TEA1202TS_02 データシートの表示（PDF） - Philips Electronics
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TEA1202TS_02 Datasheet PDF : 28 Pages
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Philips Semiconductors
0.95 V starting power unit
Preliminary specification
TEA1202TS
CONTENTS
14
1
FEATURES
15
2
APPLICATIONS
15.1
3
GENERAL DESCRIPTION
15.2
4
ORDERING INFORMATION
15.3
5
QUICK REFERENCE DATA
15.4
15.5
6
BLOCK DIAGRAM
7
PINNING
16
8
FUNCTIONAL DESCRIPTION
17
8.1
Control mechanism
18
8.2
Synchronous rectification
8.3
Start-up
8.4
Undervoltage lockout
8.5
Shut-down
8.6
Power switches
8.7
Temperature protection
8.8
Current limiters
8.9
External synchronization and PWM-only mode
8.10
Behaviour at input voltage exceeding the
specified range
8.11
Low drop-out voltage regulators
8.12
Low battery detector
9
LIMITING VALUES
10
THERMAL CHARACTERISTICS
11
QUALITY SPECIFICATION
12
CHARACTERISTICS
13
APPLICATION INFORMATION
13.1
13.1.1
13.1.2
13.1.3
13.1.4
13.1.5
13.1.6
13.1.7
13.1.8
13.1.9
13.1.10
13.2
13.3
External component selection
Inductor L1
DC-to-DC input capacitor C1
DC-to-DC output capacitor C2
Diode D1
Feedback resistors R1 and R2
Current limiting resistor R10
Reference voltage decoupling capacitor C5
LDO output capacitors C3 and C4
LDO feedback resistors R3, R4, R5 and R6
Low battery detector components R7, R8, R9
and C6
Application recommendations
Typical performance characteristics
PACKAGE OUTLINE
SOLDERING
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
DATA SHEET STATUS
DEFINITIONS
DISCLAIMERS
2002 Mar 14
2
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