LTC1325CN View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1325CN' PDF : 24 Pages View PDF
TYPICAL PERFORMANCE CHARACTERISTICS
PGATE Rise Time vs
Load Capacitance
1200
1000
800
600
TA = 27°C
TA = 70°C
400
TA = 0°C
200
0
0 2 4 6 8 10 12 14 16 18 20
LOAD CAPACITANCE (nF)
1325 G10
Discharge Rise and Fall Time
vs Load Capacitance
14
TA = 70°C
12
TA = 27°C
TA = 0°C
10
RISE TIME
8
6
FALL TIME
4
2
0
0 2 4 6 8 10 12 14 16 18 20
LOAD CAPACITANCE (nF)
1325 G13
Oscillator Frequency vs
Temperature
118
117
116
115
114
113
112
111
110
109
108
–40 –20
0 20 40 60
TEMPERATURE (°C)
80 100
1325 G16
PGATE Fall Time vs
Load Capacitance
1000
900
800
TA = 27°C
700
600
TA = 70°C
500
400
TA = 0°C
300
200
100
0
0 2 4 6 8 10 12 14 16 18 20
LOAD CAPACITANCE (nF)
LTC1325 G11
Minimum Charging Supply vs
Number of Cells
16
RSENSE = 0.15, VR1 = 1,VR0 = 1
14
L = 10µH TO 100µH
IRF9Z30PFET, 1N5819 DIODE
12
10
8
6
RSENSE = 1, VR1 = 1, VR0 = 1
L = 25µH TO 100µH
4
IRF9Z30PFET, 1N5819 DIODE
2 TA = 27°C, NiCd BATTERIES
VCELL = 1.4V NOMINAL
0
12 3 456
NUMBER OF CELLS
78
1325 G14
CLK to DOUT Enable Delay Time
vs Temperature
500
450
400
350
300
250
200
150
100
50
0
0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
1325 G17
LTC1325
Differential Nonlinearity
1.0
VDD = 12V
fCLK = 500kHz
0.5
0
–0.5
–1.0
0
128 256 384 512 640 768 896 1024
CODE
1325 G12
Integral Nonlinearity
1.0
VDD = 12V
fCLK = 500kHz
0.5
0
–0.5
–1.0
0
128 256 384 512 640 768 896 1024
CODE
1325 G15
CLK to DOUT Valid Delay Time
vs Temperature
700
600
DOUT GOING HIGH
500
DOUT GOING LOW
400
300
200
100
0
0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
1325 G18
5
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