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TEA1104T View Datasheet(PDF) - Philips Electronics

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Description
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TEA1104T Datasheet PDF : 16 Pages
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Philips Semiconductors
Cost effective battery monitor and fast
charge IC for NiCd and NiMH chargers
Objective specification
TEA1104; TEA1104T
CHARACTERISTICS
VP = 10 V; Tamb = 25 °C; Rref = 33 k; COSC = 1 nF; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
Supply
VP
VP/t
Vclamp
Vstart
Vpd
IP
Istart
VS
VRref
TCVref
IRref
supply voltage
supply voltage start rate
clamping voltage
start-up voltage
power-down voltage level
supply current
start-up current
stabilized voltage
voltage range at reference resistor
temperature coefficient of the
reference voltage
current range of the reference
resistor
Iclamp = 25 mA
outputs off
VP = 4 V
IS = 1 mA
IRref = 20 µA
Tamb = 0 to 45 °C
5.45
11.5
6.1
4.65
4.03
1.18
10
Temperature related input; NTC
Vi(co)
input voltage level for detecting
temperature cut-off
Vi(co; max)
maximum input voltage level for
detecting temperature cut-off
Vi(co; min)
minimum input voltage level for
detecting temperature cut-off
INTC
input current
VNTC = 1.5 V
Output drivers
δLED
VLED(sat)
ILI(LED)
LED pulse duty factor
LED saturation voltage
LED input leakage current
ILED(sat) = 15 mA
VLED = 15 V
Battery monitor
Ii(bat)
Vbat
Vbat/Vbat
input battery current
voltage range for peak detection
peak detection level with respect to
top level
Vbat = 2.4 V
Vbat = 2 V
Tj
temperature range of peak
detection
0.75
0.92
1.85
5
2.4
0.81
0
Protections; BAT
Vbat(l)
Vbat(h)
low level battery protection voltage
high level battery protection voltage
Oscillator
k
correction factor
fosc
frequency range
3.5
0.84
10
TYP.
6.4
5.05
45
4.25
1.25
±60
0.81
1.0
2.0
2.5
1
0.25
0.81
3.6
0.93
MAX.
11.5
0.5
12.8
6.7
5.45
3
50
4.46
1.31
±120
100
0.87
1.08
2.15
+5
2.6
600
5
3.6
50
0.91
4.5
1.02
100
UNIT
V
V/µs
V
V
V
mA
µA
V
V
ppm/K
µA
V
V
V
µA
%
mV
µA
nA
V
%
°C
V
V
kHz
1996 Feb 26
9
 

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