參數(shù)資料
型號: IR3220S
廠商: International Rectifier
英文描述: FULLY PROTECTED H-BRIDGE FOR D.C. MOTOR
中文描述: 充分保護H型直流電橋
文件頁數(shù): 9/15頁
文件大?。?/td> 558K
代理商: IR3220S
IR3220S
WWW.IRF.COM
9
Switching Electrical Characteristics
Vcc = 14V, Resistive Load = 3.0
, T
j
= 25
o
C, (unless otherwise specified).
Symbol
Parameter
Tdon
Turn-on delay time
Tr1
Rise time to Vout = Vcc -5V
Tr2
Rise time from the end of Tr1 to
Vout = 90% of Vcc
dV/dt (on)
Turn ON dV/dt
Tdoff
Turn-off delay time
Tf
Fall time to Vout = 10% of Vcc
dV/dt (off)
Turn OFF dV/dt
IN1 (2) max. freq. Max. frequency on IN1 (IN2)
Min. Typ. Max. Units
55
3
Test Conditions
100
30
40
3
30
16
2
500
200
80
50
V/
μ
s
V/
μ
s
Hz
dt=0.5
none braking mode(2)
Soft-Start freq.
Ig1 (2) min.
Trd
Vg1
Tin1 (2)
Vst
Soft-Start oscillator frequency
Min. Gate 1 (Gate 2) current
Min. IN1 (2) OFF time to reset SS
Gate 1 (gate 2) voltage
Minimum IN1 (2) ON state for operation
Shoot-through protection threshold
15
50
200
1.1
22
80
8.0
7
350
2.3
30
550
3.3
kHz
mA
ms
V
μ
s
V
low side driver
C=3.3
μ
F, IN1 = IN2
See AN-1032
see figure 3
μ
s
μ
s
see figure 4
Symbol
Tsd
Isd
Treset
Parameter
Over-temperature threshold
Over-current threshold
Reset time
Min.
24
Typ.
165
30
100
Max. Units Test Condition
s
See figure 2
38
A
See figure 2
μ
S
IN1 = IN2 = 0V
o
C
Protection Characteristics
Note 1: The low side switches present sufficient cooling capability in order to have the whole H Bridge function protected
by the IR3220S inner temperature sensor.
Note 2: Switching in the none braking mode consists in cycling one of the inputs while the other one is held at the high logic
level.
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