LM2587-5.0
Electrical Characteristics (Continued)
Symbol
Parameters
Conditions
Typical
5.0
Min
Max
Units
V
UNIQUE DEVICE PARAMETERS (Note 5)
VREF
∆VREF
GM
Output Reference
Voltage
Measured at Feedback Pin
4.913/4.900
5.088/5.100
=
VCOMP 1.0V
=
Reference Voltage
Line Regulation
Error Amp
VIN 4V to 40V
3.3
mV
=
ICOMP −30 µA to +30 µA
0.750
165
0.447
1.491
mmho
V/V
=
VCOMP 1.0V
Transconductance
Error Amp
=
AVOL
VCOMP 0.5V to 1.6V
99/49
=
RCOMP 1.0 MΩ (Note 6)
Voltage Gain
LM2587-12
Electrical Characteristics
=
Specifications with standard type face are for TJ 25˚C, and those in bold type face apply over full Operating Temperature
=
Range. Unless otherwise specified, VIN 5V.
Symbol
Parameters
Conditions
Typical
12.0
20
Min
Max
Units
V
SYSTEM PARAMETERS Test Circuit of Figure 3 (Note 4)
=
VOUT
Output Voltage
Line Regulation
Load Regulation
Efficiency
VIN 4V to 10V
11.52/11.40
12.48/12.60
100/200
=
ILOAD 300 mA to 1.2A
=
∆VOUT
/
/
VIN 4V to 10V
mV
mV
%
=
∆VIN
ILOAD 300 mA
=
∆VOUT
VIN 10V
20
100/200
=
ILOAD 300 mA to 1.2A
∆ILOAD
=
=
η
VIN 10V, ILOAD 1A
90
UNIQUE DEVICE PARAMETERS (Note 5)
VREF
∆VREF
GM
Output Reference
Voltage
Measured at Feedback Pin
12.0
7.8
11.79/11.76
12.21/12.24
V
=
VCOMP 1.0V
=
Reference Voltage
Line Regulation
Error Amp
VIN 4V to 40V
mV
mmho
V/V
=
ICOMP −30 µA to +30 µA
0.328
70
0.186
0.621
=
VCOMP 1.0V
Transconductance
Error Amp
=
AVOL
VCOMP 0.5V to 1.6V
41/21
=
RCOMP 1.0 MΩ (Note 6)
Voltage Gain
LM2587-ADJ
Electrical Characteristics
=
Specifications with standard type face are for TJ 25˚C, and those in bold type face apply over full Operating Temperature
=
Range. Unless otherwise specified, VIN 5V.
Symbol
Parameters
Conditions
Typical
12.0
20
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of Figure 3 (Note 4)
=
VOUT
Output Voltage
Line Regulation
Load Regulation
Efficiency
VIN 4V to 10V
11.52/11.40
12.48/12.60
100/200
V
=
ILOAD 300 mA to 1.2A
=
∆VOUT
/
/
VIN 4V to 10V
mV
=
∆VIN
ILOAD 300 mA
=
∆VOUT
VIN 10V
20
100/200
mV
%
=
ILOAD 300 mA to 1.2A
∆ILOAD
=
=
η
VIN 10V, ILOAD 1A
90
3
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