TEA1761T_2
?NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 25 April 2007
7 of 13
NXP Semiconductors
TEA1761T
GreenChip synchronous rectier controller
10. Characteristics
Fig 4. Typical regulated V
SENSE
voltage versus junction temperature
junction temperature (癈)
50
150
100
0
50
001aae779
2480
2520
2440
2600
regulated
VSENSE
voltage
(mV)
2400
Table 5.
Characteristics
T
amb
= 25 癈; V
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when owing into
the IC; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply voltage management (pin V
CC
)
V
startup
start-up voltage
8.35
8.6
8.85
V
V
hys
hysteresis voltage
[1]
0.5
V
I
CC(oper)
operating supply current V
CC
= 8 V (V
CC
< V
startup
)
-
1
-
mA
under normal operation; no load on
pin DRIVER
-
1.4
-
mA
Synchronous rectication sense input (pin SRSENSE)
V
act(drv)
driver activation voltage
340 310 280 mV
V
reg(drv)
driver regulation voltage
65
55
45
mV
V
deact(drv)
driver deactivation
voltage
12
mV
t
d(act)(drv)
driver activation delay
time
-
125
-
ns
t
act(sr)(min)
minimum synchronous
rectication active time
Short time
1.5
2
2.5
祍
Long time
1.7
2.2
2.7
祍
Driver (pin DRIVER)
I
source
source current
V
CC
= 15 V; voltage on pin DRIVER = 2 V
0.3
0.25 0.2
A
I
sink
sink current
V
CC
= 15 V;
voltage on pin DRIVER = 2 V
1
1.4
-
A
voltage on pin DRIVER = 9.5 V
2.2
2.7
-
A
V
o(max)
maximum output voltage V
CC
= 15 V
-
10
12
V
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