LM3687TL-1813 NSC [National Semiconductor], LM3687TL-1813 Datasheet - Page 6

• Manufacturer Part Number: LM3687TL-1813
• Description: Step-Down DC-DC Converter with Integrated Low Dropout Regulator and Startup Mode
• Manufacturer: NSC [National Semiconductor]

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Linear Regulator, Normal Mode
Startup LDO
ΔV
V
ΔV
ΔV
ΔV
ΔV
ΔV
V
I
I
PSRR
E
ΔV
ΔV
I
I
Q_VIN_LIN
SC_LIN
OUT
SC_LIN
OUT_LIN(NOM)
DO_VIN_LIN
N
Symbol
OUT_LIN
OUT_LIN
IN_LIN
OUT_LIN
BATT
OUT_LIN
OUT_LIN
OUT_LIN
Symbol
/
/
/
/ ΔmA Load Regulation Error I
Rated output current
Output Current (short
circuit)
Output Voltage
Accuracy
Line Regulation Error
Output Voltage
Dropout
(Note 10)
Quiescent Current into
V
Shutdown Current into
V
Output Current
(short circuit)
Power Supply
Rejection Ratio
Output Noise linear
regulator
Dynamic line transient
response V
Dynamic line transient
response V
Dynamic load transient
response
Parameter
IN_LIN
IN_LIN
Parameter
IN_LIN
BATT
V
OUT_LIN
In startup and normal mode
V
4.5V, V
V
(
I
V
(
I
V
(
I
V
V
Sine modulated V
f = 10Hz
f = 100Hz
f = 1kHz
Sine modulated V
f = 10Hz
f = 100Hz
f = 1kHz
f = 10kHz
10Hz - 100kHz
V
V
tr, tf = 10µs
V
V
tr, tf = 10µs
Pulsed load 0 ... 350mA
di/dt = 350mA/1µs
OUT_LIN
OUT_LIN
OUT_LIN
OUT_LIN
≥
≥
≥
IN_LIN
BATT
BATT
BATT
EN_LIN
OUT_LIN
IN_LIN
OUT_LIN(NOM)
BATT
OUT_LIN(NOM)
2.7V) to 5.5V
2.7V)
2.7V)
= 0V
= V
= V
= V
= V
= V
= V
BATT
= 0V
= 1mA to 350mA
= 350mA ,
= 150mA ,
= 0mA
Conditions
= 0V
OUT_LIN(NOM)
OUT_LIN(NOM)
OUT_LIN(NOM)
OUT_LIN(NOM)
OUT_LIN(NOM)
OUT_LIN(NOM)
= 4.5V
Condition
+ 0.9V
+ 2.1V
BATT
IN
6
+ 1.5V
+ 1.5V
+ 1.3V
,
+ 1.5V to
+ 0.3V to
+ 0.3V to
Typical
100
50
Typ
500
100
±15
±30
0.3
0.5
0.1
10
85
42
10
70
65
45
80
90
95
85
±1
Min
50
Min
-1.5
-2.0
350
Limit
Limit
Max
Max
200
100
1.5
2.0
3.1
60
28
1
1
µV/mA
µV
Units
Units
mV/V
mVp
mVp
mVp
mA
mA
mV
mV
mA
µA
µA
dB
dB
%
%
RMS