FA6A00N データシートの表示（PDF） - Fuji Electric
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FA6A00N Datasheet PDF : 7 Pages
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BO
/PGS
BO
+
-
VCC
VH
Intemal
Supply Regu-
lator
BOPINP UVLO
Start-up
circuit
VCC_UVLO
-
+
UVLO
X-Cap
discharge
VH
voltage
detection
circuit
STB
Standby control
circuit
VHOVP Msstb Mstb
BOP
MODE
State control
circuit
Smode
VB
DTadj
FB
CS
Pulse by
pulse
protection
on_trg
Oscillator
off_trg
Continuous
HO
control
High side
control circuit
HO
High side
driver
VS
protection
LO
VCC
FB
FB
control
LO
Low side driver
Control
circuit
CS
OLP
OCP
VHOVP
Continuous
Protection
UVLO
BOP
Protection
circuit
Mstb
BOPINP
Msstb
Soft start
control
circuit
FTO
Dadj
VW_OLP
CS
CS
Self-
VW OLP
Control turn-off adjusting detection
dead time circuit
Pulse-by-
pulse
protection
circuit
Pulse-by-
pulse
Protection
VCC
Smode
Mstb
Msstb
Standby
control
circuit
Mstb
Smode
GND
IS
VW
Fig.2 “FA6A00N Series” block diagram
Table 1 Major ratings
Item
High side power supply voltage to ground
High side power supply voltage (VBS)
Low side power supply voltage (VCC)
VH terminal input voltage
Maximum allowable offset power supply
voltage dv/dt
Total loss
Operating junction temperature
Rated value
– 0.3 to + 630 V
– 0.3 to + 30 V
– 0.3 to + 30 V
– 0.3 to + 600 V
± 50 kV /μs (max.)
0.83 W
– 40 to +150 °C
Table 2 Major functions and terminals
Function
Terminal (No.)
Start-up circuit
VH (1), VCC (10)
Low voltage malfunction prevention circuit VCC (10), VB (16)
State setting function
MODE (7)
X-Cap discharge function
VH (1)
Fixed brown-in / brown-out
VH (1)
Variable brown-in / brown-out
BO (3)
Overvoltage protection
VH (1), VCC (10)
Over-current protection with variable
delay time
IS (8), MODE (7)
Overload protection
VW (9), FB (4)
Overheat protection
Integrated
External latch signal input
MODE (7)
Forced turn-off function
VW (9), IS (8)
Automatic dead time adjustment function
VW (9)
High-precision overload protection function
VW (9)
Soft start function
CS (5)
Low standby power operation mode
VCC (10), CS (5),
VH (1)
Power Good signal
PGS (3)
Table 3 Product lineup
Product
name
Terminal 3
FA6A00N PGS terminal
FA6A01N PGS terminal
FA6A10N
FA6A11N
BO terminal
BO terminal
Overload
protection
Auto-restart
Auto-restart
Auto-restart
Latch stop
Over-current
protection
Latch stop
Auto-restart
Auto-restart
Latch stop
(a) Control circuit with 3.3 V, 5 V and 30 V break-
down voltage for controlling the LLC current
resonant circuit
(b) Driver circuit with 630 V breakdown voltage
capable of directly driving the high side and low
side switching devices in the half bridge circuit
(c) Built-in 600 V breakdown voltage start-up de-
vice realizing IC start-up with low power con-
sumption
(d) JEDEC-compliant 16-pin small outline package
The high side and low side outputs alternately op-
erate with a high-precision duty cycle of 50% and the
operating frequency range is 38 to 350 kHz.
3. Features
3.1 Low power dissipation burst control
FA5760N, the 1st-generation product, used the
VCC and CS terminals for hysteresis burst control and
achieved a world-class low standby power without the
standby converter. The FA6A00N Series, which is the
2nd generation, is additionally provided with burst
control optimization to further reduce the standby
power by approximately 20% from FA5760N.
The LLC current resonant control has a high side
246
FUJI ELECTRIC REVIEW vol.59 no.4 2013
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