PI3749-00-EVAL1 Datasheet, PDF (8/26 Pages) Vicor Corporation – Cool-Power® ZVS Switching Regulators

PI3749-x0
Electrical Characteristics (Cont.)
Specifications apply for the conditions -40°C < T_J < 115°C, V_IN = 16V – 34V, V_OUT = 24V, L_EXT = 480nH^[4], external C_IN = C_OUT = 20µF,
unless otherwise noted.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
General Purpose Amplifier
Open Loop Gain
[5]
96
Small Signal Gain-Bandwidth
[5]
5
Offset
-1
Common Mode Input Range
-0.1
Differential Mode Input Range
Maximum Output Voltage
IDIFF = -1mA
Minimum Output Voltage
No Load
Capacitive Load
[5]
for Stable Operation
0
Slew Rate
Output Current
-1
Transconductance Error Amplifier
Reference
Input Range
Maximum Output Voltage
V_REF
V_EAIN
EAIN = EAO
Note V_{EAIN_OV} below
1.667
0
3.45
Minimum Output Voltage
Transconductance
Factory Set
Zero Resistor
Factory Set
EAO Output Current Sourcing
V_EAO = 50mV, V_EAIN = 0V
EAO Output Current Sinking
V_EAO = 2V, V_EAIN = 5V
Open Loop Gain
R_OUT > 1MΩ ^[5]
70
Control and Protection
Switching Frequency
F_SW
V_IN = V_OUT = 24V, I_OUT = 2A
Switching Frequency
F_SW
V_IN = 16V, V_OUT = 12V, I_OUT = 7A
V_EAO Pulse Skip Threshold
V_{EAO_PST}
V_EAO to SGND
Control Node Range
V_RAMP
0
V_EAO Overload Threshold
V_{EAO_OL}
V_EAO to SGND
3.2
Overload Timeout
T_OL
V_EAO > V_{EAO_OL}
V_OUT Slow Current Limit
V_{OUT_SCL} 10µs time constant
V_EAIN Output Overvoltage Threshold V_{EAIN_OV}
V_EAIN > V_{EAIN_OV}
Overtemperature Fault Threshold
T_OTP
[5]
125
Overtemperature Restart Hysteresis T_{OPT_HYS} ^[5]
V_OUT Negative Fault Threshold
-0.35
[4] _{See Inductor Pairing section.}
[5] _{Assured to meet performance specification by design, test correlation, characterization, and/or statistical process control.}
[6] _{Output current capability varies with input & output voltage. See performance curves in Figures 15 – 17.}
120
140
dB
7
12
MHz
0.2
1
mV
2.5
V
2
V
V_DR - 0.2V
V
20
mV
100
pF
10
V/µs
1
mA
1.7
1.734
V
V_DR
V
4.0
V
0
0.1
V
7.6
mS
7.0
kΩ
400
µA
400
µA
80
dB
800
kHz
480
kHz
0.6
V
3.3
V
3.4
V
1
ms
18
A
2.04
V
129
°C
30
°C
-0.25 -0.15
V
Cool-Power^® ZVS Switching Regulators
Page 8 of 26
Rev 1.8
03/2017
vicorpower.com
800 927.9474