TEA1211HN View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TEA1211HN Datasheet PDF : 23 Pages
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Philips Semiconductors
High efficiency auto-up/down
DC/DC converter
Preliminary specification
TEA1211HN
5 BLOCK DIAGRAM
handbook, full pagewidth
n.c.
6, 8, 17, 19
2, 31, 32
IN
TEA1211HN
P-type power FET
P-down
LXA
LXB
1, 3, 4,
10, 11
14, 15, 21, 22, 24
P-type power FET
P-up
23, 25, 26
OUT
INTERNAL
SUPPLY
TEMPERATURE
PROTECTION
13 MHz
OSCILLATOR
CLOCK
SELECTOR
sense FET
DIGITAL
CONTROLLER
N-down
N-up
N-type
power FETs
I2C-BUS INTERFACE
Current limit
comparator
Window
comparator
BANDGAP
REFERENCE
27 FB
29
28
SYNC/PWM SHDWN
12
13
30
5, 7, 9, 16, 18, 20
SCL SDA
ILIM GND
Fig.1 Block diagram.
MDB001
6 PINNING
SYMBOL
LXA
IN
LXA
LXA
GND
n.c.
GND
n.c.
GND
LXA
LXA
SCL
SDA
LXB
LXB
GND
PIN
DESCRIPTION
1 inductor connection 1
2 input voltage
3 inductor connection 1
4 inductor connection 1
5 ground
6 not connected
7 ground
8 not connected
9 ground
10 inductor connection 1
11 inductor connection 1
12 serial clock input line I2C-bus
13 serial data input/output line
I2C-bus
14 inductor connection 2
15 inductor connection 2
16 ground
SYMBOL
n.c.
GND
n.c.
GND
LXB
LXB
OUT
LXB
OUT
OUT
FB
SHDWN
SYNC/PWM
ILIM
IN
IN
PIN
DESCRIPTION
17 not connected
18 ground
19 not connected
20 ground
21 inductor connection 2
22 inductor connection 2
23 output voltage
24 inductor connection 2
25 output voltage
26 output voltage
27 feedback input
28 shut-down input
29 synchronization clock input,
PWM-only input
30 current limit resistor connection
31 input voltage
32 input voltage
2003 Oct 13
4
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