Datasheet

LT1970
7
1970fe
For more information www.linear.com/LT1970
Typical perForMance characTerisTics
Safe Operating Area
Output Stage Quiescent Current
vs Supply Voltage
Control Stage Quiescent Current
vs Supply Voltage
Supply Current vs Supply Voltage
in Shutdown
Low Level Current Sense
Transfer Curve
Logic Output Level
vs Sink Current (Output Low)
Maximum Output Current
vs Temperature
V
CSNK
= V
CSRC
(mV)
0
V
SENSE
(mV)
5
15
25
200
1970 G22
–5
–15
0
10
20
–10
–20
–25
5025
10075
150 175 225
125
250
SOURCING
CURRENT
SINKING
CURRENT
SINK CURRENT (mA)
0.001
0.4
LOGIC OUTPUT VOLTAGE (V)
0.5
0.6
0.7
0.8
0.01 0.1 1 10 100
1970 G23
0.3
0.2
0.1
0
0.9
1.0
V
+
= 15V
V
–
= –15V
125°C
25°C
–55°C
TEMPERATURE (°C)
–75
OUTPUT CURRENT (mA)
800
1200
125
1970 G24
400
0
–25
25
75
–50
0
50
100
1600
600
1000
200
1400
V
+
= 15V
V
–
= –15V
SOURCE
SINK
SUPPLY VOLTAGE (V)
0
0
I
OUT
PEAK (mA)
200
400
600
800
10 20
30
40
1970 G25
1000
1200
5 15
25
35
I
OUT
AT 10% DUTY CYCLE
SUPPLY VOLTAGE (±V)
0
OUTPUT STAGE CURRENT (mA)
–10
–6
–2
6
4
8
10 18
1970 G26
10
2
–8
–4
4
8
0
2 6
12
14
16
I
V
+
I
V
–
25°C
25°C
–55°C
–55°C
125°C
125°C
SUPPLY VOLTAGE (±V)
0
SUPPLY CURRENT (mA)
–5
–3
–1
3
4
8
10 18
1970 G27
5
1
–4
–2
2
4
0
2 6
12
14
16
I
CC
I
EE
25°C
25°C
–55°C
–55°C
125°C
125°C
SUPPLY VOLTAGE (V)
0
TOTAL SUPPLY CURRENT, I
CC
+ I
V
+ (µA)
400
500
600
16
1970 G28
300
200
0
4
8
12
2 18
6
10
14
100
800
700
85°C
25°C
–55°C
V
ENABLE
= 0V
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