lm2788mmx-1.8 National Semiconductor Corporation, lm2788mmx-1.8 Datasheet - Page 3

• Manufacturer Part Number: lm2788mmx-1.8
• Description: 120ma High Efficiency Step-down Switched Capacitor Voltage Converter
• Manufacturer: National Semiconductor Corporation

LM2788-1.8, LM2788-2.0
V
LM2788-1.5
V
All Output Voltage Options
I
I
V
E
E
t
f
I
Enable Pin (EN) Characteristics
V
V
I
Q
ON
SW
SC
EN
Symbol
SD
OUT
OUT
R
PEAK
AVG
IH
IL
Absolute Maximum Ratings
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
25
5.5V, V(EN) = V
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under which operation of
the device is guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed performance limits and associated test conditions, see the
Electrical Characteristics tables.
Note 2: All voltages are with respect to the potential at the GND pin.
Note 3: Voltage on the EN pin must not be brought above V
V
(Note 3)
Junction Temperature (T
Continuous Power Dissipation
(Note 4)
V
(Note 4)
Storage Temperature Range
Lead Temperature
(Soldering, 5 Sec.)
ESD Rating (Note 5)
IN
OUT
o
Human-body model:
Machine model
C. Limits in boldface type apply over the operating junction temperature range. Unless otherwise specified: 2.6 ≤ V
, EN pins: Voltage to Ground
Short-Circuit to GND Duration
Output Voltage Tolerance
Output Voltage Tolerance
Operating Supply Current
Shutdown Supply Current
Output Voltage Ripple
Peak Efficiency
Average Efficiency over
Li-Ion Input Voltage Range
(Note 11)
Turn-On Time
Switching Frequency
Short-Circuit Current
EN pin Logic-High Input
EN pin Logic-Low Input
EN pin input current
IN
, C
Parameter
1
= C
J-MAX-ABS
2
= 1µF, C
)
IN
= C
2.8V ≤ V
0mA ≤ I
4.2V ≤ V
0mA ≤ I
2.8V ≤ V
0mA ≤ I
4.2V ≤ V
0mA ≤ I
I
V(EN) = 0V
LM2788-1.8: V
LM2788-1.8: V
LM2788-1.5: 3.0 ≤ V
LM2788-1.8: 3.0 ≤ V
LM2788-2.0: 3.0 ≤ V
V
V
V
V
OUT
IN
IN
EN
EN
Internally Limited
−65˚C to 150˚C
OUT
= 3.6V, I
= 3.6, V
= 0V
= 5.5V
= 0mA
−0.3V to 5.6V
(Notes 2, 8) Limits in standard typeface and typical values apply for T
OUT
OUT
OUT
OUT
= 10µF. (Note 9)
IN
IN
IN
IN
IN
(Notes 1,
Unlimited
+ 0.3V.
≤ 4.2V
≤ 5.5V
≤ 4.2V
≤ 5.5V
OUT
≤ 120mA
≤ 120 mA
≤ 120 mA
≤ 120mA
OUT
150˚C
260˚C
200V
2 kV
IN
IN
= 0V
Conditions
= 120mA (Note 12)
= 3.6V, I
= 3.0V, I
IN
IN
IN
≤ 4.2V, I
≤ 4.2V, I
≤ 4.2V, I
3
OUT
OUT
Operating Ratings
Thermal Information
Input Voltage Range
Recommended Output Current
Range
Junction Temperature Range
Ambient Temperature Range
(Note 6)
Junction-to-Ambient Thermal
Resistance, MSOP-8 Package
(θ
JA
= 120mA
= 60mA
OUT
OUT
OUT
) (Note 7)
= 60mA
= 60mA
= 60mA
Min
0.9
-5
-6
-6
-6
0
Typ
500
0.1
0.4
32
20
90
76
82
75
25
30
(Notes 1, 2)
0
0mA to 120mA
-40˚C to 125˚C
Max
V
0.4
+5
+6
+6
+6
50
-40˚C to 85˚C
2
IN
2.6V to 5.5V
www.national.com
220˚C/W
J
=
IN
V
V
(Note 10)
(Note 10)
mV
Units
OUT (nom)
OUT (nom)
≤
% of
% of
kHz
mA
ms
µA
µA
nA
%
%
V
V
p-p