4
Data Device Corporation
www.ddc-web.com
PW-82520/21N
A-11/01-1000
TABLE 2. PW-82520/21N SPECIFICATIONS (CONTINUED)
(UNLESS OTHERWISE SPECIFIED,VBUS = 28VDC,V
DR
= +15V,V
CC
= +5V,V
DD
= +5V,V
EE
= -5V,TC = 25°C, LL = 500 μH,
PWM IN = PWM OUT AT FREE RUNNING FREQUENCY)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT MONITOR AMP
(ALL MODELS)
Current Monitor Offset
Output Current
Output Resistance
CURRENT MONITOR AMP
(PW-82520N1)
Current Monitor Gain
R
OUT
Io
C
= 0A
-10
-10
+10
+10
1
mVdc
mA
PROPAGATION DELAY
Td (on)
Td (off)
From 1.5V on ENABLE to
90% of VBUS
From 3.5V on ENABLE to
10% of VBUS
40
20
μs
μs
SWITCHING CHARACTERISTICS
PW-82520N1
Upper Drive
Turn-on Rise Time
Turn-off Fall Time
Lower Drive
Turn-on Rise Time
Turn-off Fall Time
PW-82520N3
Upper Drive
Turn-on Rise Time
Turn-off Fall Time
Lower Drive
Turn-on Rise Time
Turn-off Fall Time
PW-82520N0/21N0
Upper Drive
Turn-on Rise Time
Turn-off Fall Time
Lower Drive
Turn-on Rise Time
Turn-off Fall Time
t
r
t
f
t
r
t
f
t
r
t
f
t
r
t
f
t
r
t
f
t
r
t
f
Rise Time =
90% to 10% of V
BUS
Fall Time =
10% to 90% of V
BUS
I
O
= 1A
Rise Time =
90% to 10% of V
BUS
Fall Time =
10% to 90% of V
BUS
I
O
= 3A
Rise Time =
90% to 10% of V
BUS
Fall Time =
10% to 90% of V
BUS
I
O
= 10A
75
30
50
60
150
150
160
130
200
200
200
200
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CURRENT MONITOR AMP
(PW-82520/82521N0)
Current Monitor Gain
CURRENT COMMAND
Transconductance Ratio
PW-82520N1
PW-82520N3
PW-82520/82521N0
Non-Linearity
Temperature Coefficient of G
PW-82520N1/N3
PW-82520/82521N0
VBUS+ SUPPLY
Nominal Operating Voltage
PW-82520N1/N3/N0
PW-82521N0
+15V SUPPLY
Voltage
Current
Current
N1
N3
N0
0.40
V/A
CURRENT MONITOR AMP
(PW-82520N3)
Current Monitor Gain
1.33
V/A
4
V/A
G
FIGURE 7
Io = 1A
Io = 3A
Io = 10A
0.24
0.73
2.37
-1.5
0.25
0.75
2.50
0.038
0.05
0.26
0.76
2.63
+1.5
A/V
A/V
A/V
% FSR
%FSR/°C
%FSR/°C
V
NOM
18
36
28
56
70
140
Vdc
Vdc
V
DR
I
DR
I
DR
I
DR
I
DR
ENABLE = high
ENABLE = low
ENABLE = low
ENABLE = low
+13.5
+15.0
100
9
18
30
+16.5
15
25
45
Vdc
μA
mA
mA
mA