LP3971SQ-B410EV National Semiconductor, LP3971SQ-B410EV Datasheet - Page 13

• Manufacturer Part Number: LP3971SQ-B410EV
• Description: BOARD EVALUATION LP3971SQ-B410
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3971SQ-B410EV

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 9, Non-Isolated
• Voltage - Input: 2.7 ~ 5.5V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: LP3971
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Not Compliant

V
Accuracy
ΔV
I
V
PSRR
I
T
C
SC
Q
Symbol
ON
OUT
IN
OUT
LDO 1 to 5
Unless otherwise noted, V
in normal type apply for T
−40°C to +125°C. (Notes 2, 6, 7, 10, 11, 15) and (Note 16).
LDO Dropout Voltage vs. Load Current Collect Data For All LDO’s
OUT
- V
OUT
Output Voltage Accuracy (Default
V
Line Regulation
Load Regulation
Short Circuit Current Limit
Dropout Voltage
Power Supply Ripple Rejection
Quiescent Current “On”
Quiescent Current “On”
Quiescent Current “Off”
Turn On Time
Output Capacitor
OUT
Dropout Voltage vs. Load Current
)
Parameter
J
IN
= 25°C. Limits appearing in boldface type apply over the entire junction temperature range for operation,
= 3.6V, C
IN
= 1.0 μF, C
Load Current = 1 mA
V
Current = 1 mA
V
Load Current = 1 mA to I
LDO1–4, V
LDO5, V
Load Current = 50 mA (Note 7)
f = 10 kHz, Load Current = I
I
I
EN is de-asserted
Start up from Shut-down
Capacitance for Stability
0°C
−40°C
ESR
OUT
OUT
IN
IN
OUT
20180729
=3.1V to 5.0V, (Note 11) Load
= 3.6V,
≤
= 0 mA
= I
= 0.47 µF, C
T
≤
MAX
J
OUT
T
≤
J
OUT
125°C
≤
Conditions
= 0V
125°C
= 0V
13
OUT
(V
RTC
MAX
Change in Output Voltage vs. Load Current
) = 1.0 μF ceramic. Typical values and limits appearing
MAX
0.33
0.68
Min
−3
5
0.03
0.47
Typ
400
500
300
1.0
45
40
60
0.011
Max
0.15
150
500
3
20180730
www.national.com
%/mA
Units
μsec
%/V
mΩ
mA
mV
dB
µA
µF
%