LM3350 National Semiconductor, LM3350 Datasheet - Page 2

• Manufacturer Part Number: LM3350
• Description: Switched Capacitor Voltage Converter
• Manufacturer: National Semiconductor

www.national.com
Symbol
Symbol
V
V
V
I
I
Z
f
V
I
P
V
V
V
I
Q1
Q2
SW
Enable
Q1
Electrical Characteristics
3/2 Step-Up Voltage Converter
Electrical Characteristics
2/3 Step-Down Voltage Converter
Specifications in standard type face are for T
range. Unless otherwise specified, V
Specifications in standard type face are for T
range. Unless otherwise specified, V
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
out
out NL
out FL
in
Enable
out NL
out FL
in
Maximum Input Voltage, Step-Down
Maximum Input Voltage, Step-Up
Power Dissipation (P
(Note 2))
Tj Max (Note 2)
ja
(Note 2)
Output Voltage at
No Load
Output Voltage at
50 mA
Input Supply
Voltage Range
Quiescent Current
Quiescent Current
Output Source
Impedance
Switching
Frequency
Enable Threshold
Voltage
Leakage Current
Power Efficiency
Output Voltage at
No Load
Output Voltage at
50 mA
Input Supply
Voltage Range
Quiescent Current
Parameter
Parameter
D
) (T
A
=25˚C,
C1, C2, C
0.33
C1, C2, C
0.33
Shutdown Mode, V
I
Normal Mode, I
pin V
I
(Note 6)
Current into ENABLE pin; ENABLE =
5V and all other pins at ground
C1, C2, C
0.33
C1, C2, C
0.33
Shutdown Mode, V
I
load
load
load
in
high
=0 A; Current into pin V
=0 A; Current into pin V
= 3.3V, V
= 50 mA
Iow
= 5V, V
at 1MHz. I
at 1MHz. I
at 1MHz. I
at 1MHz. I
in
in
in
in
j
j
= 25˚C, and those with boldface type apply over full operating temperature
= 25˚C, and those with boldface type apply over full operating temperature
and C
and C
and C
and C
(Note 1)
Conditions
Conditions
Enable
Enable
Ioad
250˚C/W
500 mW
load
load
load
load
out
out
out
out
150˚C
3.65V
Enable
Enable
= 0A; Current into
5.5V
= 3.3V, I
= 5V, I
: 0.33µF, esr
: 0.33µF, esr
: 0.33µF, esr
: 0.33 µF, esr
=50 mA
= 0 A
= 50 mA
= 0 A
= 0V,
= 0V,
load
low
high
2
load
= 50 mA.
Operating Conditions
= 50 mA.
Storage Temperature
Lead Temperature (Soldering, 10
secs)
ESD Susceptibility (Note 3)
Not short circuit protected.
Ambient Temperature Range
Typ (Note 4)
Typ (Note 4)
0.025
0.025
3.75
0.25
800
5.0
4.7
3.3
4.2
1.7
3.3
3.2
90
5
Limits (Note 5)
Limits (Note 5)
1100
3.65
6.25
500
2.5
1.0
2.5
2.2
5.5
3
5
1
3
(Note 1)
−40˚C to + 85˚C
−65˚C to +150˚C
kHz(Max)
mA(Max)
kHz(Min)
µA(Max)
µA(Max)
µA(Max)
V(Max)
V(Max)
V(Max)
V(Min)
V(Min)
V(Min)
Units
Units
kHz
mA
(Max)
260˚C
µA
µA
µA
%
V
V
V
V
V
V
V
2kV