lm2612atlx National Semiconductor Corporation, lm2612atlx Datasheet - Page 4

• Manufacturer Part Number: lm2612atlx
• Description: Ic Conv Dc/dc Stp-dwn 10microsmd
• Manufacturer: National Semiconductor Corporation

www.national.com
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
DSON (P)
DSON (N)
DSON , TC
EN_H
EN_L
SYNC_H
SYNC_L
ID_H
ID_L
PVIN, VDD, to SGND
PGND to SGND
EN, SYNC/MODE, VID0, VID1 to
SGND
FB, SW
Storage Temperature Range
Symbol
Input Voltage Range (Note
4)
Feedback Voltage
(Note 5)
PFM Comparator Hysteresis
Voltage
(Note 6)
Shutdown Supply Current
DC Bias Current into VDD
Pin-Pin Resistance for P
FET
Pin-Pin Resistance for N
FET
FET Resistance
Temperature Coefficient
Switch Peak Current Limit
(Note 7)
EN Positive Going
Threshold Voltage
EN Negative Going
Threshold Voltage
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
A
, V
, V
= 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 =
−45˚C to +150˚C
(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 switching, PFM mode
(SYNC/MODE = 0V)
No switching, PWM mode
(SYNC/MODE = V
LM2612ABL/LM2612ATL
LM2612BBL/LM2612BTL
VID1, VID0 = 3.6V
A
(Note 1)
= T
J
= 25˚C, and those in bold face type apply over the full Operating Tem-
IN
IN
Conditions
, VID1 = V
, VID1 = 0V
4
IN
)
IN
Lead temperature
(Soldering, 10 sec.)
Junction Temperature (Note 2)
Minimum ESD Rating
Human body model, C = 100pF, R =
1.5 kΩ
Thermal Resistance (θ
LM2612ABL/LM2612ATL &
LM2612BBL/LM2612BTL(Note 3)
IN
IN
,
1.029
1.274
1.470
1.764
Min
510
400
2.8
0.4
0.4
0.4
JA
)
1.05
1.30
1.50
0.02
0.95
0.80
0.95
0.84
0.92
0.83
Typ
160
605
395
325
710
710
1.8
0.5
1.8
25
1.071
1.326
1.530
1.836
Max
195
725
550
500
850
980
5.5
1.3
1.3
1.3
3.0
−25˚C to 125˚C
3
140˚C/W
260˚C
±
Units
%/C
2kV
mV
mΩ
mΩ
mA
µA
µA
µA
V
V
V
V
V
V
V
V