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參數(shù)資料
| 型號(hào)： | LM2770SDX-1215/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 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)： | 8/14頁 |
| 文件大?。?/td> | 796K |
| 代理商： | LM2770SDX-1215/NOPB |
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
Internally Limited
V
OUT Short to GND Duration
Infinite
Junction Temperature (T
J-MAX)
150oC
Storage Temperature Range
-65oC to +150o C
Maximum Lead Temperature
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
-30C to +105C
Ambient Temperature (T
A) Range
-30C to +85C
Thermal Properties
Juntion-to-Ambient Thermal
Resistance (
θ
JA), LLP10 Package
55C/W
Limits in standard typeface are for T
J =25
oC. 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
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
LM2770
www.national.com
3
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