LM26003MH NSC [National Semiconductor], LM26003MH Datasheet - Page 3

• Manufacturer Part Number: LM26003MH
• Description: 3A Switching Regulator with High Efficiency Sleep 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.
Electrical Characteristics
over the junction temperature (T
are guaranteed through test, design, or statistical correlation.
Voltages from the indicated pins to GND:
VIN
SW (Note 7)
VDD
VBIAS
FB
BOOT
PGOOD
FREQ
SYNC
System
I
Iq
Iq
Iq
Iq
I
I
V
I
ΔV
ΔV
VDD
I
V
Switching
R
I
f
V
f
V
I
F
F
SD
BIAS_Sleep
BIAS_PWM
FB
SS_Source
sw_off
sw
SW
SYNC
FB
bias_th
FREQ
SYNC
SYNC_UP
SYNC_DN
DS(ON)
Sleep_VB
Sleep_VDD
PWM_VB
PWM_VDD
OUT
OUT
(Note 6)
range
Symbol
/ΔV
/ΔI
OUT
(Note 6)
(Note 6)
IN
Shutdown Current
Quiescent Current
Quiescent Current
Quiescent Current
Quiescent Current
Bias Current
Bias Current
Feedback Voltage
FB Bias Current
Output Voltage Line Regulation
Output Voltage Load Regulation
VDD Pin Output Voltage
Soft-start Source Current
VBIAS On Voltage
Switch On Resistance
Switch Off State Leakage Current
Switching Frequency
FREQ Voltage
Switching Frequency Range
Sync Pin Threshold
Sync Pin Hysteresis
SYNC Leakage Current
Upper Frequency Synchronization
Range
Lower Frequency Synchronization
Range
J
) range of -40°C to +125°C. Unless otherwise stated, Vin = 12V. Minimum and Maximum limits
Parameter
V
SW
-0.3V to V
Specifications in standard type are for T
-0.3V to 40V
-0.3V to 10V
(Note 1)
-0.3V to 7V
-0.3V to 6V
-0.3V to 7V
-0.3V to 7V
-0.3V to 7V
-1V to 40V
SW
+7V
EN = 0V
Sleep mode, VBIAS = 5V
Sleep mode, VBIAS = GND
PWM mode, VBIAS = 5V
FPWM = 2V
PWM mode, VBIAS = GND
FPWM = 2V
Sleep mode, VBIAS = 5V
PWM mode, VBIAS = 5V
5V < Vin < 38V
VFB = 1.20V
5V < Vin < 38V
0.8V < V
7V < Vin < 35V
I
Specified at IBIAS = 92.5% of
full value
Isw = 2A
Vin = 38V, VSW = 0V
RFREQ = 62k, 124k, 240k
SYNC rising
SYNC falling
As compared to nominal f
As compared to nominal f
VDD
3
= 0 mA to 5 mA
Operating Ratings
COMP
EN
FPWM
Storage Temperature
Power Dissipation (Note 2)
Recommended Lead
Temperature
ESD Susceptibility (Note 3)
Operating Junction Temp.
Supply Voltage (Note 4)
Conditions
Vapor Phase (70s)
Infrared (15s)
Human Body Model
< 1.15V
J
= 25°C only, and limits in boldface type apply
SW
SW
1.217
0.040
5.50
2.64
Min
150
1.5
0.8
(Note 5)
0.00025
(Note 1)
1.236
0.095
0.002
10.8
0.16
0.65
0.08
5.99
1.23
1.10
Typ
135
0.5
2.5
2.9
1.0
40
76
33
2
-65°C to +150°C
−40°C to 125°C
1.255
0.200
±200
Max
0.23
0.85
6.50
3.07
125
±10
500
+30
0.7
4.6
5.0
1.6
-20
20
70
60
-0.3V to 40V
3.0V to 38V
www.national.com
-0.3V to 7V
215°C
220°C
Unit
%/V
%/A
kHz
mA
mA
mA
mV
3.1W
µA
µA
µA
µA
nA
µA
µA
nA
Ω
%
%
%
V
V
V
V
V
2 kV