Datasheet

DS_D12F200_10202013
2
TECHNICAL SPECIFICATIONS
(Ambient Temperature=25°C, nominal V
in
=12Vdc unless otherwise specified.)
PARAMETER
NOTES and CONDITIONS
D12F200
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
-0.3
13.8
Vdc
Operating Temperature
Refer to Fig.37 for the measuring point
0
70
°C
Storage Temperature
-40
125
°C
INPUT CHARACTERISTICS
Operating Input Voltage
4.5
13.8
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
4.3
Vdc
Turn-Off Voltage Threshold
4.0
Vdc
Maximum Input Current
Vin=12V, Vo=5V, Io=40A
18
A
No-Load Input Current
Vin=12V, Vo=5V, Io=40A
260
300
mA
Off Converter Input Current
Remote OFF
17
20
mA
Input voltage slew rate
dV/dt
10
V/mS
OUTPUT CHARACTERISTICS
Output Voltage Adjustment Range
Refer to Fig.19 for the relations between input and output voltage
0.6
5.0
Vdc
Output Voltage Set Point
With a 0.1% trim resistor
-1.0
+1.0
%Vo
Output Voltage Regulation
Over Load
Vo≦1.2Vdc
-20
+20
mV
Vo＞1.2Vdc
-1.5
+1.5
%Vo
Over Line
Vin=Vin_min to Vin_max
-0.5
+0.5
%Vo
Total output range
Over load, line, temperature regulation and set point
-3.0
+3.0
%Vo
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 10uF Tan cap, total input & output range
20
50
mV
Output Current Range
0
40
A
Output Voltage Under-shoot at Power-Off
Vin=12V, Turn OFF
100
mV
Output short-circuit current, RMS value
12Vin, 5Vout
10
A
Over Current Protection
Hiccup mode
70
A
Over Voltage Protection
Non-latching shutdown
120
%
DYNAMIC CHARACTERISTICS
Transient Response
25% step load, Slew rate=10A/uS, 0.6V~1.8V output
120
150
mVpk
25% step load, Slew rate=10A/uS, 2.5V~ 5.0V output
130
160
mVpk
Output Dynamic Load Response
12Vin, 2.5Vout, 1µF ceramic and 10µF Tan cap
Settling Time
Settling to be within regulation band (to 10% Vo deviation)
20
50
µs
Turn-On Transient
Rise Time
From 10% to 90% of Vo
1.5
mS
Turn on Delay (power)
Vin=12V, Io=min-max. (Wthin 10% of Vo)
3
mS
Turn on Delay (Remote on/off)
Vin=12V, Io=min-max. (Wthin 10% of Vo)
3
mS
Turn on Transient (overshoot)
0.5%
Vo
Turn off Transient (undershoot)
100
mV
Maximum Output Capacitance
0
5000
µF
EFFICIENCY
Vo=0.6V
Vin=12V, Io=40A
70
71.4
%
Vo=0.9V
Vin=12V, Io=40A
78
79.4
%
Vo=1.2V
Vin=12V, Io=40A
81
83.5
%
Vo=1.5V
Vin=12V, Io=40A
84
85.9
%
Vo=1.8V
Vin=12V, Io=40A
85
87.5
%
Vo=2.5V
Vin=12V, Io=40A
88
90.4
%
Vo=3.3V
Vin=12V, Io=40A
90
92.2
%
Vo=5.0V
Vin=12V, Io=40A
92
94.0
%
FEATURE CHARACTERISTICS
Switching Frequency
Fixed, per phase
500
KHz
ON/OFF Control
Positive logic (internally pulled high)
Logic High
Module On (or leave the pin open)
1.2
Vinmax
V
Logic Low
Module Off
0
0.6
V
Remote Sense Range
0.5
V
Power Good
Vo is out off +/-10% Vo,set
0
0.4
V
Vo is within +/-10% Vo,set
4.0
5.1
V
Power Good Delay
0.2
2
mS
Output to Power Good Delay Time
1
mS
GENERAL SPECIFICATIONS
Calculated MTBF
25
℃
, 300LFM, 80% load
5.6
Mhours
Weight
14
grams