IR3220 查看數據表（PDF） - International Rectifier
零件编号
产品描述 (功能)
生产厂家
IR3220 Datasheet PDF : 10 Pages
| |||
IR3220
Truth Table
IN1 IN2 MODES
DG
L L Stand-by with braking - sleep mode**
H
L H Foward rotation (normal operation)
H
L H Foward rotation (protection triiggered)
L
H L Reverse rotation (normal operation)
H
H L Reverse rotation (protection triggered)
L
H H Stand-by without braking
H
* During Soft-start sequence, the low side part is switching.
HS1
OFF
OFF
OFF
ON
OFF
OFF
LSS1
ON
ON*
ON*
OFF
OFF
OFF
HS2
OFF
ON
OFF
OFF
OFF
OFF
LSS2
ON
OFF
OFF
ON*
ON*
OFF
** Protections are reset in this mode
SS reset
ON
OFF
OFF
OFF
OFF
ON
Lead Definitions
Vcc
Positive power supply
M1
Motor 1 output ( high side source - leg 1 )
M2
Motor 2 output ( high side source - leg 2 )
G1
Gate 1 drive output ( low side gate - leg 1 )
G2
Gate 2 drive output ( low side gate - leg 2 )
Gnd
Power supply return
IN1
Logic input 1 ( Leg 1 Cdt. / mode )
IN2
Logic input 2 ( Leg 2 Cdt. / mode )
Dg
Diagnostic output ( open drain )
Vrc
Voltage ref. output ( soft-start RC )
SS
RC soft-start input ( the voltage on this input
drives the switching duty cycle )
Recommended Low Side MOSFET
e.g. IRF7413 OR a 10mΩ /40V - SOIC 8 packaged Power Mosfet
Lead Assignments
Vcc Vcc m 1 m 1 m 1 nc g1 Gnd In1Vrc
D DDD
Vcc Vcc m 2 m 2 m 2 nc g2 In2 Dg SS
20 Lead - SOIC (wide body)
IR3220
Part Number
SSSG
8 Lead - SOIC
e.g. IRF7474
WWW.IRF.COM
5
Share Link: 