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LP5550SQX Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LP5550SQX
Description  PowerWise Technology Compliant Energy Management Unit
Download  25 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP5550SQX Datasheet(HTML) 5 Page - National Semiconductor (TI)

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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.
VBAT1, VBAT2, VBATSW
-0.3 to +6.0V
VO1, VO2, VO3 to GND
-0.3 to +VBAT1+0.3V
ENABLE, RESETN, VFB,
SW,
SPWI, SCLK, PWROK
-0.3 to VBAT2+0.3V
DGND, AGND, SWGND to
GND SLUG
±0.3V
Junction Temperature
(TJ-MAX)
150˚C
Storage Temperature Range
-65˚C to 150˚C
Maximum Continuous
Power Dissipation
(PD-MAX) (Note 3)
1.0 W
Maximum Lead
Temperature (Soldering)
Note 4
ESD Rating (Note 3)
Human Body Model:
SW pin
1.0kV
All other pins
2.0kV
Operating Ratings (Notes 1, 2)
VBAT1, VBAT2, VBATSW
3.0V to 5.5V
Junction Temperature (T
J)
Range
−40˚C to +125˚C
Ambient Temperature (T
A)
Range(Note 5)
−40˚C to +85˚C
Thermal Properties(Note 6)
Junction-to-Ambient
Thermal Resistance (
θ
JA)
39.8˚C/W
General Electrical Characteristics Unless otherwise noted, V
BAT1,2,SW , RESETN, ENABLE = 3.6V.
Typical values and limits appearing in normal type apply for TJ = 25˚C. Limits appearing in boldface type apply over the entire
junction temperature range for operation, -40 to +125˚C. (Notes 2, 7, 8, 9)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
I
Q
Shutdown Supply current
V
BAT1,2,SW = 2.0V, all circuits off.
1
6
µA
Sleep State Supply Current
(V
O3 load 1 mA)
V
BAT1,2,SW = 3.6V, LDO3 (VO3) on,
PWI on. All other circuits off.
70
85
µA
Acitve State Supply Current
(No load, PFM mode)
V
BAT1,2,SW = 3.6V, LDOs 1 and 2 on,
Switcher on, PWI on.
140
165
µA
T
SD
Thermal Shutdown Threshold
160
˚C
Thermal Shutdown Hysteresis
10
LDO1 (PLL/Fixed Voltage) Characteristics Unless otherwise noted, V
BAT1,2,SW, RESETN, EN-
ABLE = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25˚C. Limits appearing in boldface type apply
over the entire junction temperature range for operation, -40 to +125˚C. (Notes 2, 7, 8)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
OUT
Accuracy
Output Voltage
1mA
≤ IOUT ≤ 100mA,V
OUT = 2V,
3.0V
≤ V
BAT1,2,SW
≤ 5.5V
-3%
2
3%
V
V
OUT Range
Programmable Output Voltage
Range
0µA
≤ I
OUT
≤ 100mA, Programming
Resolution=100mV
0.7
1.2
2.2
V
I
OUT
Recommended Output Current 3.0V
≤ VBAT1,2,SW ≤ 5.5V
100
mA
Short Circuit Current Limit
V
OUT =0V
350
I
Q
Quiescent Current
I
OUT = 0mA(Note 11)
35
45
µA
∆V
OUT
Line Regulation
3.0V
≤ V
BAT1,2,SW
≤ 5.5V, I
OUT =
50mA
-0.0125
0.0125 %/V
Load Regulation
V
IN = 3.6V, 1mA
≤ I
OUT
≤ 100mA
-0.0085
0.0085 %/mA
Line Transient Regulation
3.6V
≤ V
IN
≤ 3.9V, TRISE,FALL = 10
µs
27
mV
Load Transient Regulation
V
IN = 3.6V, 10mA
≤ I
OUT
≤ 90 mA,
TRISE,FALL = 100 ns
86
mV
eN
Output Noise Voltage
10Hz
≤ f ≤ 100kHz,C
OUT = 2.2µF
0.103
mVRMS
www.national.com
5


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