LT1576IS8-SYNC Linear Technology, LT1576IS8-SYNC Datasheet - Page 4
![IC SW REG STEP-DOWN 200KHZ 8SOIC](/photos/7/63/76305/lt1576is8-sync_sml.jpg)
LT1576IS8-SYNC
Manufacturer Part Number
LT1576IS8-SYNC
Description
IC SW REG STEP-DOWN 200KHZ 8SOIC
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LT1576CS8PBF.pdf
(28 pages)
Specifications of LT1576IS8-SYNC
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
Adj to 1.2V
Current - Output
1.5A
Frequency - Switching
200kHz
Voltage - Input
5 ~ 25 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LT1576IS8-SYNC
Manufacturer:
LT
Quantity:
10 000
LT1576/LT1576-5
TYPICAL PERFORMANCE CHARACTERISTICS
4
2.46
2.45
2.44
2.43
2.42
2.41
2.40
0.5
0.4
0.3
0.2
0.1
0
4
3
2
1
0
–50
–50
Switch Drop
0
Shutdown Pin Bias Current
Standby Thresholds
AT 2.44V STANDBY THRESHOLD
(CURRENT FLOWS OUT OF PIN)
–25
–25
0.25
JUNCTION TEMPERATURE ( C)
JUNCTION TEMPERATURE ( C)
SWITCH CURRENT (A)
0
0
0.50
STANDBY
25
25
0.75
ON
25 C
50
50
1.00
–20 C
75
75
125 C
W
1.25
100
100
1576 G01
1576 G04
1576 G07
U
1.50
125
125
25
20
15
10
180
160
140
120
100
5
0
2.5
2.0
1.5
1.0
0.5
80
60
40
20
0
0
0
Shutdown Supply Current
–50
Switch Peak Current Limit
0
Shutdown Pin Bias Current
V
SHDN
CURRENT REQUIRED TO FORCE
SHUTDOWN (FLOWS OUT OF PIN).
AFTER SHUTDOWN, CURRENT
DROPS TO A FEW A
–25
5
= 0V
JUNCTION TEMPERATURE ( C)
20
INPUT VOLTAGE (V)
0
DUTY CYCLE (%)
MINIMUM
10
TYPICAL
40
25
15
50
60
75
20
80
100
1576 G08
1576 G05
1576 G02
25
125
100
–500
2000
1500
1000
500
0
10
Error Amplifier Transconductance
1.23
1.22
1.21
1.20
1.19
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
ERROR AMPLIFIER EQUIVALENT CIRCUIT
V
R
0
FB 1 10
–50
LOAD
–50
Shutdown Thresholds
Feedback Pin Voltage
100
= 50
–25
–25
–3
GAIN
JUNCTION TEMPERATURE ( C)
JUNCTION TEMPERATURE ( C)
FREQUENCY (Hz)
SHUTDOWN
PHASE
1k
0
0
25
R
570k
25
OUT
10k
50
50
START-UP
100k
C
2.4pF
75
75
OUT
V
1576 G09
C
100
100
1M
1576 G06
1576 G03
200
150
100
50
0
–50
125
125