tea1733mt NXP Semiconductors, tea1733mt Datasheet - Page 3

• Manufacturer Part Number: tea1733mt
• Description: Tea1733mt Greenchip Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
5. Block diagram
TEA1733MT
Preliminary data sheet
Fig 1.
DRIVER
ISENSE
GND
VCC
Block diagram
1
2
3
4
μA
55
DRV
power down
22 V
V
clamp
CORRECTION
OVERPOWER
ctrl(Ipeak)
clamp
Q
soft start
R
S
BLANK
6 V
CONTROL
RESTART
set
restart
LEB
latch
OCP
VINSENSE
stop
δ
21 V
12 V
max
5 V
soft start
restart
OPP switch
latch
stop
All information provided in this document is subject to legal disclaimers.
1.2 V / 4.5 V
VCCstart
VCCstop
latch reset
overload
107 μA
Rev. 1 — 4 February 2011
δ max prot
OPTIMER
V
ctrl(Ipeak)
400 mV
TEMPERATURE
restart
Q
Q
PROTECTION
latch
frequency reduction
S
R
S
R
V
COUNT
overpower
ctrl(Ipeak)
TO 8
δ
latch reset
max
set
DIGITAL CONTROL
VCCstop
OPP switch
D
driver
δ max
Q S
OSCILLATOR
lowvin
δ max prot
highvin
VCCstart
power down
lowvin
protlow
OTP
prothigh
protlow
overload
OTP
Q
CONTROL
ANALOG
R
driver
stop
overpower
prothigh
protlow
highvin
lowvin
COMPENSATION
MODULATION
SLOPE
GreenChip SMPS control IC
2.5 V
0.50 V/0.80 V
3.52 V
0.72 V/0.94 V
TEA1733MT
11 μA
5.4 V
© NXP B.V. 2011. All rights reserved.
7 kΩ
107
μA
32
μA
8
7
6
5
OPTIMER
CTRL
PROTECT
VINSENSE
001aan238
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