ISL6720A Datasheet, PDF (5/11 Pages) Intersil Corporation – 100V Triple Linear Bias Supply

ISL6720A
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 2
and “Typical Application” on page 3. 17 V < VPWR < 100V, C_VSW = C_VCONT = 1µF, I_VCONT = -250μA,
I_VSW = -500μA, VSW Enabled, T_A = -40°C to +105°C (Note 4), Typical values are at T_A = +25°C (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Current Limit
VPWR = 17V, 48V
VADJ = 15V, VSW Disabled
-225
-380
-500
mA
Maximum External Bias
Load Capacitance Range
VPWR = 17V, 100V
VADJ = 0V, VSWADJ = 0V,
VSW Enabled
I_VIO ≤ 1.00mA
(Notes 5, 6)
0.1
40
V
µF
VADJ Bias Current
VPWR = 100V, VSW Disabled
VADJ = 0V, 40V
-75
-25
1
µA
OUTPUT VOLTAGE VSW
Load Capacitance Range
(Note 5)
0.47
1.0
1.5
µF
Compensation Capacitance
(Note 5)
180
220
260
pF
Overall Accuracy
VPWR = 48V
I_VSW = -500μA to -50mA
VADJ = 0V, VIO = 22V, 40V ext.
VSWADJ = 0.471V
-5
+5
%
VSWADJ = 1.000V
-3
+3
%
VSWADJ = 2.143V
-3
+3
%
Setpoint Range
VPWR = 48V, VADJ = 0V,
VIO = 40V ext.
VSWADJ = 0V
0
1.5
V
VSWADJ = 2.25V
15
V
Source Voltage Headroom, VIO - VSW
VPWR = 21V, VADJ = 0V,
VSW = 15V, I_VSW = -50mA
VIO - VSW
VSW final = 0.95 x VSW initial
1.0
1.5
V
Source Voltage Headroom, VPWR - VSW
VIO = 17 V ext., VADJ = 0V,
VSW = 15V, I_VSW = -50mA
VPWR - VSW
VSW final = 0.95 x VSW initial
5.5
V
Minimum Required Load
-500
µA
VSWADJ Discharge Device, VOL
VPWR = 48V, I_VSWADJ = 10mA
VSW Disabled, VADJ = 15V
0.10
0.25
V
Maximum V_OUT, Faulted VSWADJ
VSWADJ = 4V, VIO = 40V,
15.1
I_VSW = -50mA
23
V
VSWADJ DC Gain
VSW = VADJ*G_VSWADJ
7
V/V
Long Term Stability
T_A = +125°C, 1000 hours, (Note 5)
0.3
%
VPWR = 48V, VSWADJ = 1.0V,
I_VSW = -50mA, VADJ = 0V,
VIO = 40V ext.
Operational Current (source)
VPWR = 48V, VADJ = 0V
-50
mA
VIO = 17V ext., VSWADJ = 2.14V
Current Limit
VPWR = 100V, VADJ = 0V
VIO = 40V ext.
-80
-225
-300
mA
VSWADJ Bias Current
VPWR = 100V, VIO = 40V ext.
-1.0
VSWADJ = 0V, 5V
1.0
μA
OUTPUT VOLTAGE VCONT
Overall Accuracy
VPWR = 17V, 100V
I_VCONT = -250μA to -25mA
VADJ = 0V, VIO = 10V, 40V ext.
T_A = -40 to +105°C
4.925
5.000
5.075
V
5
FN6487.1
August 23, 2007