ISL9491AERZ-T Intersil, ISL9491AERZ-T Datasheet - Page 6

no-image

ISL9491AERZ-T

Manufacturer Part Number
ISL9491AERZ-T
Description
IC REG SGL LNB CONTROL 16QFN
Manufacturer
Intersil
Datasheet

Specifications of ISL9491AERZ-T

Applications
Converter, Satellite Set-Top Box Designs
Voltage - Input
8 V ~ 11 V
Number Of Outputs
1
Voltage - Output
11 V ~ 16 V
Operating Temperature
-20°C ~ 85°C
Mounting Type
*
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Electrical Specifications
Dynamic Overload Protection
Off-Time
Dynamic Overload Protection
On-Time
TCAP Charging Current
TCAP Discharging Current
LINEAR REGULATOR
Drop-out Voltage
Output Backward Leakage Current
Output Undervoltage
(After Initial Power-up )
Output Overvoltage
(After Initial Power-up)
EN, VSET, EXTM INPUT PINS (Note 5)
Asserted LOW
Asserted HIGH
Input Current
Tone Input Frequency
V
V
V
CURRENT SENSE (CS PIN)
Overcurrent Threshold
BYPASS
Voltage at BYPASS pin
PWM
Maximum Duty Cycle
Minimum Pulse Width
OUT
OUT
OUT
Tone Amplitude
Tone Rise (Note 10)
Tone Fall (Note 10)
PARAMETER
6
V
T
A
CC
ISL9491A
ISL9491A
ISL9491A
ISL9491A
SYMBOL
ISL9491
ISL9491
ISL9491
ISL9491
V
= +25°C. (Continued)
TCAP
TCAP
I
BYPASS
= 12V, T
t
BKLK
V
t
OFF
ON
CS
C
D
A
ISL9491, ISL9491A
Output Shorted to GND (Note 6)
TCAP Pin = 0V
TCAP Pin = 2V
I
and V
EN = 0; V
FAULT asserted for typical V
FAULT asserted for typical V
EXTM input
EXTM input
EXTM input = 22kHz square wave
Vmax = 2.5V, Vmin = 0V, Duty = 50%,
EXTM input = 44kHz square wave
Vmax = 2.5V, Vmin = 0V, Duty = 50%
EXTM input = 22kHz square wave
VHmax = 2.5V, VLmin = 0V, R
EXTM input = 44kHz square wave
VHmax = 2.5V, VLmin = 0V, R
EXTM input = 22kHz square wave
VHmax = 2.5V, VLmin = 0V, Duty = 50%,
R
EXTM input = 44kHz square wave
VHmax = 2.5V, VLmin = 0V, Duty = 50%,
R
(Note 7)
OUT
= -20°C to +85°C, unless otherwise noted. Typical values are at
L
L
= 1k
= 1k
= 500mA, with a Schottky b/w Vsw
OUT
OBK
(Note 4)
TEST CONDITIONS
= 24V (Note 9)
OUT
OUT
L
L
= 1k
= 1k
= 13.3V
= 13.3V
MIN
400
400
380
-12
2.5
+1
90
5
4
5
4
-
-
-
-
-
-
-
-
-
-
TYP
900
650
650
445
1.2
2.0
50
22
21
25
22
44
10
10
93
20
6
6
5
-
-
-
-
MAX
+12
900
900
510
1.4
3.0
0.8
15
15
October 13, 2009
-1
8
8
-
-
-
-
-
-
-
-
-
FN6531.0
UNITS
kHz
kHz
mA
mV
mV
mV
ms
ms
µA
µA
µA
µs
µs
µs
µs
ns
%
%
%
V
V
V
V

Related parts for ISL9491AERZ-T