LTC2978 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2978' PDF : 80 Pages View PDF
Typical Performance Characteristics
LTC2978
Supply Current vs Supply Voltage
10.5
VPWR = VDD33
10.4
10.3
10.2
10.1
10.0
9.9
9.8
3
3.1 3.2 3.3 3.4 3.5 3.6
VDD33 (V)
2978 G28
DAC Output Impedance vs
Frequency
1000
100
10
1
0.1
0.01
0.01
0.1
1
10 100
FREQUENCY (kHz)
1000
2978 G31
Supply Current vs Temperature
10.16
VPWR = 12V
10.14
10.12
10.10
10.08
10.06
10.04
10.02
–50 –35 –20 –5 10 25 40 55 70 85 100
TEMPERATURE (°C)
2978 G29
VOUT_EN[3:0] and VIN_EN VOL
vs Current
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
02
85°C
25°C
–40°C
4
6
8
ISINK (mA)
10 12
2978 G32
VOUT_EN[3:0] and VIN_EN Output
High Voltage vs Load Current
14.0
13.5
85°C
13.0
25°C
12.5
–40°C
12.0
11.5
11.0
10.5
10.0
9.5
0
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CURRENT SOURCING (µA)
2978 G30
VOUT_EN[7:4] VOL vs Current
0.6
0.5
0.4
85°C
0.3
25°C
0.2
–40°C
0.1
0
0
4
8
12 16 20 24
ISINK (mA)
2978 G33
PWRGD and FAULTBzn VOL
vs Current
1.2
1.0
0.8
0.6
0.4
0.2
85°C
25°C
–40°C
0
02
4
6
8
10 12
ISINK (mA)
2978 G34
ALERTB VOL vs Current
1.4
1.2
1.0
0.8
85°C
25°C
0.6
–40°C
0.4
0.2
0
02
4
6
8
ISINK (mA)
10 12
2978 G35
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2978fd
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