LT1777CS#PBF Linear Technology, LT1777CS#PBF Datasheet - Page 5
LT1777CS#PBF
Manufacturer Part Number
LT1777CS#PBF
Description
IC SWREG STP-DWN LOWNOISE 16SOIC
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LT1777CSPBF.pdf
(24 pages)
Specifications of LT1777CS#PBF
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.24 ~ 30 V
Current - Output
700mA
Frequency - Switching
100kHz
Voltage - Input
12 ~ 48 V
Operating Temperature
0°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Primary Input Voltage
48V
No. Of Outputs
1
Output Voltage
40.8V
Output Current
1A
No. Of Pins
16
Operating Temperature Range
0°C To +125°C
Msl
MSL 1 - Unlimited
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFOR A CE CHARACTERISTICS
–100
–150
106
104
102
100
–50
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
100
98
96
94
50
–50
0
–50
1.0
Switching Frequency
vs Temperature
Output dI/dt Sense Voltage
vs Temperature
Feedback Amplifier Output
Current vs FB Pin Voltage
–25
–25
1.1
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
FB PIN VOLTAGE (V)
1.2
25
25
W
50
50
1.3
U
75
75
1.4
100
100
25 C
125 C
–55 C
1777 G09
1777 G07
1777 G11
125
125
1.5
2.25
2.00
1.75
1.50
1.25
1.00
0.75
750
700
650
600
550
500
450
400
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
–50
–50
–50
Minimum Synchronization
Voltage vs Temperature
V
Clamp Voltage vs Temperature
Error Amplifier Transconductance
vs Temperature
C
–25
–25
–25
Pin Switching Threshold,
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
25
25
25
50
50
50
THRESHOLD
SWITCHING
VOLTAGE
CLAMP
75
75
75
100
100
100
1777 G12
1777 G08
1777 G10
125
125
125
LT1777
5