TEA1205 Просмотр технического описания (PDF) - Philips Electronics
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TEA1205 Datasheet PDF : 16 Pages
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Philips Semiconductors
High efficiency DC/DC converter
Preliminary specification
TEA1205AT
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
Vn
voltage on any pin
Tj
Tamb
Tstg
Ves
junction temperature
operating ambient temperature
storage temperature
electrostatic handling
CONDITIONS
shut-down mode
operational mode
note 1
MIN.
−0.2
−0.2
−25
−40
−65
−3 000
MAX.
+6.5
+5.9
+150
+80
+125
+3 000
Note
1. Human body model: equivalent to discharging a 100 pF capacitor through a 1.5 kΩ series resistor.
UNIT
V
V
°C
°C
°C
V
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
Rth(j-a)
thermal resistance from junction to ambient in free air
VALUE
150
UNIT
K/W
QUALITY SPECIFICATION
In accordance with “SNW-FQ-611 part E”. The numbers of the quality specification can be found in the “Quality
Reference Handbook”. The handbook can be ordered using the code 9397 750 00192.
CHARACTERISTICS
Tj = −20 to +80 °C; all voltages with respect to ground; positive currents flow into the IC; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supplies
VO
output voltage
VSEL = LOW
VSEL = HIGH
Vstart
start-up voltage
Efficiency
η
efficiency
up from 2.4 to 3.3 V
up from 3.6 to 5.5 V
1 mA < IL < 1.0 A
1 mA < IL < 1.0 A
Current levels
Iq
ISHDWN
IlimN
Ilx
quiescent current at pin 3
shut-down current
NFET current limit
note 1
max. continuous current at pin 5
Power MOSFETS
RdsON(N)
RdsON(P)
pin-to-pin resistance NFET
pin-to-pin resistance PFET
5.23 5.55 5.85 V
3.13 3.34 3.54 V
1.6
2.0 2.2
V
80
90
95
%
83
90
94
%
50
60
−
2
0.9 Ilim Ilim
−
−
70
µA
10
µA
1.1 Ilim A
1.0
A
0.08
0.12 0.20
Ω
0.10
0.16 0.25
Ω
1998 Mar 24
8
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