參數(shù)資料
型號(hào)： LXV16VB102M
廠商： National Semiconductor Corporation
英文描述： Non-synchronous Step-down Controller for Pentium Microprocessors
中文描述： 非同步降壓控制器，用于奔騰微處理器
文件頁(yè)數(shù)： 2/8頁(yè)
文件大?。?/td> 157K
代理商： LXV16VB102M
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Supply Volatge
ON/OFF Pin Input Voltage
Feedback Pin Voltage
Output Voltage to Ground
(Steady State)
Power Dissipation
Storage Temperature Range
ESD Susceptibility
Human Body Model (Note 2)
45V
0.3V
≤
V
≤
+25V
0.3V
≤
V
≤
+25V
1V
Internally Limited
65C to +150C
2 kV
Lead Temperature
M8 Package
Vapor Phase (60 seconds)
Infrared (15 seconds)
Maximum Junction Temperature
+215C
+220C
+150C
Operating Ratings
Temperature Range
Supply Voltage
40C
≤
T
J
≤
+125C
4.5V to 40V
LM2688-ADJ
Electrical Characteristics
Specifications with standard typeface are for T
J
= 25C, and those with
boldface type
apply over
full Operating Temperature
Range
. Unless otherwise specified, V
IN
= 12V, I
OUT
= 100 mA.
Symbol
Parameter
Conditions
LM2688-ADJ
Typ
(Note 3)
Units
(Limits)
Limit
(Note 4)
SYSTEM PARAMETERS (Note 5)
V
FB
Feedback Voltage
Converter Input = 5V
V
CORE
Programmed for 3V
Converter Input = 5V, V
CORE
= 2.8V, I
CORE
= 10A
1.230
V
η
Efficiency
86
%
DEVICE PARAMETERS
I
b
Feedback Bias Current
f
O
Oscillator Frequency
V
FB
= 1.3V
(Note 6)
10
150
50
/100
nA
kHz
127/
110
173/
173
kHz(min)
kHz(max)
V
V(max)
%
%
A
A(min)
A(max)
μA(max)
mA
mA(max)
mA
mA(max)
μA
μA(max)
C/W
V
SAT
Saturation Voltage
I
OUT
= 0.5A (Notes 7, 8)
0.9
1.1/
1.2
DC
Max Duty Cycle (ON)
Min Duty Cycle (OFF)
Current Limit
(Note 8)
(Note 9)
Peak Current, (Notes 7, 8)
100
0
0.8
I
CL
0.65/
0.58
1.3
/1.4
50
I
L
Output Leakage Current
(Notes 7, 9, 10) Output = 0V
Output = 1V
2
15
I
Q
Quiescent Current
(Note 9)
5
10
I
STBY
Standby Quiescent Current
ON/OFF Pin = 5V (OFF) (Note 10)
85
200/
250
θ
JA
ON/OFF CONTROL
Thermal Resistance
Junction to Ambient (Note 11)
150
ON/OFF Pin Logic Input
Threshold Voltage
1.3
V
V
IH
V
IL
I
H
Low (Regulator ON)
High (Regulator OFF)
V
LOGIC
= 2.5V (Regulator OFF)
0.6
2.0
V(min)
V(max)
μA
μA(max)
ON/OFF Pin
Input Current
5
15
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