PI3302-20-LGIZ Datasheet, PDF (9/42 Pages) Vicor Corporation – 8 V to 36 Vin Cool-Power ZVS Buck Regulator Family

PI33xx-x0
PI3318-x0-LGIZ (1.8 V_OUT) Electrical Characteristics
Unless otherwise specified: -55°C < T_J < 125°C, V_IN =24 V, L1 = 155 nH ^[1]
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Input Voltage
Input Current
Input Current At Output Short
(fault condition duty cycle)
Input Quiescent Current
Input Voltage Slew Rate
V_{IN_DC}
I_{IN_DC}
I_{IN_Short}
I_{Q_VIN}
V_{IN_SR}
Input Specifications
Minimum 1 mA load required
V_IN = 24 V, T_C = 25°C, I_OUT =10 A
[2]
Disabled
Enabled (no load)
8
24
36
V
835
mA
20
mA
2.0
mA
2.5
mA
1
V/μs
Output Specifications
Output Voltage Total Regulation V_{OUT_DC} ^[2]
Output Voltage Trim Range
V_{OUT_DC}
[3]
Line Regulation
∆V_OUT (∆V_IN) @25°C, 8 V <V_IN <36 V
Load Regulation
Output Voltage Ripple
Continuous Output
Current Range
∆V_OUT (∆I_OUT) @25°C, 0.5 A <I_OUT <10 A
V_{OUT_AC} I_OUT = 5 A, C_OUT = 6 x 100 μF, 20 MHz BW ^[4]
I_{OUT_DC}
[5]
Current Limit
I_{OUT_CL}
1.773 1.8 1.827
V
1.4
2.0
V
0.10
%
0.10
%
25
mVp-p
10
A
12
A
Protection
V_IN UVLO Start Threshold
V_IN UVLO Stop Threshold
V_{UVLO_START}
V_{UVLO_STOP}
V_IN UVLO Hysteresis
V_IN OVLO Start Threshold
V_IN OVLO Stop Threshold
V_IN OVLO Hysteresis
V_IN UVLO/OVLO Fault Delay Time
V_IN UVLO/OVLO Response Time
Output Overvoltage Protection
Overtemperature
Fault Threshold
Overtemperature
Restart Hysteresis
V_{UVLO_HYS}
V_{OVLO_START}
V_{OVLO_STOP}
V_{OVLO_HYS}
t_{f_DLY}
t_f
V_OVP
T_OTP
T_{OTP_HYS}
Number of the switching freq cycles
Above V_OUT
7.10 7.60 8.00
V
6.80 7.25 7.60
V
0.33
V
37.0 38.4
V
36.1
V
0.77
V
128
Cycles
500
ns
20
%
130
135
140
°C
30
°C
[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, 2 oz 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®
Page 9 of 42
Rev 2.0
02/2016
vicorpower.com
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