参数资料
型号: LX1672-06CLQ-TR
厂商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分类: 稳压器
英文描述: 1 A DUAL SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PQCC38
封装: ROHS COMPLIANT, PLASTIC, MLPQ-38
文件页数: 12/20页
文件大小: 382K
代理商: LX1672-06CLQ-TR
PRODUCTION DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
Copyright
2000
Rev. 1.0, 2005-08-10
WWW
.Microse
m
i
.CO
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LX1672
Multiple Output LoadSHARE PWM
TM
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC) DC.................................................................-0.3V to 5.5V
Driver Supply Voltage (VC
x, V
CCL) DC ............................................-0.3V to 12V
Current Sense Inputs (VSX, CSX) ....................................................... -0.3V to 12V
Error Amplifier Inputs (FBX, RF2, LDFB)........................................-0.3V to 5.5V
Input Voltage (SS / Enable, LDDIS) .................................................-0.3V to5.5V
Output Drive Peak Current Source (HOx, LOx)....................................1A (500ns)
Output Drive Peak Current Sink (HOx, LOx) .......................................1A (500ns)
Operating Junction Temperature.................................................................. 150
°C
Storage Temperature Range...........................................................-65
°C to 150°C
Peak Package Solder Reflow Temp.(40 second max. exposure) .... 260°C (+0, -5)
Note: Exceeding these ratings could cause damage to the device. All voltages are with
respect to Ground. Currents are positive into, negative out of specified
terminal.
x= Denote Phases 1 & 2
TH ERMAL DATA
PW
Plastic TSSOP 28-Pin
THERMAL RESISTANCE
-JUNCTION TO AMBIENT,
θ
JA
85
°C/W
LQ
Plastic MLPQ 38-Pin
THERMAL RESISTANCE
-JUNCTION TO AMBIENT,
θ
JA
35°C/W
Junction Temperature Calculation: TJ = TA + (PD x θJC).
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 OUT
HO2
2
3
4
5
6
7
8
9
10
11
12
13
14
1
27
26
25
24
23
22
21
20
19
18
17
16
15
28
LO2
PG2
LDGD
LDFB
LDDIS
DGND
AGND
DIS2
SS2
RF2
FB2
EO2
CS2
VC2
VC1
HO1
LO1
PG1
VCCL
VCC
VS1
CS1
EO1
FB1
SS1
DIS1
VS2
PW PACKAGE
(Top View)
HO2
VC2
LDGD
LDFB
LDDIS
DGND
AGND
SS2
RF2
FB2
EO2
N.C.
DIS1
DIS2
VCC
VCCL
N.C.
N.C
.
VC
1
HO
1
LO
1
PG
1
LO
2
CS
2
VS
2
SS
1
FB1
EO
1
CS1
VS
1
RSVD
N.C.
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Connect Bottom to
Power GND
PWGD
N.C.
(N.C. – No Internal Connection
N/U – Not Used)
RoHS / Pb-free 100% Matte Tin Lead Finish
PP
AA
CC
KK
AA
GG
EE
DD
AA
TT
AA
相关PDF资料
PDF描述
LX1672-03CPW-TR 1 A DUAL SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO28
LX1672-03CLQ-TR 1 A DUAL SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PQCC38
LX1673-06CLQT 1 A SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PQCC20
LX1673-03CLQT 1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PQCC20
LX1673-09CLQT 1 A SWITCHING CONTROLLER, 1035 kHz SWITCHING FREQ-MAX, PQCC20
相关代理商/技术参数
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