shù)資料
型號(hào)： IR22771STRPBF
廠商： International Rectifier
文件頁數(shù)： 2/16頁
文件大小： 441K
描述： IC CURRENT SENSE 16SOIC
標(biāo)準(zhǔn)包裝： 500
功能： 電流感應(yīng)
輸入電壓： 8 V ~ 20 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC
包裝： 帶卷 (TR)
 
  
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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