PI3303-00-EVAL1 Datasheet, PDF (7/42 Pages) Vicor Corporation – Cool-Power® ZVS Switching Regulators

PI3311-x0-LGIZ (1.0V_OUT) Electrical Characteristics (Cont.)
Unless otherwise specified: -40°C < T_J < 125°C, V_IN = 24V, L1 = 125nH ^[1]
Parameter
Symbol
Conditions
PI33xx-x0
Min
Typ
Max
Unit
Switching Frequency
Fault Restart Delay
f_S
[6]
t_{FR_DLY}
Timing
500
kHz
30
ms
Synchronization Frequency Range
SYNCI Threshold
∆f_SYNCI
V_SYNCI
Sync In (SYNCI)
Relative to set switching frequency ^[3]
50
110
%
2.5
V
SYNCO High
SYNCO Low
SYNCO Rise Time
SYNCO Fall Time
V_{SYNCO_HI}
V_{SYNCO_LO}
t_{SYNCO_RT}
t_{SYNCO_FT}
Sync Out (SYNCO)
Source 1mA
Sink 1mA
20pF load
20pF load
4.5
V
0.5
V
10
ns
10
ns
TRK Active Input Range
TRK Max Output Voltage
TRK Disable Threshold
Charge Current (Soft – Start)
Discharge Current (Fault)
Soft-Start Time
Soft Start And Tracking
V_TRK
Internal reference tracking range
V_{TRK_OV}
I_TRK
I_{TRK_DIS}
t_SS
V_TRK = 0.5V
C_TRK = 0µF
0
1.04
V
1.2
V
20
40
60
mV
70
50
30
μA
6.8
mA
2.2
ms
Enable
High Threshold
Low Threshold
Threshold Hysteresis
Enable Pull-Up Voltage
(Floating)
Enable Pull-Down Voltage
(Floating)
V_{EN_HI}
V_{EN_LO}
V_{EN_HYS}
V_{EN_PU}
V_{EN_PD}
With positive logic EN polarity
With negative logic EN polarity
0.9
1
1.1
V
0.7
0.8
0.9
V
100
200
300
mV
2
V
0
V
Source Current
I_{EN_SO}
With positive logic EN polarity
50
μA
Sink Current
I_{EN_SK}
With negative logic EN polarity
50
μA
[1] _{All parameters reflect regulator and inductor system performance. Measurements were made using a standard PI33xx-x0 evaluation board with 3x4”}
dimensions and 4 layer, 2oz copper. Refer to inductor pairing table within Application Description section for specific inductor manufacturer and value.
[2] _{Regulator is assured to meet performance specifications by design, test correlation, characterization, and/or statistical process control.}
[3] _{Output current capability may be limited and other performance may vary from electrical characteristics when switching frequency or VOUT is modified.}
[4] _{Refer to Output Ripple plots.}
[5] _{Refer to Load Current vs. Ambient Temperature curves.}
[6] _{Refer to Switching Frequency vs. Load current curves.}
Cool-Power^® ZVS Switching Regulators
Page 7 of 42
Rev 2.4
02/2017
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