LM20333EVAL National Semiconductor, LM20333EVAL Datasheet - Page 3

• Manufacturer Part Number: LM20333EVAL
• Description: EVALUATION BOARD FOR THE LM20333
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM20333EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 3A
• Voltage - Input: 4.5 ~ 25V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: LM20333
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Frequency - Switching: -

Powergood
Oscillator
Error Amplifier
V
R
R
I
V
I
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
type are for T
and maximum limits are guaranteed through test, design, or statistical correlation. Typical values represent the most likely
parametric norm at T
V
I
VIN to GND
BOOT to GND
BOOT to SW
SW to GND
SW to GND (Transient)
FB, EN, SS/TRK, COMP,
SYNC, PGOOD to GND
PGOOD(SNK)
PGOOD(SRC)
I
FB(OVP-HYS)
COMP(SRC)
HSW-DS(ON)
V
COMP(SNK)
Symbol
LSW-DS(ON)
V
V
V
FB(PG-HYS)
V
UVLO(HYS)
T
V
V
F
F
IH_SYNC
IL_SYNC
TRKACC
I
FB(OVP)
I
V
PGOOD
F
F-BOOT
T
BOOT
FB(PG)
SYNC
V
OSCH
I
UVLO
I
OSCL
I
I
VCC
OSC
SD
SS
MIN
FB
Q
FB
J
Parameter
Feedback Pin Voltage
High-Side MOSFET On-Resistance
Low-Side MOSFET On-Resistance
Operating Quiescent Current
Shutdown Quiescent Current
VIN Under Voltage Lockout
VIN Under Voltage Lockout Hysteresis
VCC Voltage
Soft-Start Pin Source Current
Soft-Start/Track Pin Accuracy
BOOT Diode Leakage
BOOT Diode Forward Voltage
Over Voltage Protection Rising Threshold
Over Voltage Protection Hysteresis
PGOOD Threshold, V
PGOOD Hysteresis
PGOOD Delay
PGOOD Low Sink Current
PGOOD High Leakage Current
Oscillator Frequency
Maximum SYNC Frequency
Minimum SYNC Frequency
SYNC pin Logic High
SYNC pin Logic Low
SYNC pin input leakage
Minimum Off Time
Feedback Pin Bias Current
COMP Output Source Current
COMP Output Sink Current
= 25°C only, limits in bold face type apply over the junction temperature (T
J
= 25°C, and are provided for reference purposes only.
OUT
Rising
-1.5V (< 20 ns)
Unless otherwise stated, the following conditions apply: V
-0.3V to +38V
-0.3V to +43V
-0.5V to +38V
-0.3V to +7V
-0.3V to +6V
(Note 1)
3
Conditions
V
I
I
V
V
Rising V
I
V
V
V
I
V
Δ
V
ΔV
V
V
V
V
I
V
V
V
V
V
SW
SW
VCC
BOOT
LOAD
VIN
VIN
EN
SS
SS
BOOT
FB(OVP)
VFB(OVP)
FB(PG)
PGOOD
PGOOD
SYNC
SYNC
FB
FB
COMP
FB
COMP
VIN to GND
Junction Temperature
Operating Ratings
FB(PG)
VCC to GND
Storage Temperature
ESD Rating
Human Body Model (Note 2)
= 3A
= 3A
= 1V
= 0V
= 1.6V
= 0V
= 0V
= 0.4V
= -5 mA, V
= 4.5V to 36V
= 4.5V to 36V
= 3A
= -100 mA
= 4V
= 0V
= 5V
= 0V
= 1.6V
/ V
= 0.5V
= 5V
VIN
/ V
/ V
/ V
FB
FB
FB
FB
EN
= 5V
J
) range of -40°C to +125°C. Minimum
0.788
VIN
Min
107
160
200
200
-10
0.6
93
4
2
2
= 12V. Limits in standard
1500
4.25
Typ
130
110
150
350
110
200
250
170
400
350
0.8
2.3
5.5
4.5
0.9
10
95
20
10
50
−40°C to + 125°C
5
2
2
1
5
-65°C to 150°C
+4.5V to +36V
-0.3V to +8V
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0.812
Max
225
190
180
450
112
200
240
4.5
1.1
0.8
15
97
3
7
3
3
2kV
Units
kHz
kHz
kHz
mΩ
mΩ
mA
mV
mV
mA
µA
µA
nA
nA
nA
nA
µA
µA
µs
ns
%
%
%
%
V
V
V
V
V
V