LT1576IS8-5#TRPBF Linear Technology, LT1576IS8-5#TRPBF Datasheet - Page 4

• Manufacturer Part Number: LT1576IS8-5#TRPBF
• Description: IC REG SW 5V 1.5A STEPDOWN 8SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT1576IS8-5#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• 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: Lead free / RoHS Compliant
• Power - Output: -

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