LX1671CLQ-TR MICROSEMI [Microsemi Corporation], LX1671CLQ-TR Datasheet - Page 4

• Manufacturer Part Number: LX1671CLQ-TR
• Description: Multiple Output LoadSHARE PWM
• Manufacturer: MICROSEMI [Microsemi Corporation]

Copyright © 2000
Rev. 1.2b, 2006-02-13
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C
otherwise noted and the following test conditions: V
SWITCHING REGULATORS
Input Voltage
Operation Current
Reference Voltage
Line Regulation (Note 2)
Load Regulation (Note 2)
Minimum Pulse Width
Maximum Duty Cycle
ERROR AMPLIFIERS
Input Offset Voltage
DC Open Loop Gain
Unity Gain Bandwidth
High Output Voltage
Low Output Voltage
Input Common Mode Range
Input Bias Current
CURRENT SENSE
Current Sense Bias Current
Trip Threshold
Current Sense Delay
Current Sense Comparator
Operating Current
OUTPUT DRIVERS – N-CHANNEL MOSFETS
Low Side Driver Operating Current
High Side Driver Operating Current
Drive Rise Time, Fall Time
High Level Output Voltage
Low Level Output Voltage
OSCILLATOR
PWM Switching Frequency
Ramp Amplitude
TM
Parameter
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
V
Symbol
E L E C T R I C A L C H A R A C T E R I S T I C S
CCL
UGBW
V
V
I
T
Vos
F
V
V
V
V
I
I
I
V
V
VCCL
T
I
RAMP
I
CSX
VCX
SET
TRIP
CSD
CC
, V
IN
SW
CC
OH
OL
RF
DH
SS
DL
Integrated Products, Power Management
CX
CC
Static and Dynamic
T
0°C
Load = 3000pF
Common Mode Input Voltage = 1V
I Source = 2 mA
I Sink = 10uA
Input Offset Voltage < 20mV
0 and 3.5 V Common Mode Voltage
V
Reference to VSX , V
Current into VSX pins
Static
Static
C
I
I
SOURCE
SINK
A
CSX
L
= 5V, V
=25°C
= 3000pF
≤
®
= 20mA,
= V
Microsemi
T
= 20mA,
VSX
A
≤
CCL
– 0.3V , V
70°C
V
= 5V, V
CCL
Test Conditions
V
CCL
= 12V
Multiple Output LoadSHARE™ PWM
VSX
= 12V
CX
VSX
= 5V
= 12V HOX = LOX = 3000pF Load
= 5V
P
RODUCTION
D
ATA
0.784
Min
-6.0
260
255
≤
4.5
3.8
0.1
85
45
10
-1
-1
T
S
A
HEET
≤
LX1671
Typ
0.15
1.25
70°C except where
100
300
350
300
0.8
5.0
2.5
12
70
16
50
50
11
2
3
Max
0.816
0.25
250
100
340
345
5.5
6.0
3.5
12
55
1
1
5
LX1671
Units
MHz
KHz
mA
mV
mV
mV
mA
mA
mA
V
nS
dB
nA
μA
nS
nS
%
%
%
V
V
V
V
V
V
V
V
PP
Page 4