LTC1504A
W W
U W
W
U
ABSOLUTE MAXIMUM RATINGS
/O
PACKAGE RDER I FOR ATIO
(Note 1)
ORDER PART
NUMBER
TOP VIEW
Supply Voltage (V to GND)................................... 10V
Peak Output Current (SW) .......................................±1A
CC
I
1
2
3
4
8
7
6
5
COMP
SS
MAX
V
CC
LTC1504ACS8
LTC1504ACS8-3.3
LTC1504AIS8
Input Voltage (All Other Pins) ...... –0.3V to (V + 0.3V)
CC
SW
SHDN
FB/SENSE*
Operating Temperature Range
GND
LTC1504AC ............................................. 0°C to 70°C
LTC1504AI ......................................... –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
LTC1504AIS8-3.3
S8 PACKAGE
8-LEAD PLASTIC SO
S8 PART MARKING
1504A 1504AI
1504A33 04AI33
*FB FOR LTC1504A, SENSE FOR LTC1504A-3.3
JMAX = 125°C, θJA = 90°C/W
T
Consult factory for Military grade parts.
VCC = 5V, TA = 25°C unless otherwise specified. (Note 2)
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
Minimum Supply Voltage
Feedback Voltage
(Note 7)
●
4
V
CC
V
FB
LTC1504ACS8
LTC1504AIS8
●
●
1.25
1.23
1.265
1.265
1.28
1.29
V
V
∆V
Feedback Voltage PSRR
Figure 1, 4V ≤ V ≤ 10V, LTC1504ACS8
●
●
1.1
1.1
1.6
1.8
%
%
FB
CC
Figure 1, 4V ≤ V ≤ 10V, LTC1504AIS8
CC
V
SENSE
Sense Pin Voltage
LTC1504ACS8-3.3
●
3.20
3.30
3.40
V
∆V
Sense Voltage PSRR
Figure 1, 4V ≤ V ≤ 10V, LTC1504ACS8-3.3
●
●
1.2
1.2
1.8
2.0
%
%
SENSE
CC
Figure 1, 4V ≤ V ≤ 10V, LTC1504AIS8-3.3
CC
I
CC
Supply Current
Figure 1, V
= V , I = 0 (Note 4)
CC OUT
3
0.3
1.0
mA
mA
µA
SHDN
Figure 1, V
= V , I
= 0, V /V
= V (Note 4)
●
●
0.6
20
SHDN
CC OUT
FB SENSE
CC
V
SHDN
= 0V
f
Internal Oscillator Frequency
Internal Switch Resistance
Commercial
Industrial
●
●
150
130
200
200
250
300
kHz
kHz
OSC
R
Commercial
Industrial
●
●
1.3
1.3
2.0
2.2
Ω
Ω
SW
V
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
●
●
●
●
●
●
2.4
V
V
IH
V
IL
0.8
I
IN
±0.1
4.95
0.05
±1
µA
V
V
OH
Error Amplifier Positive Swing
Error Amplifier Negative Swing
Error Amplifier Output Current
Figure 2
Figure 2
Figure 2
4.5
V
OL
0.5
V
I
, I
±50
±100 ±200
µA
OH OL
g
Error Amplifier Transconductance Commercial (Note 5)
Industrial (Note 5)
●
●
350
300
600
600
1100
1200
µmho
µmho
mV
A
Error Amplifier DC Gain
Amplifier Transconductance
(Note 5)
(Note 6)
●
40
48
dB
V
g
I
2000
µmho
mI
LIM
I
I
Sink Current
V
V
IMAX
= V , Commercial
= V , Industrial
CC
●
●
8
8
12
12
16
17
µA
µA
MAX
MAX
IMAX
CC
2
Linear [ Linear ]
