tea1752t NXP Semiconductors, tea1752t Datasheet - Page 21

• Manufacturer Part Number: tea1752t
• Description: Greenchip Iii Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
8. Limiting values
TEA1752T_LT
Product data sheet
7.3.11 Driver (pin FBDRIVER)
The driver circuit to the gate of the external power MOSFET has a current sourcing
capability of typically −500 mA and a current sink capability of typically 1.2 A. This enables
fast turn-on and turn-off of the power MOSFET for efficient operation.
Table 3.
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Voltages
V
V
V
V
V
V
V
V
V
V
V
Currents
I
I
I
I
I
FBCTRL
FBAUX
PFCSENSE
FBSENSE
FBDRIVER
Fig 17. Overpower protection curve
CC
LATCH
FBCTRL
PFCCOMP
VINSENSE
VOSENSE
PFCAUX
FBSENSE
PFCSENSE
PFCTIMER
HV
Limiting values
Parameter
supply voltage
voltage on pin LATCH
voltage on pin FBCTRL
voltage on pin PFCCOMP
voltage on pin VINSENSE
voltage on pin VOSENSE
voltage on pin PFCAUX
voltage on pin FBSENSE
voltage on pin PFCSENSE
voltage on pin PFCTIMER
voltage on pin HV
current on pin FBCTRL
current on pin FBAUX
current on pin PFCSENSE
current on pin FBSENSE
current on pin FBDRIVER
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 24 June 2010
−360
I
FBAUX
Conditions
current limited
current limited
current limited
duty cycle < 10 %
(μA)
TEA1752T; TEA1752LT
−100
GreenChip III SMPS control IC
0
V
(V)
014aaa749
0.46
0.65
FBSENSE
Min
−0.4
−0.4
−0.4
−0.4
−0.4
−0.4
−25
−0.4
−0.4
−0.4
−0.4
−3
−1
−1
−1
−0.8
© NXP B.V. 2010. All rights reserved.
Max
+38
+5
+5
+5
+5
+5
+25
+5
+5
+5
+650
0
+1
+10
+10
+2
Unit
V
V
V
V
V
V
V
V
V
V
V
mA
mA
mA
mA
A
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