LT1573CS8-2.5 Linear Technology, LT1573CS8-2.5 Datasheet - Page 13

• Manufacturer Part Number: LT1573CS8-2.5
• Description: IC LDO REGULATOR DVR 2.5V 8-SOIC
• Manufacturer: Linear Technology
• Type: Positive Fixedr

Specifications of LT1573CS8-2.5

• Number Of Outputs: 1
• Voltage - Output: 2.5V
• Current - Supply: 1.7mA
• Voltage - Input: 2.8 ~ 10 V
• Operating Temperature: 0°C ~ 125°C
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPLICATIO S I FOR ATIO
equals the resistance of R
and the resistance R
and R
Voltage Feedback Resistor Divider Table
Voltage feedback resistor divider is provided for conve-
nience for the most possibly used output voltages in
Table 4.
TYPICAL APPLICATIO S
Dn
in parallel.
U
D
C
0.5µF
equals the resistance of R
TIME
V
5V
IN
+
U
B1
C
(FOR T < 45°C, C
FOR T > 45°C, C
PLACE C
C
C
SHDN (ACTIVE HIGH) PIN SHOULD BE TIED TO GROUND IF IT IS NOT USED
OUT1
IN
TIME
, R
, C
OUT2
B2
= 0.5µF FOR 100ms TIME OUT AT ROOM TEMPERATURE
= 24 × 1µF SURFACE MOUNT CERAMIC CAPACITOR
OUT1
, ..., and R
U
FB
LATCH
SHDN
GND
= 220µF SURFACE MOUNT TANTALUM CAPACITOR
W
IN THE MICROPROCESSOR SOCKET CAVITY
OUT1
OUT1
LT1573
= 24 × 1µF X7R CERAMIC SURFACE MOUNT CAPACITORS)
= 24 × 1µF Y5V CERAMIC SURFACE MOUNT CAPACITORS,
DRIVE
COMP
V
OUT
Bn
V
C
IN
5V
3.3V/5A Microprocessor Supply
IN
D1
in parallel,
U
+
, R
1/2W
24Ω
R
D2
D
100pF
, ...,
C
+
C
R
50Ω
1/8W
B
C
OUT1
Table 4. LT1573 Output Feedback Divider Resistance
1/8W
+
R
1k
C
VOLTAGE (V)
Q
MOTOROLA
D45H11
OUT
C
OUTPUT
OUT2
1.5
1.8
2.0
2.2
2.5
2.8
3.0
3.3
3.5
3.8
4.0
4.5
5.0
R2
1k
1/8W
R1
1.6k
1/8W
R2 (
LOAD
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
Ω
)
1573 TA01
V
3.3V
GND
OUT
(NEAREST 1%)
R1 (
1210
1370
1620
1780
2000
2150
2550
2940
187
422
576
732
976
Ω
LT1573
)
sn1573 1573fas
13