LM3687TL-1813 NSC [National Semiconductor], LM3687TL-1813 Datasheet - Page 5

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

Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Caution Notice
National Semiconductor recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper
ESD handling techniques can result in damage.
Electrical Characteristics
25°C. Limits appearing in boldface type apply over the full operating temperature range: -30°C
noted, V
10µF, C
DC-DC Converter
V
V
V
Enable pins,
Feedback pin,
SW pin
Continuous Power Dissipation
(Note 3)
Junction Temperature (T
Storage Temperature Range
Package Peak Reflow Temperature
(Pb-free, 10-20 sec.) (Note 4)
ESD Rating (Note 5)
Human Body Model:
Machine Model
V
R
R
I
F
LIM_DCDC
Symbol
IN_LIN
IN_LIN
IN_LIN
FB_DCDC
OSC
DSON(P)
DSON(N)
, V
≤
pin to V
VOUT_LIN
IN_LIN
V
BATT
BATT
Feedback Voltage
Accuracy
Line Regulation
Load Regulation
Pin-Pin Resistance for
PFET
Pin-Pin Resistance for
NFET
Switch Peak Current
Limit
Internal Oscillator
Frequency
= V
pins: Voltage to GND,
BATT
= 2.2µF, C
OUT_LIN(NOM)
Parameter
pin
J-MAX
VIN_LIN
+ 0.3V, V
)
(Note 11)
= 1.0µF, L = 2.2µH.
PWM Mode
V
= 150mA
100mA
Open loop (Note 14)
PWM Mode
OUT_DCDC
BATT
(V
-65°C to + 150°C
Internally Limited
≤
(Notes 2, 8)
= 3.6V, I
BATT
(GND-0.2V) to
I
OUT_DCDC
-0.2V to 6.0V
+ 1.0V
(Notes 2, 1)
+0.2V) with
6.0V max
Conditions
OUT_LIN
150°C
260°C
2.0kV
≤
200V
0.2V
≤
V
BATT
750mA
Typical values and limits appearing in standard typeface are for T
= 1mA, V
≤
5
5.5V, I
Operating Ratings
(Notes 1, 2)
Thermal Properties
Input Voltage Range V
(Note 12)
Input Voltage Range V
Junction Temperature (T
Ambient Temperature (T
(Note 6)
Junction-to-Ambient Thermal
Resistance (θ
(Note 7)
Micro SMD 9
EN_DCDC
OUT_DCDC
= V
EN_LIN
JA
Typical
0.0005
), for 4 layer board
1172
0.06
280
200
1.8
= V
BATT
BATT
IN_LIN
A
J
) Range
) Range
≤
, C
Min
-2.5
T
994
1.3
VBATT
J
≤
+125°C. Unless otherwise
Limit
= 4.7µF, C
(V
(
≥
OUT_LIN(NOM)
V
1380
+2.5
Max
OUT_LIN(NOM)
≥
500
400
2.3
V
-30°C to + 125°C
-30°C to + 125°C
OUT_DCDC(NOM)
VOUT_DCDC
2.7V to 5.5V
www.national.com
+ 0.25V)
%/mA
Units
70°C/W
MHz
%/V
to 4.5V
mΩ
mΩ
mA
+ 1.5V
%
1.0V)
and
A
=
=
+