參數(shù)資料
型號： LM2770SDX-12157
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： High Efficiency Switched Capacitor Step-Down DC/DC Regulator with Sleep Mode
中文描述： SWITCHED CAPACITOR REGULATOR, 925 kHz SWITCHING FREQ-MAX, DSO10
封裝： 3 X 3 MM, 0.80 MM HEIGHT, LEAD FREE, PLL-10
文件頁數(shù)： 3/14頁
文件大?。?/td> 796K
代理商： LM2770SDX-12157
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
EN, SLEEP, and V
SEL
Pin Voltages
-0.3V to 6.0V
-0.3V to (V
IN
+0.3V)
w/ 6.0V max
Internally Limited
Continuous Power Dissipation
(Note 3)
V
OUT
Short to GND Duration
(Note 4)
Junction Temperature (T
J-MAX
)
Storage Temperature Range
Maximum Lead Temperature
(Note 5)
ESD Rating (Note 6)
Human Body Model:
Machine Model
Infinite
150
o
C
-65
o
C to +150
o
C
265
o
C
2.0kV
200V
Operating Ratings
(Notes 1, 2)
Input Voltage Range
Recommended Load Current Range
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 6)
2.7V to 5.5V
0mA to 250mA
-30C to +105C
-30C to +85C
Thermal Properties
Juntion-to-Ambient Thermal
Resistance (
θ
JA
), LLP10 Package
(Note 7)
55C/W
Electrical Characteristics
Limits in standard typeface are for T
J
= 25
o
C. Limits in
boldface
type apply over the full operating junction temperature range
(-30C
≤
T
J
≤
+105C) . 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, C
IN
= C
OUT
= 10μF, C
1
= C
2
= 1.0μF. (Note 10)
Symbol
Parameter
Condition
Output Voltage Specifications: Specific to Individual LM2770 Options
V
OUT-1215
LM2770-1215:
1.5V Output Voltage Regulation
V
SEL
= 1.8V
3.0V
≤
V
IN
≤
4.5V
I
OUT
= 150mA, V
SEL
= 1.8V
4.5V
<
V
IN
≤
5.5V,
I
OUT
= 150mA, V
SEL
= 1.8V
LM2770-1215:
1.2V Output Voltage Regulation
V
SEL
= 0V
3.0V
≤
V
IN
≤
4.5V
I
OUT
- 150mA, V
SEL
=0V
4.5V
<
V
IN
≤
5.5V,
I
OUT
= 150mA, V
SEL
= 0V
V
OUT-12157
LM2770-12157:
1.575V Output Voltage
Regulation
3.1V
≤
V
IN
≤
4.5V
I
OUT
= 150mA, V
SEL
= 1.8V
4.5V
<
V
IN
≤
5.5V,
I
OUT
= 150mA, V
SEL
= 1.8V
LM2770-12157:
1.2V Output Voltage Regulation
V
SEL
= 0V
3.0V
≤
V
IN
≤
4.5V
I
OUT
- 150mA, V
SEL
=0V
4.5V
<
V
IN
≤
5.5V,
I
OUT
= 150mA, V
SEL
= 0V
V
OUT
/I
OUT
Load Regulation
I
OUT
= 1mA to 250mA
(Notes 2, 9)
Min
Typ
Max
Units
V
IN
= 3.5V, I
OUT
= 150mA,
1.443
1.495
1.547
V
1.420
1.495
1.570
1.428
1.495
1.562
V
IN
= 3.5V, I
OUT
= 150mA,
1.157
1.205
1.253
1.140
1.205
1.270
1.135
1.205
1.275
V
IN
= 3.5V, I
OUT
= 150mA,
V
SEL
= 1.8V
1.528
1.575
1.622
V
1.500
1.575
1.650
1.504
1.575
1.646
V
IN
= 3.5V, I
OUT
= 150mA,
1.162
1.210
1.258
1.145
1.210
1.275
1.145
1.210
1.275
0.18
mV/mA
L
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相關代理商/技術參數(shù)
參數(shù)描述
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