tea1506 NXP Semiconductors, tea1506 Datasheet - Page 13

• Manufacturer Part Number: tea1506
• Description: Greenchip Smps Control Ic
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CHARACTERISTICS
T
the IC; unless otherwise specified.
2003 Sep 09
Start-up current source (pin DRAIN)
I
BV
Supply voltage management (pin V
V
V
V
I
I
I
Demagnetization management (pin DEM)
V
I
V
V
t
Pulse width modulator
t
t
Oscillator
f
f
V
V
Duty cycle control (pin CTRL)
V
V
I
amb
DRAIN
CC(oper)
CC(start)
CC(protection)
prot(DEM)
suppr
on(min)
on(max)
osc(l)
osc(h)
prot(CTRL)
CC(start)
CC(UVLO)
CC(hys)
th(DEM)
clamp(DEM)(neg)
clamp(DEM)(pos)
vco(start)
vco(nom)
CTRL(min)
CTRL(max)
GreenChip II SMPS control IC
SYMBOL
DSS
= 25 C; V
CC
supply current drawn from
pin DRAIN
breakdown voltage
start-up voltage on V
undervoltage lock-out on V
hysteresis voltage on V
supply current under normal
operation
supply current in start-up and safe
restart mode
supply current while not switching
demagnetization comparator
threshold voltage on pin DEM
protection current on pin DEM
negative clamp voltage on pin DEM I
positive clamp voltage on pin DEM
suppression of transformer ringing
at start of secondary stroke
minimum on-time
maximum on-time
oscillator low fixed frequency
oscillator high fixed frequency
peak voltage on pin I
frequency reduction starts
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
protection current on pin CTRL
= 15 V; all voltages are measured with respect to ground; currents are positive when flowing into
PARAMETER
CC
sense
sense
CC
)
CC
; where
; where
osc(l)
CC
V
V
V
no load on pin DRIVER 1.1
V
V
V
I
latched
V
V
see Figs 7 and 8
V
DEM
DEM
CC
CC
CC(start)
CC
CC
DEM
CTRL
CTRL
CTRL
13
> V
< V
> V
CONDITIONS
= 150 A
= 250 A
= 50 mV
V
> 1.5 V
< 1 V
= 1.5 V
start
start
start
UVLO
V
CC(UVLO)
TEA1506P; TEA1506AP;
TEA1506T; TEA1506AT
650
10.3
8.1
2.0
0
50
0.5
1.1
40
20
145
MIN.
(1)
50
0.5
1
(2)
(2)
500
50
11
8.7
2.3
1.3
0.85
100
0.7
1.5
t
50
25
175
VCO
VCO
1.0
1.5
leb
0.25
0.8
TYP.
1
1
50
Product specification
11.7
9.3
2.6
1.5
70
150
0.9
1.9
60
30
205
MAX.
10
0.05
0.5
V
V
V
V
mA
mA
mV
nA
V
V
ns
kHz
kHz
mV
mV
V
V
UNIT
A
A
A
s
s
A