TEA1733T_10 datasheet(10/20 Pages) NXP

부품명	TEA1733T

상세설명	GreenChip III SMPS control IC

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TEA1733T_TEA1733LT_2

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Product data sheet

Rev. 02 — 26 March 2010

10 of 20

NXP Semiconductors

TEA1733T; TEA1733LT

GreenChip III SMPS control IC

7.12 Low power operation

In low power operation switching losses are reduced by lowering the switching frequency.

The converter switching frequency is reduced and the peak current is set to 25 % of the

maximum peak current (see Figure 7 and Figure 10).

7.13 Driver (pin DRIVER)

The driver circuit to the gate of the power MOSFET has a current sourcing capability of

typically

−250 mA and a current sink capability of typically 750 mA. This allows for a fast

turn-on and turn-off of the power MOSFET for efficient operation.

7.14 OverTemperature Protection (OTP)

Integrated overtemperature protection ensures the IC stops switching if the junction

temperature exceeds the thermal temperature shutdown limit.

OTP is a latched protection and it can be reset by removing the voltage on pin VCC.

8.

Limiting values

Fig 10. Frequency control

12

switching

frequency

014aaa934

VCTRL (V)

fsw

(kHz)

Table 3.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

Voltages

VCC

supply voltage

continuous

−0.4

+30

V

t < 100 ms

-

35

V

VVINSENSE

voltage on pin VINSENSE

current limited

−0.4

+5.5

V

VPROTECT

voltage on pin PROTECT

current limited

−0.4

+5

V

VCTRL

voltage on pin CTRL

−0.4

+5

V

VIO(OPTIMER)

input/output voltage on pin

OPTIMER

−0.4

+5

V

VISENSE

voltage on pin ISENSE

current limited

−0.4

+5

V

Currents

II(VINSENSE)

input current on pin VINSENSE

−1+1

mA

II(PROTECT)

input current on pin PROTECT

−1+1

mA

유사한 부품 번호 - TEA1733T_10

제조업체	부품명	데이터시트	상세설명
NXP Semiconductors	TEA1733T_1307	148Kb / 21P	GreenChip SMPS control IC Rev. 7-11 July 2013

More results

유사한 설명 - TEA1733T_10

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	TEA1733CP	372Kb / 20P	GreenChip SMPS control IC Rev. 2-15 July 2013
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	TEA1732TS	215Kb / 20P	GreenChip SMPS control IC Rev. 1-18 March 2014
	TEA1833TS	258Kb / 25P	GreenChip SMPS control IC Rev. 1-31 August 2015
	TEA1733LT	149Kb / 21P	GreenChip SMPS control IC Rev. 8 ??16 July 2013

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