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LM2770SD-1215 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No. de pieza LM2770SD-1215
Descripción Electrónicos  High Efficiency Switched Capacitor Step-Down DC/DC Regulator with Sleep Mode
Download  14 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2770SD-1215 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN Pin Voltage
-0.3V to 6.0V
EN, SLEEP, and V
SEL Pin Voltages
-0.3V to (V
IN+0.3V)
w/ 6.0V max
Continuous Power Dissipation
(Note 3)
Internally Limited
V
OUT Short to GND Duration
(Note 4)
Infinite
Junction Temperature (T
J-MAX)
150oC
Storage Temperature Range
-65oC to +150o C
Maximum Lead Temperature
(Note 5)
265oC
ESD Rating (Note 6)
Human Body Model:
Machine Model
2.0kV
200V
Operating Ratings (Notes 1, 2)
Input Voltage Range
2.7V to 5.5V
Recommended Load Current Range
0mA to 250mA
Junction Temperature (T
J) Range
-30˚C to +105˚C
Ambient Temperature (T
A) Range
(Note 6)
-30˚C to +85˚C
Thermal Properties
Juntion-to-Ambient Thermal
Resistance (
θ
JA), LLP10 Package
(Note 7)
55˚C/W
Electrical Characteristics (Notes 2, 9)
Limits in standard typeface are for T
J =25
oC. Limits in boldface type apply over the full operating junction temperature range
(-30˚C
≤ T
J
≤ +105˚C) . Unless otherwise noted, specifications apply to the LM2770 Typical Application Circuit (pg. 1) with: V
IN
= 3.6V; V(EN) = V
SEL = 1.8V, V(SLEEP) = 0V, CIN =COUT = 10µF, C1 =C2 = 1.0µF. (Note 10)
Symbol
Parameter
Condition
Min
Typ
Max
Units
Output Voltage Specifications: Specific to Individual LM2770 Options
V
OUT-1215
LM2770-1215:
1.5V Output Voltage Regulation
V
IN = 3.5V, IOUT = 150mA,
V
SEL = 1.8V
1.443
1.495
1.547
V
3.0V
≤ V
IN
≤ 4.5V
I
OUT = 150mA, VSEL = 1.8V
1.420
1.495
1.570
4.5V < V
IN
≤ 5.5V,
I
OUT = 150mA, VSEL = 1.8V
1.428
1.495
1.562
LM2770-1215:
1.2V Output Voltage Regulation
V
IN = 3.5V, IOUT = 150mA,
V
SEL =0V
1.157
1.205
1.253
3.0V
≤ V
IN
≤ 4.5V
I
OUT - 150mA, VSEL =0V
1.140
1.205
1.270
4.5V < V
IN
≤ 5.5V,
I
OUT = 150mA, VSEL =0V
1.135
1.205
1.275
V
OUT-12157
LM2770-12157:
1.575V Output Voltage
Regulation
V
IN = 3.5V, IOUT = 150mA,
V
SEL = 1.8V
1.528
1.575
1.622
V
3.1V
≤ V
IN
≤ 4.5V
I
OUT = 150mA, VSEL = 1.8V
1.500
1.575
1.650
4.5V < V
IN
≤ 5.5V,
I
OUT = 150mA, VSEL = 1.8V
1.504
1.575
1.646
LM2770-12157:
1.2V Output Voltage Regulation
V
IN = 3.5V, IOUT = 150mA,
V
SEL =0V
1.162
1.210
1.258
3.0V
≤ V
IN
≤ 4.5V
I
OUT - 150mA, VSEL =0V
1.145
1.210
1.275
4.5V < V
IN
≤ 5.5V,
I
OUT = 150mA, VSEL =0V
1.145
1.210
1.275
V
OUT/IOUT
Load Regulation
I
OUT = 1mA to 250mA
0.18
mV/mA
www.national.com
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