參數(shù)資料
型號： LP5550SQ
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)： 6/25頁
文件大?。?/td> 1056K
代理商： LP5550SQ
LDO1 (PLL/Fixed 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
PSRR
Parameter
Conditions
f = 1kHz,C
OUT
= 2.2μF
f = 10kHz,C
OUT
= 2.2μF
0μA
≤
I
OUT
≤
100mA
Min
Typ
56
36
2.2
Max
Units
dB
dB
μF
m
μs
Power Supply Ripple Rejection
Ratio
C
OUT
Output CapacitanceOutput
Capacitor ESR
1
5
20
500
t
START-UP
Start-Up Time from Shut-down C
OUT
= 1μF, I
OUT
= 100mA
54
LDO2 (I/O Voltage) Characteristics
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 = 3.6V.
Symbol
V
OUT
Accuracy
V
OUT
Range
Parameter
Output Voltage
Conditions
1mA
≤
I
OUT
≤
250mA,V
OUT
= 3.3V,
V
OUT
+0.4V
≤
V
BAT1,2,SW
≤
5.5V
0μA
≤
I
OUT
≤
250mA, 1.5-2.3V
=100mV step, 2.5V, 2.8V, 3.0V and
3.3V
Min
-3%
Typ
3.3
Max
3%
Units
V
Programmable Output Voltage
Range
1.5
3.3
3.3
V
I
OUT
Recommended Output Current V
OUT
+0.4V
≤
V
BAT1,2,SW
≤
5.5V
Output Current Limit
Dropout Voltage(Note 10)
Quiescent Current
Line Regulation
250
mA
V
OUT
= 0V
I
OUT
= 125mA
I
OUT
= 0mA (Note 11)
V
OUT
+0.4V
≤
V
BAT1,2,SW
≤
5.5V,
I
OUT
= 125mA
V
IN
= 3.6V, 1mA
≤
I
OUT
≤
250mA
3.6V
≤
V
IN
≤
3.9V, T
RISE,FALL
= 10 us
V
IN
= 3.6V, 25mA
≤
I
OUT
≤
225 mA,
T
RISE,FALL
= 100 ns
10Hz
≤
f
≤
100kHz,C
OUT
= 4.7μF
f = 1kHz, C
OUT
= 4.7μF
f = 10kHz, C
OUT
= 4.7μF
0μA
≤
I
OUT
≤
250mA
740
260
60
0.0125
%/V
70
55
mV
μA
I
Q
V
OUT
-0.0125
Load Regulation
Line Transient Regulation
Load Transient Regulation
-0.011
0.011
%/mA
mV
mV
24
246
eN
PSRR
Output Noise Voltage
Power Supply Ripple Rejection
Ratio
0.120
46
34
4.7
mVRMS
dB
C
OUT
Output Capacitance
Output Capacitor ESR
Start-Up Time from Shut-down C
OUT
= 4.7μF, I
OUT
= 250mA
2
5
20
500
μF
m
μs
t
START-UP
144
LDO3 (Memory Retention Voltage) Characteristics
RESETN, ENABLE = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25C. Limits appearing in bold-
face type apply over the entire junction temperature range for operation, -40 to +125C. (Notes 2, 7, 8)
Unless otherwise noted, V
BAT1,2,SW
,
Symbol
V
OUT
Accuracy
Parameter
Output Voltage Active state:
Tracking V
AVS
Sleep state: Memory retention
voltage regulation
Active State Buffer offset (=
V
O3
-V
FB
)
Conditions
I
OUT
≤
50mA,VOUT = 1.2V, 3.0V
≤
V
BAT1,2,SW
≤
5.5V
I
OUT
≤
5mA,V
OUT
= 1.2V, 3.0V
≤
V
BAT1,2,SW
≤
5.5V
I
OUT
= 50 mA,
V
OUT
= 0.6 V
I
OUT
= 50 mA,
V
OUT
= 1.2V
0μA
≤
I
OUT
≤
5mA, Programming
Resolution=50mV
Active mode, I
OUT
= 10μA (Note 11)
Sleep mode, I
OUT
= 10μA (Note 11)
Min
-3%
Typ
1.2
Max
3%
Units
V
-3%
1.2
3%
V
V
OFFSET
13
mV
28
mV
V
OUT
Range
Programmable Output Voltage
Range (Sleep state)
Quiescent Current
0.6
1.2
1.35
V
I
Q
33
10
44
16
μA
μA
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP5550SQ/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
LP5550SQX 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
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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
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