lm2612abpx National Semiconductor Corporation, lm2612abpx Datasheet - Page 3

• Manufacturer Part Number: lm2612abpx
• Description: 400ma Sub-miniature, Programmable, Step-down Dc-dc Converter For Ultra Low-voltage Circuits
• Manufacturer: National Semiconductor Corporation

V
V
V
I
I
I
R
R
R
I
V
V
V
V
V
V
I
SHDN
Q1
Q2
lim
VID
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Specifications with standard typeface are for T
perature Range (T
0V.
IN
FB
HYST
EN_H
EN_L
SYNC_H
SYNC_L
ID_H
ID_L
DSON (P)
DSON (N)
DSON , TC
PVIN, VDD, to SGND
PGND to SGND
EN, SYNC/MODE, VID0, VID1 to
SGND
FB, SW
Symbol
Input Voltage Range (Note
5)
Feedback Voltage
(Note 6)
PFM Comparator Hysteresis
Voltage
(Note 7)
Shutdown Supply Current
DC Bias Current into VDD
(V
Pin-Pin Resistance for P
FET
Pin-Pin Resistance for N
FET
FET Resistance
Temperature Coefficient
Switch Peak Current Limit
(Note 8)
EN Positive Going
Threshold Voltage
(Note 8)
EN Negative Going
Threshold Voltage
(Note 8)
SYNC/MODE Positive
Going Threshold Voltage
SYNC/MODE Negative
Going Threshold Voltage
V
Threshold Voltage
V
Threshold Voltage
VID1, VID0 Pull Down
Current
ID0
ID0
OUT
A
, V
, V
set to 1.5V)
= T
ID1
ID1
Parameter
J
Positive Going
Negative Going
= −25˚C to +85˚C). Unless otherwise specified, PVIN = VDD = EN = SYNC = 3.6V, VID0 = VID1 =
(GND −0.2V) to
−0.2V to +0.2V
−0.2V to +6V
−0.2V to +6V
(VDD +0.2V)
PVIN = VDD = VID1 = V
VID0 = 0V
VID0 = V
VID0 = V
VID0 = 0V, VID1 = 0V
VID0 = 0V, VID1 = V
PFM Mode (SYNC = 0V)
EN = 0V
No-Load, PFM mode
(SYNC/MODE = 0V)
No-Load, PWM mode
(SYNC/MODE = V
LM2612ABP & LM2612BBP
LM2612ABP & LM2612BBP
LM2612ABP
LM2612BBP
V
V
VID1, VID0 = 3.6V
A
(Note 1)
DD
DD
= T
= 3.6V
= 3.6V
J
= 25˚C, and those in bold face type apply over the full Operating Tem-
IN
IN
Conditions
, VID1 = V
, VID1 = 0V
3
IN
)
IN
Storage Temperature Range
Lead temperature
(Soldering, 10 sec.)
Junction Temperature (Note 2)
Minimum ESD Rating
Human body model, C = 100pF, R =
1.5 kΩ
Thermal Resistance (θ
LM2612ABP & LM2612BBP (Note 3)
IN
IN
,
1.274
1.470
1.764
1.00
1.70
Min
510
400
2.8
0.4
0.4
JA
)
1.05
1.30
1.50
2.54
2.00
0.95
0.92
0.83
Typ
150
555
370
330
690
690
1.8
0.1
0.5
0.9
1.8
16
1.326
1.530
1.836
Max
1.10
2.85
−45˚C to +150˚C
185
725
500
500
850
980
5.5
1.3
1.2
−25˚C to 125˚C
3
www.national.com
170˚C/W
±
260˚C
2.5kV
Units
%/C
mΩ
mΩ
mV
mA
µA
µA
µA
V
V
V
V
V
V
V
V