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參數(shù)資料
| 型號(hào)： | LM2770 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | High Efficiency Switched Capacitor Step-Down DC/DC Regulator with Sleep Mode |
| 中文描述： | 高效率開(kāi)關(guān)電容降壓DC / DC變換器與睡眠模式穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大?。?/td> | 796K |
| 代理商： | LM2770 |
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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
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
www.national.com
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2770A-AABZ WAF | 制造商:Texas Instruments 功能描述: |
| LM2770SD-1215 | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| LM2770SD-1215/NOPB | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| LM2770SD-12157 | 制造商:Texas Instruments 功能描述:CONVERTER DC-DC STEP DOWN LLP-10 |
| LM2770SD-12157/NOPB | 功能描述:IC REG BUCK SWITCHED CAP 10-LLP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:降壓（降壓） 輸出類(lèi)型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開(kāi)關(guān):- 電流 - 輸出:125mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應(yīng)商設(shè)備封裝:SOT-6 其它名稱(chēng):MAX1836EUT33#TG16DKR |
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