LM26003MHX/NOPB National Semiconductor, LM26003MHX/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM26003MHX/NOPB
• Description: IC REG BUCK SW 3A 20-TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Step-Down (Buck)r

Specifications of LM26003MHX/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 35 V
• Current - Output: 3A
• Frequency - Switching: 150kHz ~ 500kHz
• Voltage - Input: 4 ~ 38 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Power - Output: 3.1W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM26003MHX

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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
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
SYNC_UP
SYNC_DN
FB
bias_th
DS(ON)
FREQ
SYNC
Sleep_VB
Sleep_VDD
PWM_VB
PWM_VDD
OUT
OUT
(Note
range
(Note
Symbol
/ΔV
/ΔI
OUT
6)
(Note
(Note
IN
7)
6)
6)
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
-0.3V to 7V
-0.3V to 6V
-0.3V to 7V
-0.3V to 7V
-0.3V to 7V
-1V to 40V
SW
1)
+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
4
= 0 mA to 5 mA
Operating Ratings
COMP
EN
FPWM
Storage Temperature
Power Dissipation
Recommended Lead
Temperature
ESD Susceptibility
Operating Junction Temp.
Supply Voltage
Conditions
Vapor Phase (70s)
Infrared (15s)
Human Body Model
< 1.15V
J
(Note
= 25°C only, and limits in boldface type apply
SW
SW
(Note
(Note
4)
1.217
0.040
5.50
2.64
Min
150
1.5
0.8
2)
3)
(Note
0.00025
(Note
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
5)
1)
-65°C to +150°C
1.255
0.200
−40°C to 125°C
±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
-0.3V to 7V
215°C
220°C
Unit
%/V
%/A
kHz
mA
mA
mA
mV
µA
µA
µA
µA
nA
µA
µA
nA
3.1W
%
%
%
V
V
V
Ω
V
V
2 kV