LM3311SQ National Semiconductor Corporation, LM3311SQ Datasheet - Page 6

• Manufacturer Part Number: LM3311SQ
• Description: Step-up Pwm Dc/dc Converter With Integrated Ldo, Op-amp, And Gate Pulse Modulation Switch
• Manufacturer: National Semiconductor Corporation

www.national.com
I
V
%V
I
I
I
V
V
g
A
D
f
I
I
R
Th
Q
CL
B
SS
S
SHDN
L
m
FB
SS
IN
V
MAX
DSON
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Specifications in standard type face are for T
Range ( T
Symbol
SHDN
V
SW Voltage
FB Voltage
V
SHDN Voltage
FREQ
AV
Amplifier Inputs/Output
LV
ADJ Voltage
V
VGH Voltage
VGHM Voltage
VFLK, VDPM, V
CE Voltage (Note 2)
FB
IN
C
OUT
/ΔV
IN
IN
Voltage (Note 2)
IN
J
= −40°C to +125°C). Unless otherwise specified, V
Quiescent Current
Feedback Voltage
Feedback Voltage Line
Regulation
Switch Current Limit (Note 7)
FB Pin Bias Current (Note 9)
SS Pin Current
SS Pin Voltage
Input Voltage Range
Error Amp Transconductance ΔI = 5µA
Error Amp Voltage Gain
Maximum Duty Cycle
Switching Frequency
Shutdown Pin Current
Switch Leakage Current
Switch R
SHDN Threshold
DD
Voltage
DSON
Parameter
FB = 2V (Not Switching)
V
660kHz Switching
1.28MHz Switching
2.5V
(Note 8)
f
f
FREQ = Ground
FREQ = V
V
V
V
I
Output High, V
Output Low, V
S
S
SW
1.265V ± 0.3V
J
SHDN
SHDN
SHDN
SW
= 660kHz
= 1.28MHz
= 25°C and those with boldface type apply over the full Operating Temperature
1.265 + 0.3V
= 500mA
(Note 1)
Rail-to-Rail
= 20V
≤
= 0V
= 2.5V
= 0.3V
V
IN
Conditions
14.5V
IN
VGH
7.5V
7.5V
7.5V
7.5V
LV
LV
≤
21V
31V
V
V
7V
IN
IN
IN
IN
IN
IN
= 2.5V to 7V
= 2.5V to 7V
IN
6
= LV
Operating Conditions
RE Voltage
Maximum Junction
Temperature
Power Dissipation(Note 3)
Lead Temperature
ESD Susceptibility (Note 4)
Operating Junction
Temperature Range (Note 5)
Storage Temperature
Supply Voltage
Maximum SW Voltage
VGH Voltage Range
Op-Amp Supply, AV
LDO Supply, LV
IN
Vapor Phase (60 sec.)
Infrared (15 sec.)
Human Body Model
= 2.5V and I
(Note 5)
1.231
-0.26
1.20
Min
440
2.0
8.5
2.5
1.0
1.4
26
80
80
L
IN
= 0A.
IN
(Note 6)
1.263
0.089
0.04
1.24
1.28
0.03
0.18
Typ
690
660
2.1
3.1
2.6
27
11
74
69
91
89
8
1
(Note 5)
1.287
1100
Max
0.42
13.5
1.28
13.5
0.35
160
133
760
0.5
8.5
2.8
4.0
1.5
0.4
7
2
5
Internally Limited
−40°C to +125°C
−65°C to +150°C
2.5V to 7V
2.5V to 7V
5V to 30V
4V to 14V
150°C
300°C
215°C
220°C
Units
µmho
MHz
%/V
V/V
kHz
VGH
mA
µA
nA
µA
µA
µA
%
Ω
20V
V
A
V
V
V
2kV