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參數(shù)資料
| 型號(hào)： | CS3720XTVA7 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, PSFM7 |
| 封裝： | TO-220, 7 PIN |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大小： | 67K |
| 代理商： | CS3720XTVA7 |
1
Features
s
High Current (2A typ)
Output
s
TTL compatible
DIRECTION Control
s
Fault Protection
Overvoltage
Load Dump Protection to
74V
Package Options
7 Lead Power SIP
CS3720
2A H-Bridge Driver
Description
Block Diagram
CS3720
2
ENABLE1
4
DIRECTION
6
COIL+
8
Gnd
10 COIL–
12 VSS
14 ENABLE2
Absolute Maximum Ratings
1
7 Lead TO-220
7 Lead D2PAK
1
ENABLE1
2
DIRECTION
3
COIL+
4
Gnd
5VSS
6
COIL–
7
ENABLE2
December, 2001 - Rev. 5
ON Semiconductor
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885–3600 Fax: (401)885–5786
N. American Technical Support: 800-282-9855
Web Site: www.cherry–semi.com
ARCHIVE
DEVICE
NOT
RECOMMENDED
FOR
NEW
DESIGN
The CS3720 is high current (2A typ)
bidirectional DC motor driver. The
H-bridge output stage consists of
two pairs of power NPN transis-
tors, each with a VSAT=2.3V at
IOUT=2A (typ).
The three TTL compatible inputs,
ENABLE1, ENABLE2, and DIREC-
TION control the output stage.
When ENABLE1 is low and
ENABLE2 is high, DIRECTION
determines which way current
flows through the motor coil. Any
other combination of ENABLE set-
tings disables the outputs.
The CS3720 is protected against
overvoltage fault conditions. If a
fault condition is detected, the IC
shuts down.
DC Input Voltage ..................................................................................-0.3 to 28V
Transient Input Voltage ...................................................................... -0.3 to 74V
Internal Power Dissipation......................................................Internally limited
Junction Temperature Range .....................................................-40°C to +150°C
Storage Temperature Range.......................................................-65°C to +150°C
Lead Temperature Soldering
Wave Solder (through hole styles only) ............10 sec. max, 260°C peak
Reflow (SMD styles only) .............60 sec. max above 183°C, 230°C peak
Electrostatic Discharge (Human Body Model).............................................2kV
COIL +
Q1
COIL -
VSS
ENABLE1
ENABLE2
DIRECTION
Gnd
DRIVE
CONTROL
LOGIC
OUTPUT
DRIVER
–
OUTPUT
DRIVER
+
OUTPUT
DRIVER
+
Overvoltage
Protection
Transient
Protection
VREF
Over
Current
Protection
Q3
Q4
Q2
Over
Current
Protection
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