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参数资料
| 型号： | LX1662CDT |
| 元件分类： | 稳压器 |
| 英文描述： | 1.5 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封装： | PLASTIC, SOIC-14 |
| 文件页数： | 8/15页 |
| 文件大小： | 308K |
| 代理商： | LX1662CDT |
SINGLE-CHIP PROGRAMMABLE PWM CONTROLLERS WITH 5-BIT DAC
LX1662/62A, LX1663/63A
PRODUCT DA T ABOOK 1996/1997
Copyright 1999
Rev. 1.1 11/99
2
P RODUCTION D ATA S HEET
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage (V
C1) .................................................................................................... 25V
Supply Voltage (V
CC) .................................................................................................... 15V
Output Drive Peak Current Source (500ns) ............................................................... 1.5A
Output Drive Peak Current Sink (500ns) ................................................................... 1.5A
Input Voltage (SS, INV, V
CC_CORE, CT, VID0-VID4) ........................................... -0.3V to 6V
Operating Junction Temperature
Plastic (N & D Packages) ...................................................................................... 150°C
Storage Temperature Range .................................................................... -65°C to +150°C
Lead Temperature (Soldering, 10 Seconds) ............................................................. 300°C
PACKAGE PIN OUTS
V
C1
TDRV
GND
BDRV
V
CC
C
T
VID4
SS
INV
V
CC_CORE
VID0
VID1
VID2
VID3
1
14
213
312
411
510
69
78
N PACKAGE — 14-Pin
LX1662/1662A (Top View)
N PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
θθθθθ
JA
65°C/W
D PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
θθθθθ
JA
120°C/W
Junction Temperature Calculation:
T
J = TA + (PD x θJA).
The
θ
JA numbers are guidelines for the thermal performance of the device/pc-board system.
All of the above assume no ambient airflow
THERMAL DATA
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.
V
C1
TDRV
GND
BDRV
V
CC
C
T
VID4
SS
INV
V
CC_CORE
VID0
VID1
VID2
VID3
1
14
213
312
411
510
69
78
D PACKAGE — 14-Pin
LX1662/1662A (Top View)
V
C1
TDRV
GND
BDRV
V
CC
C
T
OV
PWRGD
SS
INV
V
CC_CORE
VID0
VID1
VID2
VID3
VID4
1
16
215
314
413
512
611
710
89
N PACKAGE — 16-Pin
LX1663/1663A (Top View)
V
C1
TDRV
GND
BDRV
V
CC
C
T
OV
PWRGD
SS
INV
V
CC_CORE
VID0
VID1
VID2
VID3
VID4
1
16
215
314
413
512
611
710
89
D PACKAGE — 16-Pin
LX1663/1663A (Top View)
DEVICE SELECTION GUIDE
OVP and
Current-Sense
DEVICE
Packages
Power Good
Comp. Thresh. (mV) Optimal Load
LX1662
14-pin SOIC
No
100
Pentium-class (<10A)
LX1662A
& DIP
60
Pentium II (> 10A)
LX1663
16-pin SOIC
Yes
100
Pentium-class (<10A)
LX1663A
& DIP
60
Pentium II (> 10A)
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| LX1663CDT | 1.5 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO16 |
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| LX1662ACD | 1.5 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO14 |
| LX1662CD | 1.5 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO14 |
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