Philips Semiconductors
High efficiency DC/DC converter
Product specification
TEA1204T
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
VO(up)
VO(down)
Vstart
output voltage in up mode
output voltage in down mode
start-up voltage
U/D = LOW, VSEL = LOW
U/D = LOW; VSEL = HIGH
U/D = HIGH; VSEL = LOW
U/D = HIGH; VSEL = HIGH
up mode
Efficiency
η
efficiency
from 2.4 to 3.3 V
from 3.6 to 5.0 V
from 5.0 to 3.6 V
from 5.0 to 3.3 V
1 mA < IL < 1.0 A
1 mA < IL < 1.0 A
1 mA < IL < 1.0 A
1 mA < IL < 1.0 A
Current levels
Iq
ISHDWN
IlimN
IlimP
ILX(max)
quiescent current at pin 3
shut-down current
current limit NFET
current limit PFET
maximum continuous current at
pin 5
up mode
up mode
down mode
Power MOSFETS
RdsON(N)
RdsON(P)
pin-to-pin resistance NFET
pin-to-pin resistance PFET
Timing
fsw
switching frequency
tres
response time from standby to Pmax
MIN.
4.75
3.13
3.42
3.13
1.6
83
82
80
78
50
−
2.38
2.05
−
0.08
0.10
150
−
TYP.
5.05
3.34
3.64
3.34
2.0
90
90
92
90
60
2
2.80
2.40
−
0.12
0.16
200
25
MAX.
5.35
3.54
3.85
3.54
2.2
UNIT
V
V
V
V
V
95
%
94
%
95
%
94
%
70
µA
10
µA
3.20 A
2.75 A
1.0
A
0.20 Ω
0.25 Ω
240 kHz
−
µs
1998 Mar 02
3