TEA1654T NXP Semiconductors, TEA1654T Datasheet - Page 4

• Manufacturer Part Number: TEA1654T
• Manufacturer: NXP Semiconductors

Specifications of TEA1654T

• Operating Temperature (max): 145C
• Operating Temperature (min): -20C
• Pin Count: 14
• Mounting: Surface Mount
• Package Type: SO
• Screening Level: Commercial
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
BLOCK DIAGRAM
2003 May 12
handbook, full pagewidth
GreenChip II SMPS control IC
VCOadj
STDBY
LOCK
CTRL
V CC
GND
8
10
3
1
13
12
5.6 V
300
TEA1654T
S1
2.5 V
M-level
lock
detect
1
FREQUENCY
CONTROL
internal
supply
MANAGEMENT
CONTROLLED
TEMPERATURE
OSCILLATOR
PROTECTION
POWER-ON
VOLTAGE
SUPPLY
RESET
OVER-
UVLO start
Fig.2 Block diagram.
V CC < 4.5 V
UVLO
PROTECTION
MAXIMUM
ON-TIME
LOGIC
n.c.
LOGIC
4
S
R
S
R
9
Q
Q
Q
Q
CURRENT SOURCE
START-UP
VALLEY
100 mV
winding
short
OVER-POWER
PROTECTION
PROTECTION
blank
VOLTAGE
OCP
LEB
OVER-
DRIVER
0.88 V
clamp
start
soft
S2
5 V/1 mA
(max)
Product specification
I ss
0.5 V
MDB213
TEA1654
5, 6
14
11
7
4
2
DRAIN
HVS
DEM
DRIVER
I sense
V CC(5V)