PI3420-00-LGIZ Datasheet, PDF (12/30 Pages) Vicor Corporation – 8 V to 18 Vin, 15 A Cool-Power ZVS Buck Regulator

PI34xx-00
PI3422-00-LGIZ (2.5 V_OUT) Electrical Characteristics
Specifications apply for -40°C < T_J < 125°C, V_IN =12 V, L1 = 125 nH (Note 1) unless other conditions are noted.
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 = 12 V, T_C = 25°C, I_OUT = 15 A
Note ^[2]
Disabled
Enabled (no load)
Note ^[2]
8
12
18
V
3.37
A
10
mA
2.6
mA
4.0
1
V/µs
Output Voltage Total Regulation
Output Voltage Trim Range
Line Regulation
Load Regulation
Output Voltage Ripple
Continuous Output Current Range
Current Limit
Output Specifications
V_{OUT_DC} Note ^[2]
V_{OUT_DC} Note ^[3]
∆V_OUT(∆V_IN) @25°C, 8 V <V_IN <18 V
∆V_OUT(∆I_OUT) @25°C, 0.5 A <I_OUT <15 A
V_{OUT_AC} I_OUT = 7.5 A, C_OUT = 8 x100µF, 20 MHz BW, Note ^[4]
I_{OUT_DC}
I_{OUT_CL}
2.465
2.5
2.535
V
2.0
2.5
3.1
V
0.10
%
0.20
%
14
mVp-p
15
A
18
A
UVLO Start Threshold
UVLO Stop Hysteresis
UVLO Stop Threshold
OVLO Start Hysteresis
UVLO/OVLO Fault Delay Time
UVLO/OVLO Response Time
Output Overvoltage Protection
Over-Temperature Fault Threshold
Over-Temperature Restart Hysteresis
V_{UVLO_START}
V_{UVLO_HYS}
V_OVLO
V_{OVLO_HYS}
t_{f_DLY}
t_f
V_OVP
T_OTP
T_{OTP_HYS}
Protection
Number of the switching frequency cycles
+1% overdrive
Above Set V_OUT
7.20
4
19.71
1.56
130
7.60
5
20.75
1.83
128
500
20
135
30
8.00
6
21.78
2.1
140
V
V
V
V
Cycles
ns
%
°C
°C
[1] _{All parameters reflect regulator and inductor system performance. Measurements were made using a standard PI34xx-00 evaluation board with 3 x 4”}
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 noted electrical characteristics when switching frequency or}
V_OUT 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.}
[7] _{Minimum 5 V between Vin-Vout must be maintained or a minimum load of 1 mA required.}
Cool-Power®
Page 12 of 30
Rev 1.3
12/2015
vicorpower.com
800 927.9474