Electrical Specifications
Unless otherwise specified: 16V < VIN < 50V, 0A < IOUT < 4.2A, -55C < TCASE < 100C(1)
Parameter
Input Specifications
Symbol Min
Typ
Max
Units
Conditions
Input Voltage Range
Input dv/dt (1)
VIN
VINDVDT
VUVON
VUVOFF
VUVH
16
28
50
Vdc
1.0
V/µs VIN = 50V
Vdc IO = 4.2A
Input Under-Voltage Turn-on
Input Under-Voltage Turn-off
Input Under-Voltage Hysteresis
Input Over-Voltage Turn-on
Input Over-Voltage Turn-off
Input Over-Voltage Hysteresis
Input Quiescent Current
Input Idling Power
15.3
14.4
0.9
IO = 4.2A
Vdc
IO = 4.2A
Vdc
IO = 4.2A
Vdc
VOVON
VOVOFF
VOVH
52.4
53.5
1.1
IO = 4.2A
Vdc
IO = 4.2A
IQ
2
mAdc VIN = 28V, ENABLE = 0V
PIDLE
PSBY
3.8
W
W
VIN = 28V, IOUT = 0A
Input Standby Power
0.225
VIN = 28V, ENABLE = 0V
TCASE = 100C IOUT = 4.2A FL
88.2 % typical VIN =28V
LIN = 0.47µH CIN = 100µF 63V
=
Input Current Full Load
IIN
2.04
13
Adc
Input Reflected Ripple Current
IINRR
mApp electrolytic + 2x4.7µF 50V X7R
ceramic
CIN = 100µF 63V electrolytic +
2x4.7µF 50V X7R ceramic
CIN = Cbulk + Chf
Recommended Ext Input
Capacitance
CIN
109.4
12.0
µF
Output Specifications
Output Voltage Set Point
Total Output Accuracy
Line Regulation
VOUT
VOA
Vdc IOUT = 2.1 A
%
-3
+3
VRLI
VRLO
0.25
1.5
%
%
VIN = 16V-50V, IOUT = 4.2A
VIN = 28V, IOUT = 0-4.2A
Load Regulation
Output Voltage Trim Range
Output Current Range
Over Current Protection
Efficiency – Full Load
Efficiency – Half Load
Output OVP Set Point
VOADJ -20%
10%
4.2
12
%
IOUT
IOCP
FL
Adc
7.7
Adc VIN = 52V
88.2
84.6
14.5
%
%
T
CASE = 100C, VIN =28V
HL
TCASE = 100C, VIN =28V
VOVP
Vdc
COUT = 6x2.2µF 16V X7R DC-
20MHz
Output Ripple Voltage
VORPP
120
mVpp
Switching Frequency
fSW
900
80
kHz
ms
Output Turn-on Delay Time
tONDLY
VIN = VUVON to ENABLE = 5V
Picor Corporation • picorpower.com
Preliminary PI3106-00-HVMZ Rev 1.3, Jan 17th, 2012 Page 4 of 15
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