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LM2596
SNVS124E –NOVEMBER 1999–REVISED FEBRUARY 2020
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(1) All room temperature limits are 100% production tested. All limits at temperature extremes are specified via correlation using standard
Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).
(2) Typical numbers are at 25°C and represent the most likely norm.
(3) External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM2596 is used as shown in Figure 35, system performance is shown in the test conditions column.
7.5 Electrical Characteristics – 3.3-V Version
Specifications are for TJ= 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT
SYSTEM PARAMETERS(3) (see Figure 35 for test circuit)
VOUT Output voltage 4.75 V ≤VIN ≤40 V,
0.2 A ≤ILOAD ≤3 A TJ= 25°C 3.168 3.3 3.432 V
–40°C ≤TJ≤125°C 3.135 3.465
ηEfficiency VIN = 12 V, ILOAD = 3 A 73%
(1) All room temperature limits are 100% production tested. All limits at temperature extremes are specified via correlation using standard
Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).
(2) Typical numbers are at 25°C and represent the most likely norm.
(3) External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM2596 is used as shown in Figure 35, system performance is shown in the test conditions column.
7.6 Electrical Characteristics – 5-V Version
Specifications are for TJ= 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT
SYSTEM PARAMETERS(3) (see Figure 35 for test circuit)
VOUT Output voltage 7 V ≤VIN ≤40 V,
0.2 A ≤ILOAD ≤3 A TJ= 25°C 4.8 5 5.2 V
–40°C ≤TJ≤125°C 4.75 5.25
ηEfficiency VIN = 12 V, ILOAD = 3 A 80%
(1) All room temperature limits are 100% production tested. All limits at temperature extremes are specified via correlation using standard
Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).
(2) Typical numbers are at 25°C and represent the most likely norm.
(3) External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM2596 is used as shown in Figure 35, system performance is shown in the test conditions column.
7.7 Electrical Characteristics – 12-V Version
Specifications are for TJ= 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT
SYSTEM PARAMETERS(3) (see Figure 35 for test circuit)
VOUT Output voltage 15 V ≤VIN ≤40 V,
0.2 A ≤ILOAD ≤3 A TJ= 25°C 11.52 12 12.48 V
–40°C ≤TJ≤125°C 11.4 12.6
ηEfficiency VIN = 25 V, ILOAD = 3 A 90%
(1) All room temperature limits are 100% production tested. All limits at temperature extremes are specified via correlation using standard
Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).
(2) Typical numbers are at 25°C and represent the most likely norm.
(3) External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM2596 is used as shown in Figure 35, system performance is shown in the test conditions column.
7.8 Electrical Characteristics – Adjustable Voltage Version
Specifications are for TJ= 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT
SYSTEM PARAMETERS(3) (see Figure 35 for test circuit)
VFB Feedback voltage
4.5 V ≤VIN ≤40 V, 0.2 A ≤ILOAD ≤3 A 1.23
V
VOUT programmed for 3 V
(see Figure 35 for test circuit) TJ= 25°C 1.193 1.267
–40°C ≤TJ≤125°C 1.18 1.28
ηEfficiency VIN = 12 V, VOUT = 3 V, ILOAD = 3 A 73%