Datasheet

LT1074/LT1076
6
sn1074 1074fds
Supply Current
Shutdown Pin Characteristics
V
C
Pin Characteristics V
C
Pin Characteristics Feedback Pin Characteristics
Shutdown Pin Characteristics I
LIM
Pin Characteristics
TYPICAL PERFOR A CE CHARACTERISTICS
UW
0
–150
CURRENT (mA)
0
50
100
150
200
1234
LT1074•TPC01
–200
–100
5
6
789
VOLTAGE (V)
–50
V ≤ 2V
FB
SLOPE ≈ 400kΩ
V ADJUSTED FOR
I = 0 AT V = 2V
FB
CC
0
–1.5
CURRENT (mA)
–0.5
0
0.5
1.0
1.5
2.0
1234
LT1074•TPC02
–2.0
–1.0
5
6
789
V ≥ 2.5V
FB
VOLTAGE (V)
0
–400
CURRENT (µA)
–200
0
1
234
LT1074•TPC03
–500
–300
5
6
78 109
–100
100
200
300
400
500
VOLTAGE (V)
START OF
FREQUENCY SHIFTING
VOLTAGE (V)
10
–40
CURRENT (µA)
20 40
LT1074•TPC04
30
50 60 70 80
–30
–20
–10
0
10
20
30
40
V
IN
= 50V
THIS POINT MOVES
IN
WITH V
DETAILS OF THIS
AREA SHOWN IN
OTHER GRAPH
0
VOLTAGE (V)
0
–40
CURRENT (µA)
1.0 2.0
LT1074•PC05
1.5
2.5 3.0 3.5 4.0
–35
–30
–25
–20
–15
–10
–5
0
SHUTDOWN
THRESHOLD
CURRENT FLOWS OUT
OF SHUTDOWN PIN
= 25°CT
j
0.5
–2
–350
CURRENT (µA)
–250
–150
0
12
LT1074•TPC06
–400
–300
3
4
5
–200
–100
–50
0
50
100
VOLTAGE (V)
–1
6
7
8
T = 25°C
j
INPUT VOLTAGE (V)
0
0
INPUT CURRENT (mA)
4
6
10
20 30 60
LT1074•TPC11
10 40 50
2
8
12
14
16
18
20
V
C
= 1V
DEVICE NOT SWITCHING