tea1733t NXP Semiconductors, tea1733t Datasheet - Page 2

• Manufacturer Part Number: tea1733t
• Description: Greenchip Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
3. Applications
4. Ordering information
Table 1.
5. Block diagram
TEA1733T_TEA1733LT_1
Objective data sheet
Type number
TEA1733T
TEA1733LT
Fig 1.
DRIVER
ISENSE
GND
VCC
(1) In the TEA1733LT the OverPwr signal switches the IC to the latched-off state. In the TEA1733T the OverPwr signal triggers the
restart timer.
Block diagram
Ordering information
1
2
3
4
55
A
DRV
PowerDown
22 V
V
OVER POWER
Clamp
CORRECTION
Clamp
ctrl(Ipeak)
Q
Soft Start
Package
Name
SO8
SO8
S
R
I
BLANK
6 V
CONTROL
RESTART
Set
The devices can be used in all applications that require an efficient and cost-effective
power supply solution of up to 75 W.
Restart
LEB
Latch
OCP
VINSENSE
Description
plastic small outline package; 8 leads; body width 3.9 mm
plastic small outline package; 8 leads; body width 3.9 mm
Stop
DutyMax
21 V
12 V
5 V
Soft Start
OPsw
Restart
Latch
Stop
1.2 V / 4.5 V
VCCstart
VCCstop
LatchReset
107 A
Rev. 01 — 26 October 2009
OPTIMER
V
ctrl(Ipeak)
400 mV
Restart
Q
Q
Latch
TEMP
PROT
R
R
DutyMax
S
S
V
ctrl(Ipeak)
Freq reduction
LatchReset
Set
DIGITAL CONTROL
OTP
D
Driver
TEA1733T; TEA1733LT
OPsw
OSCILLATOR
Q
VCCstop
OverPwr
HighVin
LowVin
VCCstart
PowerDown
LowVin
ProtLow
OTP
ProtHigh
ProtLow
OverPwr
CONTROL
ANALOG
OverPwr
(1)
(1)
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
11 A
5.4 V
014aaa926
© NXP B.V. 2009. All rights reserved.
7 k
107
32
A
A
8
7
6
5
Version
SOT96-1
SOT96-1
OPTIMER
CTRL
PROTECT
VINSENSE
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