TEA1208T Ver la hoja de datos (PDF) - Philips Electronics
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TEA1208T Datasheet PDF : 20 Pages
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Philips Semiconductors
High efficiency DC/DC converter
Product specification
TEA1208T
QUICK REFERENCE DATA
SYMBOL
PARAMETER
Voltage levels
UP CONVERSION; pin U/D = LOW
VI
VO
VI(start)
input voltage
output voltage
start-up input voltage
DOWN CONVERSION; pin U/D = HIGH
VI
VO
GENERAL
input voltage
output voltage
Vfb
feedback voltage
Current levels
Iq
quiescent current on pin 3
Ishdwn
ILX
∆Ilim
current in shut-down state
maximum continuous current on pin 4
current limit deviation
Power MOSFETs
RDSon
drain-to-source on-state resistance
N-type
P-type
Efficiency
η1
efficiency up conversion
η2
efficiency down conversion
Timing
fsw
fsync
tres
switching frequency
synchronization clock input frequency
response time
CONDITIONS
MIN. TYP. MAX. UNIT
IL < 62 mA
VI(start) −
2.80
−
5.50 V
5.50 V
1.40 1.60 1.85 V
2.80
−
1.30
−
5.50 V
5.50 V
1.19 1.24 1.29 V
down conversion;
VI = 3.6 V
Tamb = 80 °C
Ilim = 0.5 to 2.5 A
up conversion
down conversion
52
65
−
2
−
−
−17.5 −
−17.5 −
72
µA
10
µA
0.30 A
+17.5 %
+17.5 %
0.10
0.20
0.30
Ω
0.10
0.22
0.35
Ω
VI = 3.6 V; VO = 4.6 V;
L1 = 10 µH
IL = 1 mA
−
88
−
%
IL = 200 mA
−
95
−
%
VI = 3.6 V; VO = 2.0 V;
L1 = 10 µH
IL = 1 mA
−
86
−
%
IL = 200 mA
−
93
−
%
PWM mode
220
275
330
kHz
4
6.5
20
MHz
from standby to P0(max) −
50
−
µs
2002 Nov 15
3
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