LP8720TLE NSC [National Semiconductor], LP8720TLE Datasheet - Page 17

• Manufacturer Part Number: LP8720TLE
• Description: One Step-Down DC/DC and Five Linear Regulators with I2C Compatible Interface
• Manufacturer: NSC [National Semiconductor]

V
I
V
ΔV
e
PSRR
t
V
C
V
I
V
ΔV
e
PSRR
t
V
C
SC
START UP
SC
START UP
N
N
OUT
DO
Transient
OUT
DO
Transient
OUT
OUT
A-Type LDO Electrical Characteristics
Unless otherwise noted, V
values and limits appearing in normal type apply for T
temperature range for operation, T
D-Type and LO-Type LDO Electrical Characteristics
Unless otherwise noted, V
values and limits appearing in normal type apply for T
temperature range for operation, T
Symbol
Symbol
OUT
OUT
Output Voltage Accuracy
Output Current Limit
Dropout Voltage
Line Regulation
Load Regulation
Output Noise Voltage
Power Supply Ripple
Rejection Ratio
Start-Up Time from Shut-
down
Start-Up Transient
Overshoot
External output capacitance
for stability
Output Voltage Accuracy
Output Current Limit
Dropout Voltage
Line Regulation
Load Regulation
Output Noise Voltage
Power Supply Ripple
Rejection Ratio
Start-Up Time from Shut-
down
Start-Up Transient
Overshoot
External output capacitance
for stability
Parameter
Parameter
VBATT
VBATT
=V
=V
VINB
VINB
J
J
= -40 to +125°C.
= -40 to +125°C.
=V
=V
VIN1
VIN1
I
V
I
V
I
1mA
10Hz
(Note
f=10kHz, C
(Note
C
C
I
I
I
V
I
V
I
1mA
10Hz
(Note
f=10kHz, C
(Note
C
C
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
=V
=V
= 1mA, V
= I
= I
= 1mA, V
= 1mA, V
= 1mA, V
= I
= I
≤
≤
= 0V
+ 0.5V
= 0V
+ 0.5V
= 1µF, I
= 1µF, I
= 1µF, I
= 1µF, I
≤
≤
7)
7)
7)
7)
VIN2
VIN2
MAX
MAX
MAX
MAX
I
I
OUT
f
OUT
f
≤
≤
=3.6V, GND=GNDB=0V, C
=3.6V, GND=GNDB=0V, C
(Note
(Note
OUT
OUT
(Note
100kHz C
(Note
100kHz C
Conditions
Conditions
J
J
≤
≤
=25°C. Limits appearing in boldface type apply over the entire junction
=25°C. Limits appearing in boldface type apply over the entire junction
≤
≤
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
I
I
V
MAX
V
MAX
= 1µF I
= 1µF I
IN
IN
6)
6)
= I
= I
= I
= I
8)
8)
= 2.85V
= 2.85V
= 1.20V
= 2.60V
≤
≤
MAX
MAX
MAX
MAX
4.5V
4.5V
17
OUT
OUT
OUT
OUT
(Note
(Note
(Note
(Note
= 1µF
= 1µF
= 20mA
= 20mA
7)
7)
7)
7)
VBATT
VBATT
LDO#
LDO#
1,4,5
1,4,5
1,4,5
1,4,5
1,4,5
1,4,5
1,4,5
1,4,5
1,4,5
2,3
2,3
2,3
2,3
2,3
2,3
2,3
2,3
2,3
2,3
1,5
4
4
=C
=C
VIN1
VIN1
=C
=C
Typ
Typ
600
200
600
190
100
1.0
1.0
15
70
35
55
35
1
5
2
5
VIN2
VIN2
=2.2 µF, C
=2.2 µF, C
Min
Min
0.5
0.5
-2
-3
-2
-3
-2
-3
-3
-4
Limit
Limit
VINB
VINB
=10 µF. Typical
=10 µF. Typical
Max
Max
400
400
+2
+3
+2
+3
+2
+3
+3
+4
30
20
30
20
www.national.com
µV
µV
Units
Units
mA
mV
mV
mV
mV
mA
mV
mV
mV
mV
dB
µF
dB
µF
µs
µs
%
%
%
%
%
%
%
%
RMS
RMS