lt1765es8-trpbf Linear Technology Corporation, lt1765es8-trpbf Datasheet - Page 4

• Manufacturer Part Number: lt1765es8-trpbf
• Description: Monolithic 3a, 1.25mhz Step-down Switching Regulators
• Manufacturer: Linear Technology Corporation

LT1765/LT1765-1.8/LT1765-2.5/
LT1765-3.3/LT1765-5
4
TYPICAL PERFOR A CE CHARACTERISTICS
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
–50
FB vs Temperature (Adj)
–25
1.40
1.38
1.36
1.34
1.32
1.30
0
–50
TEMPERATURE (°C)
SHDN Threshold vs Temperature
25
–25
50
0
TEMPERATURE (°C)
75
W
25
100
50
1765 G01
U
125
75
–12
–10
100
–8
–6
–4
–2
0
1765 G04
–50
350
300
250
200
150
100
50
SHDN I
0
125
0
Switch On Voltage Drop
–25
P
Current vs Temperature
0
TEMPERATURE (°C)
SHUTTING DOWN
SWITCH CURRENT (A)
STARTING UP
1
25
50
T
A
= 25°C
75
T
2
A
= 125°C
T
100
A
= –40°C
1765 G06
1765 G02
125
7
6
5
4
3
2
1
0
3
0
SHDN Supply Current vs V
SHDN = 0V
5
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
–50
Oscillator Frequency
10
–25
V
IN
15
(V)
0
TEMPERATURE (°C)
20
25
IN
25
50
1765 G05
30
75
100
1765 G03
1765fb
125