Texas Instruments TPS92310-12 Evaluation Module TPS92310-12FB/NOPB TPS92310-12FB/NOPB 数据表

产品代码
TPS92310-12FB/NOPB
下载
页码 23
SNVS792 – FEBRUARY 2012
Electrical Characteristics (continued)
V
CC
= 18V unless otherwise indicated. Typicals and limits appearing in plain type apply for T
A
= T
J
= +25°C. Limits appearing
in boldface type apply over the full Operating Temperature Range. Data sheet minimum and maximum specification limits
are specified by design, test or statistical analysis.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
COMPENSATION (COMP)
I
COMP-SOURCE
Internal reference current
V
COMP
= 2.0V, V
ISNS
= 0V, Measure at
27
µA
for primary side current
COMP pin
regulation
gm
ISNS
ISNS error amp
Δ
V
ISNS
to
Δ
I
COMP
@ V
COMP
= 2.5V
100
µmho
transconductance
V
COMP
COMP operating range
2.0
3.5
V
DELAY CONTROL (DLY)
V
DLY
DLY pin internal reference
1.21
1.23
1.26
V
voltage
I
DLY-MAX
DLY source current
V
DLY
= 0V
250
µA
CURRENT SENSE (ISNS)
V
ISNS-OCP
Over Current Detection
Non isolation mode
0.59
0.64
0.68
V
Threshold
V
ISNS-OCP
Over Current Detection
Isolation mode
3.2
3.4
3.6
V
Threshold
I
ISNS
Current Sense Bias
V
ISNS
= 5V
-1
1
µA
Current
T
OCP
Over current Detection
Measure GATE pulse width at V
ISNS
= 5V
210
ns
Propagation Delay
GATE DRIVER (GATE)
V
GATE-H
GATE high drive voltage
I
GATE
= 50mA source
8
9.4
11.86
V
V
GATE-L
GATE low drive voltage
I
GATE
= 50mA sink
28
80
167
mV
T
ON-MIN
Minimum ON time
360
540
720
ns
T
OFF-MAX
Maximum OFF time
ZCD = GND
50
72
94
µs
t
GATE-RISE
Rise time
C
LOAD
= 1nF
110
ns
t
GATE-FALL
Fall time
C
LOAD
= 1nF
20
ns
THERMAL SHUTDOWN
TSD
Thermal shutdown
165
°C
temperature
(1)
Thermal Shutdown
20
°C
hysteresis
(1)
Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at T
J
= 165°C (typ.) and
disengages at T
J
= 145°C (typ).
4
Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: