lm2575hvs-adjep National Semiconductor Corporation, lm2575hvs-adjep Datasheet - Page 7

• Manufacturer Part Number: lm2575hvs-adjep
• Description: Simple Switcher 1a Step-down Voltage Regulator
• Manufacturer: National Semiconductor Corporation

DEVICE PARAMETERS
I
f
V
DC
I
I
I
I
SYSTEM PARAMETERS (Note 6) Test Circuit Figure 2
V
V
V
η
b
O
CL
L
Q
STBY
LM2575-ADJEP, LM2575HV-ADJEP
Electrical Characteristics
All Output Voltage Versions
Electrical Characteristics
Symbol
Symbol
Specifications with standard type face are for T
ture Range. Unless otherwise specified, V
and V
Specifications with standard type face are for T
Range.
SAT
OUT
OUT
OUT
IN
= 30V for the 15V version. I
Feedback Bias Current
Oscillator Frequency
Saturation Voltage
Max Duty Cycle (ON)
Current Limit
Output Leakage
Current
Quiescent Current
Standby Quiescent
Current
Feedback Voltage
Feedback Voltage
LM2575EP
Feedback Voltage
LM2575HVEP
Efficiency
Parameter
Parameter
LOAD
V
(Note 15)
I
(Note 8)
Peak Current (Notes 7, 15)
(Notes 9, 10)
(Note 9)
ON /OFF Pin = 5V (OFF)
OUT
V
V
Circuit of Figure 2
0.2A ≤ I
8V ≤ V
V
0.2A ≤ I
8V ≤ V
V
V
= 200 mA.
OUT
(Note 16)
(Note 16)
IN
OUT
OUT
OUT
IN
IN
= 12V, I
= 12V, I
= 12V for the 3.3V, 5V, and Adjustable version, V
= 1A (Note 7)
= 5V (Adjustable Version Only)
= 5V
= 5V, Circuit of Figure 2
= 5V, Circuit of Figure 2
J
J
IN
IN
= 25˚C, and those with boldface type apply over full Operating Temperature
= 25˚C, and those with boldface type apply over full Operating Tempera-
LOAD
LOAD
≤ 40V
≤ 60V
LOAD
LOAD
Conditions
≤ 1A,
≤ 1A,
Conditions
= 0.2A
= 1A, V
Output = −1V
Output = −1V
Output = 0V
7
OUT
= 5V
1.230
1.230
1.230
Typ
77
Typ
0.9
2.2
7.5
50
52
98
50
5
LM2575HV-ADJEP
IN
LM2575HV-XXEP
LM2575-ADJEP
= 25V for the 12V version,
LM2575-XXEP
1.193/1.180
1.267/1.280
1.193/1.180
1.273/1.286
(Note 5)
(Note 5)
100/500
1.217
1.243
Limit
1.2/1.4
1.7/1.3
3.0/3.2
47/42
58/63
Limit
200
93
30
10
2
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kHz(Max)
mA(Max)
mA(Max)
mA(Max)
kHz(Min)
µA(Max)
(Limits)
(Limits)
V(Max)
V(Max)
V(Max)
V(Max)
A(Max)
%(Min)
V(Min)
V(Min)
V(Min)
A(Min)
Units
Units
kHz
mA
mA
nA
µA
%
%
V
V
V
V
A