TEA1738FT 데이터 시트보기 (PDF) - NXP Semiconductors.
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TEA1738FT Datasheet PDF : 20 Pages
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NXP Semiconductors
5. Block diagram
TEA1738FT
GreenChip SMPS control IC
VCC
GND
1
22 V
clamp
13 V
12 V
6V
5V
latch
VCCstart
VCCstop
Vctrl(Ipeak)
400 mV
latch reset
DQ
driver
overpower
OPP switch
2.5 V
2
clamp
power down
restart
RESTART
CONTROL
30 V
COUNT
TO 8
OVP
TEMPERATURE
PROTECTION
OTP
OPP switch
driver
107 μA
OPTIMER
1.2 V / 4.5 V
set
δmax
OSCILLATOR
frequency reduction
Vctrl(Ipeak)
ANALOG
CONTROL
MODULATION
SLOPE
COMPENSATION
11 μA
8
OPTIMER
5.4 V
7 kΩ
7
CTRL
DRIVER
DRV
3
S set
Q
R
stop
δmax
overload
VCCstop
QS
overpower
R
driver
stop
prothigh
55
μA
4
ISENSE
BLANK
soft start LEB
restart
Vctrl(Ipeak)
OCP
soft start
OVERPOWER
CORRECTION
stop
VINSENSE
latch
restart
S
Q
R
latch
S
Q
R
overload
lowvin
VCCstart
power down
lowvin
protlow
OTP
prothigh
protlow
OVP
latch reset
DIGITAL CONTROL
protlow
lowvin
32
μA
0.50 V/0.80 V 6
107
μA
PROTECT
0.72 V/0.94 V
5
VINSENSE
Fig 1. Block diagram
014aab296
TEA1738FT
Preliminary data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 30 December 2010
© NXP B.V. 2010. All rights reserved.
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