ATC210 Dual Series | 210 W DC-DC
Intermediate Bus Converters
Electrical Characteristics - O/P
Characteristic
Main Output - 12V
Nominal set-point voltage
Total regulation band
Output current continuous
Output current limit
Vo (nom)
Vo
Iout
Iocp
11.4
0
21.6
22.5
12.2
12.6
17.5
23.4
Vdc
V
Adc
Adc
During a short-circuit or when
current limit of 12 V is exceeded,
12 V latches off, 3.3 V remains
on. The 12 V can only be
enabled by cycling power, or
via the I
2
C interface, providing
the fault condition has cleared.
See Application Note 205
OVP response time is 50 µs (typ.)
mV p-p
mVrms
Vdc
Measurement bandwidth 20 MHz
Measurement bandwidth 20 MHz
Lowest value of Vo @ Iout max.
with input removed for hold up
duration with recommended hold
up capacitance
Capacitance should be low ESR
type. See Application Note 205
Vin = Vin (nom)
For all line, static load and
temperature variations
Symbol
Min
Typ
Max
Units
Notes and Conditions
Overvoltage protection for IBC
Output voltage - noise, pk-pk
Output voltage during hold up
event
Vovp
Vpk-pk
Vrms
Vo (hold)
13.4
0
0
11
14.6
50
20
15.9
100
50
Output capacitance
Co/p
1000
6000
µF
Electrical Characteristics - O/P
Characteristic
Management Power - 3.3V
Nominal set-point voltage
Total regulation band
Output current continuous
Output current limit
Vo (nom)
Vo
Iout
Iout_95%
2.7
3.20
3.32
3.40
1.81
Vdc
V
Adc
Adc
Current measured at
approximately 95% of output
voltage
Short circuit of less than 10 mΩ
Output self recovers upon
removal of the short circuit
If the 3.3 V goes outside these
limits, the 12 V output is
disabled. The 12 V output is
enabled again by cycling input
power, or by resetting via I
2
C
Measurement bandwidth 20 MHz
Measurement bandwidth 20 MHz
Lowest value of Vo @ Iout max
with input removed for hold up
duration with recommended hold
up capacitance
Capacitance should be low ESR
type . See Application Note 205
Vin = Vin(nom)
For all line, static load and
temperature variations
Symbol
Min
Typ
Max
Units
Notes and Conditions
Output current at short circuit
Is/c
3.7
4.0
Adc
Output voltage monitor limits
Vuvp
Vovp
2.94
3.00
3.60
3.67
Vdc
Vdc
Output voltage - noise, pk-pk
Output voltage during hold up
event
Vpk-pk
Vrms
Vo (hold)
0
0
3.25
25
8
50
22
mV p-p
mV rms
Vdc
Output capacitance
Co/p
100
1000
µF
7
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File Name: atc210.pdf Rev: 16 Aug 2006