tea1762t-n2 NXP Semiconductors, tea1762t-n2 Datasheet - Page 8

• Manufacturer Part Number: tea1762t-n2
• Description: Greenchip Synchronous Rectifier Controller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
10. Characteristics
Table 5.
T
into the IC; unless otherwise specified.
TEA1762T_2
Product data sheet
Symbol
Supply voltage management (pin V
V
V
I
Synchronous rectification sense input (pin SRSENSE)
V
V
V
t
t
Driver (pin DRIVER)
I
I
V
Opto output (pin OPTOREG and OPTOPROT)
I
V
Voltage sense (pin VSENSE)
V
I
g
GB
Reference voltage (pin VREF)
V
I
C
Current sense (pin ISENSE)
V
I
g
CC(oper)
d(act)(drv)
act(sr)(min)
source
sink
O(max)
I(VSENSE)
VREF
I(reg)(ISENSE)
amb
m
m
startup
hys
act(drv)
reg(drv)
deact(drv)
o(max)
O(min)
reg(VSENSE)
VREF
reg(ISENSE)
VREF(max)
= 25 C; V
Characteristics
Parameter
start-up voltage
hysteresis voltage
operating supply current
driver activation voltage
driver regulation voltage
driver deactivation voltage
driver activation delay time
minimum synchronous rectification
active time
source current
sink current
maximum output voltage
maximum output current
minimum output voltage
regulation voltage on pin VSENSE See
input current on pin VSENSE
transconductance
gain bandwidth product
voltage on pin VREF
current on pin VREF
maximum capacitance on pin
VREF
regulation voltage on pin ISENSE
regulation input current on pin
ISENSE
transconductance
CC
= 20 V; all voltages are measured with respect to sense ground (pin 3); currents are positive when flowing
CC
)
Conditions
under normal operation;
no load on pin DRIVER
w.r.t. power ground
w.r.t. power ground
w.r.t. power ground
Short time
Long time
V
DRIVER = 2 V
V
V
V
I
V
V
R
w.r.t. power ground;
V
V
V
Rev. 02 — 25 April 2007
V
OPTO
CC
CC
CC
OPTO
VSENSE
VSENSE
POWERGND
ISENSE
ISENSE
L
CC
voltage on pin DRIVER = 2 V
voltage on pin DRIVER = 9.5 V
= 1 k
= 15 V; voltage on pin
= 15 V
= 15 V
Figure 4
= 8 V; V
= 4 mA
> 5 V
= V
to I
= V
to I
OPTOPROT
reg(ISENSE)
OPTOREG
> 0.4 V
reg(VSENSE)
CC
< V
startup
GreenChip synchronous rectifier controller
[1]
Min
8.35
-
-
-
1.5
1.7
1
2.2
-
4
2.475
1
2.465
46
340
65
0.3
100
1
200
Typ
8.6
0.5
1
1.4
125
2
2.2
1.4
2.7
10
5
2.5
0
40
2.5
50
8
TEA1762T
310
55
12
0.25
100
© NXP B.V. 2007. All rights reserved.
Max
8.85
-
-
-
2.5
2.7
-
-
12
6
3.5
2.525
+100
2.535
40
54
0
280
45
0.2
8 of 15
Unit
V
V
mA
mA
mV
mV
mV
ns
A
A
A
V
mA
V
V
nA
A/V
MHz
V
mA
pF
mV
nA
A/V
s
s