71M6403
Electronic Trip Unit
SEPTEMBER 2006
LCD BOOST
PARAMETER
VDRV Frequency
CONDITION
Vol=1.5V
MIN
TYP
CK / 1200
MAX
UNIT
Hz
VDRV Sink Current
1.6
1.2
4.5
3.0
2.6
5.7
mA
mA
V
VDRV Source Current
VLCD Target Voltage
Voh=1.5V
VLCD=5.0V, LCD_FS=1F,
LCD_MODE=0,1,2,3
LCD_BSTEN=1
VLCD Input Current
450
µA
LCD DRIVERS
Applies to all COM and SEG pins. Unless otherwise stated, VLCD=5.0V, LCD_FS=1F
CONDITION
PARAMETER
MIN
TYP
MAX
UNIT
VLC0 Max Voltage (LCD_FS =1F)
With respect to VLCD
-0.2
0
V
VLC0 Min Voltage (LCD_FS =00)
With respect to VLCD*0.7
-0.2
0.2
V
VLC1 Voltage,
1/3 bias
With respect to 2*VLCD/3
With respect to VLCD/2
-10
-10
+10
+10
%
%
½ bias
VLC0 Voltage,
1/3 bias
With respect to VLCD/3
With respect to VLCD/2
-15
-10
+15
+10
%
%
½ bias
Output Impedance
30
kΩ
∆ILOAD=10µA
RESETZ
PARAMETER
Reset pulse width
Reset pulse fall time
CONDITION
MIN
5
TYP
TYP
MAX
UNIT
µs
µs
1
COMPARATORS
PARAMETER
Offset Voltage
V2-VBIAS
CONDITION
MIN
MAX
UNIT
-20
-20
15
15
mV
mV
INEUTRAL-VBIAS
Hysteresis Current
V2
Vin = VBIAS - 100mV
+100mV overdrive
0.8
0.8
1.2
1.2
µA
µA
INEUTRAL
Response Time
V2
0.5
0.5
50
50
µs
µs
INEUTRAL
Page: 69 of 75
© 2006 TERIDIAN Semiconductor Corporation
REV 1.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
