LT1725IGN#PBF Linear Technology, LT1725IGN#PBF Datasheet - Page 8

• Manufacturer Part Number: LT1725IGN#PBF
• Description: IC CNTRLR ISOLATD FLYBACK 16SSOP
• Manufacturer: Linear Technology
• Type: Flybackr

Specifications of LT1725IGN#PBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Frequency - Switching: 50kHz ~ 250kHz
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Topology: Flyback
• Switching Freq: 90 TO 115kHz
• Duty Cycle: 90%
• Operating Supply Voltage (max): 22V
• Synchronous Pin: No
• Rise Time: 30ns
• Fall Time: 30ns
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: SSOP N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Voltage - Input: -
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

FLYBACK ERROR A PLIFIER
LT1725
TI I G DIAGRA
8
W
U
VOLTAGE
SWITCH
STATE
GND
MINIMUM t
V
V
SW
IN
OFF
ON
FLYBACK AMP
R1
R2
W
STATE
W
FB
ON
Q1 Q2
ENABLE DELAY
V
I
IN
M1
DISABLED
V
MINIMUM ENABLE TIME
•
•
BG
T1
I
M
•
I
M
D1
+
I
FXD
C1
V
C
OFF
C2
V
FLBK
ENABLED
ISOLATED
V
OUT
+
–
1725 EA
V
0.80×
FLBK
ENAB
ON
DISABLED
1725 TD
COLLAPSE
DETECT
1725fa