LM26400YMH NSC [National Semiconductor], LM26400YMH Datasheet - Page 4

• Manufacturer Part Number: LM26400YMH
• Description: Dual 2A, 500kHz Wide Input Range Buck Regulator
• Manufacturer: NSC [National Semiconductor]

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V
ΔV
I
V
V
f
D
D
R
I
I
I
V
V
I
I
ΔΦ
I
FB
SW
CL
SD
Q
EN
SW_LEAK
SS
FB
UVLO
UVLO_HYS
EN_IH
EN_IL
MAX
MIN
DS_ON
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Unless otherwise stated, the following conditions apply: AVIN = PVIN = V
limits in boldface type apply over the junction temperature (T
guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at T
and are provided for reference purposes only.
AVIN, PVIN
SWx Voltage
BSTx Voltage
BSTx to SW Voltage
FBx Voltage
ENx Voltage (Note 2)
Symbol
FB_LINE
Voltages at FB1 and FB2 Pins
Line Regulation of FB1 and FB2
Voltages, Expressed as PPM
Change Per Volt of V
Variation
Current in FB1 and FB2 Pins
Under Voltage Lockout
Threshold
Hysteresis of UVLO Threshold
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
ON Resistance of Internal
Power MOSFET
Peak Current Limit of Internal
MOSFET
Shutdown Current of AVIN Pin EN1 = EN2 = 0V
Quiescent Current of AVIN Pin
(both channels are enabled but
not switching)
Input Logic High of EN1 and
EN2 Pins
Input Logic Low of EN1 and
EN2 Pins
EN1 and EN2 Currents (sink or
source)
Switch Leakage Current
Measured at SW1 and SW2
Pins
Phase Shift Between SW1 and
SW2 Rising Edges
SSx Pin Current
Parameter
IN
0°C to 85°C. Feedback Loop Closed.
-40°C to 125°C. Feedback Loop
Closed.
V
V
V
V
ETSSOP, 2A Drain Current
LLP, 2A Drain Current
EN1 = EN2 = 5V, FB1 = FB2 = 0.7V
EN1 = EN2 = SWx = 0
Feedback Loop Closed. Continuous
Conduction Mode.
−0.5V to 22V
−0.5V to 22V
−0.5V to 26V
−0.5V to 22V
IN
FB
IN
IN
(Note 1)
−0.5V to 6V
−0.5V to 3V
= 3V to 20V
Rises From 0V
Falls From 3.3V
= 0.6V
Conditions
J
) range of -40°C to 125°C. Minimum and Maximum limits are
4
Operating Ratings
SSx Voltage
Junction Temperature
ESD Susceptibility
Storage Temperature Range
V
Junction Temperature
IN
Human Body Model (Note 3)
IN
= 5V. Limits in standard type are for T
0.591
0.585
0.39
Min
170
2.0
0.2
2.5
2.5
90
11
0.36
0.52
Typ
175
194
180
0.6
0.4
2.7
2.3
66
96
16
2
3
2
5
1
(Note 1)
0.611
0.617
−40°C to +125°C
Max
0.55
0.65
250
320
350
0.4
190
2.9
4.5
21
-65°C to 150°C
4
J
= 25°C only;
−0.5V to 3V
3V to 20V
J
+150°C
= 25°C,
ppm/V
Units
MHz
mΩ
deg
mA
nA
nA
nA
µA
µA
2kV
%
%
V
V
V
A
V
V