Datasheet

LTC3766
6
3766fa
For more information www.linear.com/LTC3766
Typical perForMance characTerisTics
Overcurrent Shutdown Threshold
vs Temperature
V
AUX
Drop-Out Resistance
vs Temperature
Average Current Sense Threshold
vs Temperature
RUN Threshold vs Temperature
RUN Hysteresis Current
vs Temperature Oscillator Frequency vs R
FS
V
CC
Supply Current
vs V
CC
Voltage
V
CC
Regulator Output Voltage
vs Temperature
Error Amplifier Transconductance
vs Temperature
V
CC
INPUT VOLTAGE (V)
5
11
12
14
8 10
3766 G01
10
9
6 7
9 11 12
8
7
13
V
CC
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
–55
V
CC
VOLTAGE (V)
8.0
8.5
9.0
35 95
3766 G02
7.5
7.0
–25 5
65 125
155
6.5
6.0
V
IN
REGULATOR USING 2N3904
HV MODE
LV MODE
TEMPERATURE (°C)
–55
2.70
TRANSCONDUCTANCE (mS)
2.75
2.80
2.85
2.90
–25 5 35 65
3766 G03
95 125
155
TEMPERATURE (°C)
–55
CT MODE THRESHOLD (V)
RS MODE THRESHOLD (mV)
1.330
1.335
1.340
35 95
3766 G04
1.325
1.320
–25 5
65 125 155
1.315
1.310
101
102
103
100
99
98
97
CT MODE
RS MODE
TEMPERATURE (°C)
–55
RESISTANCE (Ω)
2.0
2.5
3.0
35 95
3766 G05
1.5
1.0
–25 5
65 125
155
0.5
0
TEMPERATURE (°C)
–55
CT MODE THRESHOLD (V)
RS MODE THRESHOLD (mV)
0.740
0.745
0.750
35 95
3766 G04
0.735
0.730
–25 5
65 125 155
0.725
0.720
55.0
55.5
56.0
54.5
54.0
53.5
53.0
RS MODE
CT MODE
TEMPERATURE (°C)
–55
RUN VOLTAGE (V)
1.220
1.222
1.224
35 95
3766 G07
1.218
1.216
–25 5
65 125
155
1.214
1.212
RUN VOLTAGE RISING
TEMPERATURE (°C)
–55
RUN CURRENT (µA)
3.00
3.05
3.10
35 95
3766 G08
2.95
2.90
–25 5
65 125
155
2.85
2.80
V
RUN
= 0.5V
R
FS
(kΩ)
0
FREQUENCY (kHz)
400
500
600
75 125
3766 G09
300
200
25 50
100
150
0
100