LM26001EVAL National Semiconductor, LM26001EVAL Datasheet - Page 3

• Manufacturer Part Number: LM26001EVAL
• Description: BOARD EVALUATION LM26001
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM26001EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 1.5A
• Voltage - Input: 4.5 ~ 38V
• Regulator Topology: Buck
• Frequency - Switching: 305kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM26001
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -

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
guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at T
and are provided for reference purposes only.
Voltages from the indicated pins to GND:
VIN
SW
VDD
VBIAS
FB
BOOT
PGOOD
FREQ
SYNC
EN
FPWM
System
I
Iq
Iq
Iq
Iq
I
I
V
I
ΔV
ΔV
VDD
I
V
Switching
R
I
f
V
f
V
I
F
SD
BIAS_Sleep
BIAS_PWM
FB
SS_Source
sw_off
sw
SW
SYNC
FB
bias_th
FREQ
SYNC
SYNC_UP
DS(ON)
_Sleep_VB
_Sleep_VDD
_PWM_VB
_PWM_VDD
OUT
OUT
(Note
range
(Note
Symbol
/ΔV
/ΔI
OUT
6)
(Note
IN
7)
(Note
6)
6)
Shutdown Current
Quiescent Current
Quiescent Current
Quiescent Current
Quiescent Current
Bias Current
Bias Current
Feedback Voltage
FB Bias Current
Vout line regulation
Vout load regulation
VDD 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
-0.3V to 40V
-0.5V to 40V
-0.3V to 7V
-0.3V to 10V
-0.3V to 6V
SW-0.3V to SW+7V
-0.3V to 7V
-0.3V to 7V
-0.3V to 7V
-0.3V to 40V
-0.3V to 7V
J
) range of -40°C to +125°C. Unless otherwise stated, Vin=12V. Minimum and Maximum limits are
Parameter
Specifications in standard type are for T
(Note
(Note
5)
1)
EN = 0V
Sleep mode, VBIAS = 5V
Sleep mode, VBIAS = GND
PWM mode, VBIAS = 5V
PWM mode, VBIAS = GND
Sleep mode, VBIAS = 5V
PWM mode, VBIAS = 5V
5V < Vin < 38V
5V < Vin <38V
0.8V < V
7V < Vin < 35V, I
mA
Specified at I
value
Isw = 1A
Vin = 38V, VSW = 0V
RFREQ = 62k, 124k, 240k
SYNC rising
SYNC falling
As compared to nominal f
3
Operating Ratings
SS
Storage Temperature
Power Dissipation (Note 2)
Recommended Lead
Temperature
ESD Susceptibility (Note 3)
Operating Junction Temp.
Supply Voltage
COMP
Conditions
Vapor Phase (70s)
Infrared (15s)
Machine Model
Human Body Model
Charged Device Model
BIAS
< 1.15V
VDD
= 92.5% of full
= 0 mA to 5
J
(Note
= 25°C only, and limits in boldface type apply
SW
4)
1.2155
5.50
2.64
0.12
Min
150
1.5
0.8
-0.3V to 7V
-65°C to +150°C
2.6 W
215°C
220°C
200V
2KV
1kV
(Note
1.234
0.001
0.002
10.8
0.65
0.07
5.95
Typ
150
114
0.5
2.2
2.9
0.2
1.0
1.2
1.1
38
75
33
6
1)
−40°C to 125°C
1.2525
±200
Max
0.85
0.70
6.50
3.07
0.42
125
230
±10
500
+30
4.6
5.0
1.6
20
70
85
3.0V to 38V
www.national.com
J
= 25°C,
Unit
%/V
kHz
mA
mA
mV
µA
µA
µA
µA
µA
nA
µA
µA
nA
%
%
%
Ω
V
V
V
V
V