LX1660 查看數據表（PDF） - Microsemi Corporation
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LX1660 Datasheet PDF : 15 Pages
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PRODUCT DATABOOK 1996/1997
LX1660/1661
ADVANCED PWM CONTROLLER
PRODUCTION DATA SHEET
A B S O L U T E M A X I M U M R AT I N G S (Note 1)
Supply Voltage ............................................................................................................. 25V
Output Peak Current Source (500ns) ......................................................................... 1.5A
Output Peak Current Sink (500ns) ............................................................................. 1.5A
Analog Inputs ................................................................................................... -0.3 to +6V
Power Dissipation at TA = 25°C
N Package ............................................................................................................... 1.5W
D Package ........................................................................................................... 830mW
Operating Junction Temperature
Plastic (N, D Packages) ......................................................................................... 150°C
Storage Temperature Range .................................................................... -65°C to +150°C
Lead Temperature (Soldering, 10 Seconds) ............................................................. 300°C
Note 1. Exceeding these ratings could cause damage to the device. All voltages are with respect
to Ground. Currents are positive into, negative out of the specified terminal. Pin
numbers refer to DIL packages only.
T H E R MAL DATA
N PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
D PACKAGE:
65°C/W
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
120°C/W
Junction Temperature Calculation: TJ = TA + (PD x θJA).
The θJA numbers are guidelines for the thermal performance of the device/pc-board system.
All of the above assume no ambient airflow
PACKAGE PIN OUTS
EN 1
OTADJ
2
SGND 3
VREF
4
INV 5
NINV/SS 6
HICCUP 7
CT
8
16
VC1
15 TDRV
14 PGND
13 BDRV
12
VCC
11 SYNCEN
10 CS+
9 CS-
N PACKAGE
(Top View)
EN
OTADJ
SGND
VREF
INV
NINV/SS
HICCUP
CT
1 16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
VC1
TDRV
PGND
BDRV
VCC
SYNCEN
CS+
CS-
D PACKAGE
(Top View)
2
Copyright © 1998
Rev. 1.1 7/98
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