TEA19161T All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet Rev. 1 — 10 March 2016 38 of 46
NXP Semiconductors
TEA19161T
Digital controller for high-efficiency resonant power supply
PFC burst mode controller
en(burst)
burst mode enable duty
cycle
enable of PFC burst mode;
duty cycle of LLC burst mode
-50-%
N
cy(en)burst
burst mode enable number
of cycles
enable of PFC burst mode;
cycles of LLC burst mode
-8-
dis(burst)
burst mode disable duty
cycle
disable of PFC burst mode;
duty cycle of LLC burst mode
-75-%
V
pu(SNSBOOST)
pull-up voltage on pin
SNSBOOST
to enter PFC burst mode off-state - 2.95 - V
I
off(burst)
burst mode off-state current during PFC burst mode off-state 7.1 6.4 5.7 A
V
off(burst)
burst mode off-state voltage
difference
during PFC burst mode off-state;
between peak voltage and end of
off-state
- 75 - mV
V
on(burst)max
maximum burst mode
on-state voltage
during PFC burst mode on-state 2.29 2.37 2.45 V
t
to(det)on(burst)
burst mode on-state
detection time-out time
during PFC burst mode on-state 3.7 4.0 4.3 ms
PFC protection controller
R
pd(SNSBOOST)
pull-down resistance on pin
SNSBOOST
at protection activation - 550 -
I
pd(SNSBOOST)
pull-down current on pin
SNSBOOST
during active protection 94 110 127 A
I
prot(SNSBOOST)
protection current on pin
SNSBOOST
-60-nA
SNSOUT pin
V
ovp(SNSOUT)
overvoltage protection
voltage on pin SNSOUT
3.36 3.50 3.64 V
I
prot(SNSOUT)
protection current on pin
SNSOUT
for open pin - 60 - nA
SNSFB pin
V
bias(SNSFB)
bias voltage on pin SNSFB I
SNSFB
= 85 A2.22.52.8V
Optobias regulator
I
reg(SNSFB)
regulation current on pin
SNSFB
I
start(burst)
= 106 A;
tracks with I
start(burst)
- 85 - A
I
reg(max)SNSFB
maximum regulation current
on pin SNSFB
I
start(burst)
= 106 A;
tracks with I
start(burst)
- 310 - A
I
reg(min)SNSFB
minimum regulation current
on pin SNSFB
I
start(burst)
= 106 A;
tracks with I
start(burst)
- 63 - A
Burst mode regulator
I
start(burst)
burst mode start current LLC burst mode 123 106 89 A
I
stop(burst)
burst mode stop current LLC burst mode - 200 - A
Table 9. Characteristics …continued
T
amb
=25
C; V
SUPIC
= 19.5 V; all voltages are measured with respect to GND; currents are positive when flowing into the IC;
unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit