TEA1654T NXP Semiconductors, TEA1654T Datasheet - Page 13

• Manufacturer Part Number: TEA1654T
• Manufacturer: NXP Semiconductors

Specifications of TEA1654T

• Operating Temperature (max): 145C
• Operating Temperature (min): -20C
• Pin Count: 14
• Mounting: Surface Mount
• Package Type: SO
• Screening Level: Commercial
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
2003 May 12
V
Duty cycle control (pin CTRL)
V
V
5 V output (pin V
V
I
LOCK input (pin LOCK)
V
V
REL
Valley switch (pin DRAIN)
t
Overcurrent and short winding protection (pin I
V
t
V
t
I
Overvoltage protection (pin DEM)
I
Overpower protection (pin DEM)
I
I
CC(5V)
valley-swon
PD
leb
SS
OVP(DEM)
OPP(DEM)
OPP50%(DEM)
V/ t
VCO(max)
CTRL(min)
CTRL(max)
CC(5V)
LOCK
CC(reset)
sense(max)
swp
GreenChip II SMPS control IC
SYMBOL
LOCK,5V
valley
peak voltage on pin I
the frequency is equal to f
minimum voltage on pin CTRL for
maximum duty cycle
maximum voltage on pin CTRL for
minimum duty cycle
output voltage
current capability of pin V
LOCK trip level
voltage level on pin V
resets the latch
relation to 5 V output (pin V
valley recognition voltage change
delay from valley recognition to
switch-on
maximum source voltage OCP
propagation delay from detecting
V
short winding protection voltage
blanking time for current and short
winding protection
soft start current
OVP level on pin DEM
OPP current on pin DEM to start
OPP correction
OPP current on pin DEM, where
maximum source voltage is limited
to 0.3 V
CC(5V)
sense(max)
)
PARAMETER
to switch-off
sense
CC
which
, where
CC(5V)
osc(l)
CC(5V)
)
sense
I
V
V
V
set by resistor R
Section “OverVoltage
Protection (OVP)”
set by resistor R
Section “OverPower
Protection (OPP)”
O
)
V/ t = 0.1 V/ s
V/ t = 0.5 V/ s
LOCK
LOCK
sense
= 1 mA
13
CONDITIONS
< 0.5 V
< 2.3 V
= 0.5
V
CC(5V)
DEM
DEM
; see
; see
4.75
2.37
0.48
0.83
300
45
54
MIN.
1.0
4
85
VCO
1.0
1.5
5.0
2.5
4.5
150
0.52
140
0.88
370
60
60
24
100
TYP.
(1)
1
Product specification
25
TEA1654
MAX. UNIT
5.25
2.63
+4
0.56
185
0.96
440
75
66
85
mV
V
V
V
mA
V
V
%
V/ s
ns
V
ns
V
ns
A
A
A
A