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參數(shù)資料
| 型號： | LP5550SQX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PowerWise Technology Compliant Energy Management Unit |
| 中文描述： | 0.75 A SWITCHING REGULATOR, 1360 kHz SWITCHING FREQ-MAX, QCC16 |
| 封裝： | LLP-16 |
| 文件頁數(shù)： | 7/25頁 |
| 文件大小： | 1056K |
| 代理商： | LP5550SQX |
LDO3 (Memory Retention Voltage) Characteristics
Unless otherwise noted, V
BAT1,2,SW
,
RESETN, ENABLE = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25C. Limits appearing in
boldface type apply over the entire junction temperature range for operation, -40 to +125C. (Notes 2, 7, 8) (Continued)
Symbol
I
OUT
Parameter
Recommended Output Current,
Active state
Recommended Output Current,
Sleep state
Short Circuit Current Limit,
Active state
Output Voltage Noise
Power Supply Ripple Rejection
Ratio
Output Capacitance
Output Capacitor ESR
Conditions
3.0V
≤
V
BAT1,2,SW
≤
5.5V
Min
Typ
50
Max
Units
mA
3.0V
≤
V
BAT1,2,SW
≤
5.5V
5
V
OUT
= 0V
230
eN
PSRR
10Hz
≤
f
≤
100kHz,C
OUT
= 1μF
f = 217Hz, C
OUT
= 1.0μF
0.158
36
mVRMS
dB
COUT
0μA
≤
I
OUT
≤
5mA
0.7
5
1
2.2
500
μF
m
Switcher (Core Voltage) Characteristics
= 3.6V. Typical values and limits appearing in normal type apply for TJ = 25C. Limits appearing in boldface type apply over
the entire junction temperature range for operation, -40 to +125C. (Notes 2, 7, 8)
Unless otherwise noted, V
BAT1,2,SW
, RESETN, ENABLE
Symbol
V
OUT
Accuracy
Parameter
Output Voltage
Conditions
I
OUT
= 1 mA, V
OUT
= 1.2V, 3.0V
<
V
BAT1,2,SW
<
5.5V
I
OUT
= 1-300 mA, 3.0V
<
V
BAT1,2,SW
<
5.5V
0mA
≤
I
OUT
≤
300mA, Programming
Resolution = 4.7mV
3.0V
<
V
BAT1,2,SW
<
5.5V,
I
OUT
= 10 mA
V
BAT1,2,SW
= 3.6V
I
OUT
= 100-300mA
Min
1.53%
Typ
Max
2.70%
Units
V
-0.44%
2.70%
V
OUT
Range
Programmable Output Voltage
Range
Line regulation
0.6
1.2
1.2
V
V
OUT
0.18
%/V
Load regulation
0.0019
%/mA
I
Q
R
DSON(P)
R
DSON(N)
I
LIM
f
OSC
C
OUT
Quiescent current consumption I
OUT
= 0mA
P-FET resistance
N-FET resistance
Switch peak current limit
Internal oscillator frequency
Output Capacitance
Output Capacitor ESR
Inductor inductance
V
FB
pin resistance to ground
15
360
250
620
1000
10
30
690
660
750
1360
22
500
μA
m
m
mA
kHz
μF
m
μH
k
V
BAT1,2,SW
= VGS = 3.6V
V
BAT1,2,SW
= VGS = 3.6V
3.0V
<
V
BAT1,2,SW
<
5.5V
PWM-mode
0mA
≤
I
OUT
≤
300mA
400
800
5
5
L
R
VFB
0uA
≤
I
OUT
≤
300mA
4.7 / 10
150
650
Logic and Control Inputs
and limits appearing in normal type apply for TJ = 25C. Limits appearing in boldface type apply over the entire junction tem-
perature range for operation, -40 to +125C. (Notes 2, 7, 8, 9)
Unless otherwise noted, V
BAT1,2,SW
, RESETN, ENABLE = 3.6V. Typical values
Symbol
V
IL
Parameter
Input Low Level
Conditions
ENABLE, RESETN, SPWI, SCLK
3.0V
≤
V
BAT1
≤
5.5V
ENABLE, RESETN 3.0V
≤
V
BAT1
≤
5.5V
SPWI, SCLK, 1.5V
≤
V
O2
≤
3.3V
ENABLE, RESETN, 0V
≤
V
BAT1
≤
5.5V
SPWI, SCLK, 1.5V
≤
V
O2
≤
3.3V
Min
Typ
Max
0.2
Units
V
V
IH
Input High Level
2
V
V
IH_PWI
I
IL
Input High Level, PWI
Logic Input Current
V
O2
-0.2V
-5
V
μA
5
I
IL_PWI
Logic Input Current, PWI
-5
15
μA
L
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LP5550SQX/NOPB | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| LP5551 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PowerWise⑩ Technology Compliant Energy Management Unit |
| LP5551SQ | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| LP5551SQ/NOPB | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| LP5551SQEV | 功能描述:電源管理IC開發(fā)工具 LP5551SQ EVAL BRD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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