Datasheet

LTC4267
6
4267fc
Reference Voltage vs
Temperature
Reference Voltage vs
Supply Voltage
Oscillator Frequency vs
Temperature
Oscillator Frequency vs
Supply Voltage
P
VCC
Undervoltage Lockout
Thresholds vs Temperature
P
VCC
Shunt Regulator Voltage vs
Temperature
I
PVCC
Supply Current vs
Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
UW
P
VCC
SUPPLY VOLTAGE (V)
6
799.0
V
FB
VOLTAGE (mV)
799.2
799.6
799.8
800.0
801.0
800.4
7
8
8.5
4267 G11
799.4
800.6
800.8
800.2
6.5
7.5
9
9.5
T
A
= 25°C
P
VCC
≤ V
CLAMP1mA
TEMPERATURE (°C)
–50
OSCILLATOR FREQUENCY (kHz)
–10 30
70
110
4267 G13
–30 10
50
90
P
VCC
= 8V
(WITH RESPECT TO PGND)
240
230
220
210
200
190
180
P
VCC
SUPPLY VOLTAGE (V)
6
190
OSCILLATOR FREQUENCY (kHz)
194
198
202
6.5
7
7.5 8
4267 G14
8.5
206
210
192
196
200
204
208
9
T
A
= 25°C
TEMPERATURE (°C)
–50
5.0
P
VCC
UNDERVOLTAGE LOCKOUT (V)
5.5
6.5
7.0
7.5
10.0
8.5
–10
30
50
4267 G16
6.0
9.0
9.5
8.0
–30 10
80
90
110
V
TURNON
V
TURNOFF
TEMPERATURE (°C)
–50
9.0
P
VCC
(V)
9.1
9.3
9.4
9.5
10.0
9.7
–10
30
50
4267 G17
9.2
9.8
9.9
9.6
–30 10
70
90
110
I
PVCC
= 1mA
TEMPERATURE (°C)
–50
215
SUPPLY CURRENT (µA)
220
230
235
240
265
250
–10
30
50
4267 G18
225
255
260
245
–30 10
70
90
110
P
VCC
= 8V
V
ITH/RUN
= 1.3V
TEMPERATURE (°C)
–50
V
FB
VOLTAGE (mV)
70 90
4267 G10
–10 10–30 30 50 110
812
808
804
800
796
792
788
P
VCC
= 8V