lm26480sqx-bf National Semiconductor Corporation, lm26480sqx-bf Datasheet - Page 5

• Manufacturer Part Number: lm26480sqx-bf
• Description: Lm26480 Externally Programmable Dual High-current Step-down Dc/dc And Dual Linear Regulators
• Manufacturer: National Semiconductor Corporation

I
V
T
T
UVLO
V
V
ΔV
I
V
PSRR
θn
I
T
Q
SC
Q
SD
SDH
ON
POR
IN
FB
IN
Absolute Maximum Ratings
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
General Electrical Characteristics
Unless otherwise noted, V
boldface type apply over the entire junction temperature range for operation, −40°C to +125°C.
Low Drop Out Regulators, LDO1 and LDO2
Unless otherwise noted, V
T
(Note
VINLDO12, VIN1, AVDD, VIN2,
VINLDO1, VINLDO2, ENSW1,
FB1, FB2, ENSW2, ENLDO1,
ENLDO2, SYNC, FBL1, FBL2
GND to GND SLUG
Power Dissipation (P
Junction Temperature (T
Storage Temperature Range
Maximum Lead Temperature (Soldering)
ESD Ratings
Symbol
OUT
J
– V
Symbol
(Note
4)
= 25°C. Limits appearing in boldface type apply over the entire junction temperature range for operation, −40°C to +125°C.
OUT
(T
Human Body Model
2,
A
=85°C, T
Note
5)
7,
Operational Voltage Range
FB Voltage Accuracy
Line Regulation
Load Regulation
Short Circuit Current Limit
Dropout Voltage
Power Supply Ripple Rejection
Supply Output Noise
Quiescent Current “On”
Quiescent Current “On”
Quiescent Current “Off”
Turn On Time
Note
MAX
VINLDO12 Shutdown Current
Thermal Shutdown Threshold
Themal Shutdown Hysteresis
Power-On Reset Threshold
=125°C )
Under Voltage Lock Out
D_MAX
8,
Note
J-MAX
(Note
IN
IN
)
Parameter
= 3.6V. Typical values and limits appearing in normal type apply for T
= 3.6V, C
Parameter
9)
)
IN
= 1.0 µF, C
−65°C to +150°C
−0.3V to +6V
(Note
OUT
1,
1.17W
150°C
260°C
±0.3V
2 kV
Note
= 0.47 µF. Typical values and limits appearing in normal type apply for
VINLDO1 and VINLDO2 PMOS
pins
V
(Note
V
Load Current = 1 mA to I
LDO1-2, V
Load Current = 50 mA
(Note
F = 10 kHz, Load Current = I
10 Hz < F < 100 kHz
I
I
EN is de-asserted
Start up from shut-down
OUT
OUT
(Note
IN
IN
V
DD
= (V
= 3.6V,
= 0 mA
= 300 mA
(Note
12) Load Current = 1 mA
10)
Falling
5
1,
OUT
Conditions
Note
V
Conditions
OUT
(Note
(Note
15)
Operating Ratings: Bucks
2,
Thermal Properties
V
V
Junction Temperature (T
Ambient Temperature (T
(Note
Junction-to-Ambient Thermal
Resistance (θ
IN
+ 0.3V) to 5.0V
Failing
Rising
IN
EN
Note
= 3.6V
Edge(Note
= 0V
2,
13)
13)
Note
6)
7)
7,
MAX
16)
Note
JA
) SQA024AG
MAX
13,
Note
1.74
A
J
Min
Min
−3
) Range
) Range
16)
J
= 25°C. Limits appearing in
(Note
0.03
Typ
160
Typ
500
150
300
0.5
1.9
2.9
2.7
20
25
45
40
60
3,
Note
–40°C to +125°C
0 to (V
−40°C to +85°C
(Note
0.011
Max
Max
0.15
200
150
200
5.5
2.8V to 5.5V
5,
3
1
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Note
34.1°C/W
IN
1,
+ 0.3V)
Note
µVrms
%/mA
6)
Units
Units
µsec
%/V
mA
mV
µA
dB
µA
µA
µA
°C
°C
%
V
V
V
V