參數(shù)資料
型號(hào)： UC3725QTR
英文描述： Switch-mode driver for DC motors
中文描述： MOSFET驅(qū)動(dòng)器
文件頁數(shù)： 2/5頁
文件大小： 316K
代理商： UC3725QTR
CONNECTION DIAGRAMS
DIL-8 (Top View)
J Or N Package
UC1725
UC2725
UC3725
PACKAGE PIN FUNCTION
FUNCTION
N/C
I
SENSE
N/C
Timing
Enable
N/C
Input A
N/C
Input B
Gnd
V
CC
N/C
Output
PIN
1
2
3-5
6
7
8-9
11
12-14
15
16
17
18-19
20
PLCC-20 (Top View)
Q Package
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (pin 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V
Power inputs (pins 7 & 8). . . . . . . . . . . . . . . . . . . . . . . . . . . 30V
Output current, source or sink (pin 2)
DC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5A
Pulse (0.5 us) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0A
Enable and Current limit inputs (pins 4 & 6). . . . . . . . -0.3 to 6V
Power Dissipation at T
A
≤
25°C (DIL-8) . . . . . . . . . . . . . . . . 1W
Power Dissipation at T
A
≤
25°C (SO-14) . . . . . . . . . . . . 725mW
Lead Temperature (Soldering, 10 Seconds) . . . . . . . . . . 300°C
Note 1: Unless otherwise indicated, voltages are referenced to
ground and currents are positive into, negative out of, the speci-
fied terminals (pin numbers refer to DIL-8 package).
Note 2: See Unitrode Integrated Circuits databook for
information regarding thermal specifications and limitations of
packages.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
POWER INPUT SECTION (PINS 7 & 8)
Forward Diode Drop, Schottky Rectifier
I
F
= 50ma
I
F
= 500ma
.55
1.1
.7
1.5
V
V
CURRENT LIMIT SECTION (PIN 4)
Input bias current
Threshold voltage
Delay to outputs
TIMING SECTION (PIN 5)
Output Off Time
Upper Mono Threshold
Lower Mono Threshold
HYSTERESIS AMPLIFIER (PINS 7 & 8)
Input Open Circuit Voltage
Input Impedance
Hysteresis
Delay to Outputs
V
PIN4
= OV
-1
0.5
100
-10
0.6
250
μ
A
V
ns
0.4
V
PIN4
= 0 to 1V
27
6.3
1.9
30
7.0
2.0
33
7.7
2.3
μ
s
V
V
Inputs (pins 7 & 8), Open Circuited, T
A
= 25°C
T
A
= 25°C
7.0
23
26.5
Vcc/2
28
2*Vcc
100
8.0
33
30.5
300
V
k
V
ns
V
PIN7
- V
PIN8
= V
CC
+ 1V
ELECTRICAL CHARACTERISTICS:
(Unless otherwise stated, these specifications apply for -55
°
C
≤
T
A
≤
+125
°
C for
UC1725; -25
°
C
≤
T
A
≤
+85
°
C for UC2725; 0
°
C
≤
T
A
≤
+70
°
C for UC3725; V
CC
(pin 3) =
0 to 15V, R
T
=10k, C
T
=2.2nf, T
A
=T
J
, pin numbers refer to DIL-8 package.)
SOIC-16 (Top View)
DW Package
DIL-16 (Top View)
JE Or NE Package
2
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