tea1781 NXP Semiconductors, tea1781 Datasheet - Page 23

• Manufacturer Part Number: tea1781
• Description: Greenchip Pc Secondary Control Ics
• Manufacturer: NXP Semiconductors

NXP Semiconductors
10. Characteristics
Table 7.
T
the IC; unless otherwise specified.
TEA1781_82_1
Preliminary data sheet
Symbol
Supply
V
I
Drivers
R
R
V
Control
V
V
t
I-Control 3.3 V
V
I-Control 5 V
V
Pins VOUT_3V3 and VOUT_5V
I
Enable
V
VDD
d
pd
amb
reg(VDD)
float(UVLO)
trip(L)
trip(H)
ref(3V3)
ref(5V)
trip(ENABLE)
pu
pd
= 25 C; no over temperature; all voltages are measured with respect to ground; currents are positive when flowing into
TEA1781T characteristics
Parameter
regulation voltage on pin
VDD
current on pin VDD
pull-up resistance
pull-down resistance
undervoltage lockout
floating voltage
LOW-level trip voltage
HIGH-level trip voltage
delay time
reference voltage (3.3 V)
reference voltage (5 V)
pull-down current
trip voltage on pin
ENABLE
Conditions
V
Standby mode
Normal mode
SR / SB drivers;
V
V
V
SF drivers; V
V
SR / SB drivers;
V
V
V
SF driver; V
V
SR/SB driver
enable GSB;
voltage on pin WND_SEC_2
enable GSR;
voltage on pin DF (3.3 V and 5 V)
enable GSB;
voltage on pin WND_SEC_2
enable GSR;
voltage on pin DF (3.3 V and 5 V)
enable GSB
V
V
V
V
Standby mode;
V
startup
WND(SEC)_2
FSR
GSB_3V3
VDD
WND(SEC)_2
FSR
GSB_3V3
GSF_3V3
CS_3V3
CS_3V3
CS_5V
CS_5V
VOUT_3V3
Rev. 01 — 13 February 2009
= V
= V
= 14 V to 90 V
= V
= V
V
= V
= V
FSB_3V3
FSB_3V3
GSF_3V3
= V
= V
= V
= V
VOUT
VOUT
VOUT
VOUT
DF_3V3
= V
= V
DF_3V3
GSF_5V
GSB_5V
GSB_5V
VOUT_5V
DF_3V3
DF_3V3
+ 100 mV
= V
= V
(or V
+ 100 mV
= V
= V
FSB_5V
= 0.5 V
FSB_5V
= V
= V
GSF_5V
DF_5V
= 0.4 V
= V
= V
DF_5V
GSR
GSR
DF_5V
DF_5V
= 52 V;
= 52 V;
TEA1781T; TEA1782T
= 51.5 V
= 40.5 V
= 0 V;
) = 0.5 V
= 1 V;
= 40 V;
= 40 V;
GreenChip PC secondary control ICs
Min
9.0
-
-
13
-
3.5
3.5
5.0
3.4
5.8
-
3.25
3.19
4.95
4.85
2
7.0
4.7
2.2
Typ
9.5
1.2
1.9
17
30
4.5
4.5
5.4
4.5
7.0
0.9
3.35
3.29
5.10
5.00
4
8.0
4.1
1.9
© NXP B.V. 2009. All rights reserved.
Max
10.1
-
21
-
5.5
5.5
5.8
5.6
8.2
3.45
3.39
5.25
5.15
6
9.0
-
-
3.5
1.6
Unit
V
mA
mA
V
V
V
V
V
V
V
V
V
mA
V
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