LP3913SQX-AC/NOPB National Semiconductor, LP3913SQX-AC/NOPB Datasheet - Page 10

IC PWR MANAGEMENT W/CHRGR 48-LLP

LP3913SQX-AC/NOPB

Manufacturer Part Number
LP3913SQX-AC/NOPB
Description
IC PWR MANAGEMENT W/CHRGR 48-LLP
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheet

Specifications of LP3913SQX-AC/NOPB

Applications
Handheld/Mobile Devices
Voltage - Supply
2.5 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-LLP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Other names
LP3913SQX-AC
www.national.com
VIN2
V
V
Accuracy
ΔV
I
V
PSRR
e
R
VIN2
V
ΔV
I
I
I
F
η
T
VIN3
V
SC
OUT
PFM
Q
N
OSC
ON
OUT
OUT
IN
OUT
OUT
SHUNT
LDO2: Low Drop Out Linear Regulator
Unless otherwise noted VIN1 = 3.6V, I
500 mΩ, C
type apply over the entire junction temperature range for operation, 0°C to +125°C.
BUCK1 Converter Electrical Characteristics
Unless otherwise noted, VIN2 = 3.6 V, V
appearing in normal type apply for T
for operation, 0°C to +125°C. Modulation mode is PWM mode with automatic switch to PFM at light loads.
BUCK2 Converter Electrical Characteristics
Unless otherwise noted, VIN3 = 3.6V, V
appearing in normal type apply for T
for operation, 0°C to +125°C. Modulation mode is PWM mode with automatic switch to PFM at light loads.
Symbol
OUT
OUT
Symbol
Symbol
– V
Range
Range
Range
OUT
VREFH
Operational Voltage Range
Output Voltage Programming Range
Output Voltage Accuracy
(Default V
Line Regulation
Load Regulation
Short Circuit Current Limit
Dropout Voltage
Power Supply Ripple Rejection
Analog Supply Output Noise Voltage
LDO Output Impedance
Input Voltage
Output Voltage Programming Range
Static Output Voltage Tolerance
Line Regulation
Load Regulation
Continuous Output Current
Peak Output Current Limit
Max I
Quiescent Current
Internal Oscillator Frequency
Peak Efficiency
Turn-on Time
Input Voltage
Output Voltage Programming Range
= 100 nF. Typical values and limits appearing in normal type apply for T
LOAD
OUT
, PFM Mode
)
Parameter
Parameter
Parameter
J
J
= 25°C. Limits appearing in boldface type apply over the entire junction temperature range
= 25°C. Limits appearing in boldface type apply over the entire junction temperature range
MAX
OUT
OUT
= 150 mA, V
= default value, C
= default value, C
0.80V–2.00V in 50 mV Steps
I
Load Regulation
I
V
100 mA < I
I
Buck1 Disabled
PWM Mode
To 95% Level (Note 9)
1.80V–3.30V in 100 mV Steps
T
1.3V–3.3V in 100 mV Steps
1 mA
and Load Regulation.
V
Load Current = I
V
Load Current = 1 mA to I
V
Load Current = I
F = 1 kHz, Load Current = I
F = 10 kHz, Load Current = I
10 Hz < F < 100 kHz
LDO Disabled, V
Value
OUT
OUT
OUT
OUT
IN2
A
IN
IN
OUT
= 25°C
= (V
= 3.6V,
= Default Value, C
= 2.5V − V
= 200 mA, Including Line and
= 10 mA
= 0 mA
= 0V
VIN3
VIN2
OUT
I
10
OUT
OUT
= 10 µF, C
= 10 µF, C
Conditions
Conditions
Conditions
+ 500 mV) to 5.5V,
< 300 mA
I
DD
MAX
MAX
MAX
OUT
, Over Full Line
= Default
SW1
SW1
VDD
MAX
= 10 µF, L
= 10 µF, L
= 10.0 µF, C
MAX
MAX
J
= 25°C. Limits appearing in boldface
SW2
SW1
Min
600
850
Min
Min
600
2.7
0.8
2.7
1.8
2.5
1.3
−3
LDO2
−3
= 2.2 µH Typical values and limits
= 2.2 µH Typical values and limits
= 1.0 µF, ESR = 5 mΩ–
0.002
1000
Typ
Typ
Typ
750
0.2
75
30
90
10
60
50
35
50
2
3
1150
Max
Max
Max
6.0
2.0
6.0
3.3
150
200
90
6.0
3.3
3
1
1
3
µVrms
%/mA
Units
Units
Units
MHz
%/V
mA
mA
mA
mV
mV
mA
mV
ms
µA
dB
%
%
%
V
V
V
V
V
V

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