tea1751lt NXP Semiconductors, tea1751lt Datasheet - Page 16

• Manufacturer Part Number: tea1751lt
• Description: Greenchip Iii Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TEA1751T_LT_1
Product data sheet
In normal operating conditions, when the converter is regulating the output voltage, the
voltage on the FBCTRL pin is between 1.4 V and 2.0 V (typical values) from minimum to
maximum output power.
Fig 11. Time-out protection circuit
Fig 12. Time-out protection (signals), safe restart in the TEA1751
Fig 13. Time-out protection (signals), latched in the TEA1751L
V
V
TIMEOUT
FBCTRL
FBCTRL
voltage
voltage
output
output
Rev. 01 — 10 July 2008
intended output
intended output
reached within
reached within
time out time.
4.5 V
time-out time.
voltage not
voltage not
2.5 V
TEA1751T; TEA1751LT
3.5 V
latched
3 k
restart
30 A
intended output voltage
reached within time-out
FBCTRL
GreenChip III SMPS control IC
time.
4.5 V
2.5 V
4.5 V
2.5 V
014aaa049
014aaa050
014aaa298
© NXP B.V. 2008. All rights reserved.
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