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LM3880MFX-1AB датащи(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали LM3880MFX-1AB
подробное описание детали  Power Sequencer
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3880MFX-1AB датащи(HTML) 6 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.
V
BATT pin to GND and QGND
-0.2V to 6.0V
Enable pins,
Feedback pins,
SW pin
(GND-0.2V) to
(V
BATT+0.2V) with
6.0V max
Junction Temperature (T
J-MAX )
150°C
Storage Temperature Range
-65°C to + 150°C
Continuous Power Dissipation
(Note 3)
Internally Limited
Maximum Lead Temperature
(Soldering)
(Note 4)
Operating Ratings
Input Voltage Range V
BATT
(DC-DC & LDO)
2.7V 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
Junction-to-Ambient Thermal
Resistance (
θ
JA) (Note 6)
Micro SMD 12
120°C/W
Electrical Characteristics (Notes 2, 7, 9, 10) Limits in standard typeface are for T
A = 25°C. Limits appearing
in boldface type apply over the full operating ambient temperature range: -40°C
T
A= TJ +85°C. Unless otherwise noted,
specifications apply to the closed loop typical application circuits (linear regulator) with V
IN_LDO = VBATT = 3.6V(Note 17) ,
V
IN_LILO = VOUT_DCDC(NOM), VEN (All) = VBATT, CIN_DC = 4.7 µF, COUT_LILO = 2.2 µF, CIN_LDO = 1.0 µF , COUT_LDO = 1.0 µF ,COUT_DC =
C
IN_LILO = 10 µF
Linear Regulator — LILO (EN_DCDC = EN_LILO = ON - Large NMOS)
Symbol
Parameter
Condition
Limits
Units
Min
Typ
Max
ΔV
OUT_LILO /
V
OUT_LILO
Output Voltage
Accuracy,
V
OUT_LILO
I
OUT_LILO = 1 mA to 350 mA
V
IN_LILO = VOUT_DCDC
V
BATT = 3.6V
1.176
1.2
1.224
V
ΔV
OUT_LILO / ΔmA
Load Regulation (Note
15)
I
OUT_LILO = 1 mA & 350 mA
V
IN_LILO = VOUT_DCDC
V
BATT = 3.6V
4
12
µV/mA
V
DROP
Dropout Voltage (Note
8)
V
BATT = VOUT_LILO + 1.5V
(V
IN_LILO disconnected from
V
OUT_DCDC),
I
OUT = 350 mA
50
80
mV
I
Q_VIN_LILO
Quiescent Current
V
BATT = VIN_LILO = 3.6V
70
90
µA
I
SC_LILO
Short Circuit Current
Limit
V
OUT = GND (VOUT_LILO = 0 )
400
mA
LILO (EN_DCDC = OFF, EN_LILO = ON - SMALL NMOS)
ΔV
OUT_LILO /
V
OUT_LILO
Output Voltage
Accuracy,
V
OUT_LILO
I
OUT = 1 mA to 50 mA
1.176
1.224
V
ΔV
OUT_LILO /
ΔV
BATT
Line Regulation
(Small NMOS) (Note
14)
V
IN_LILO = (VOUT_LILO + 0.3V) to 5.5V
0.4
1.5
mV/V
I
SC_LILO
Short circuit current
V
OUT_LILO = GND
70
mA
T
STARTUP
Start up time
EN to 0.95V
OUT
70
µS
System Characteristic (Note 13)
PSRR
Power Supply Rejection
Ratio(Note 12)
Signal to V
BATT = 3.6V,
V
IN_LILO = 1.8V
I
OUT = 200 mA,
f = 100 Hz
68
dB
Signal to V
IN_LILO = 1.8V
I
OUT = 200 mA,
f = 1kHz
60
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6


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