Rainbow-electronics MAX783 Manual do Utilizador descarregar pdf (Página 10)

MAX783

Triple-Output Power-Supply Controller

for Notebook Computers

10 ______________________________________________________________________________________

FB5

CS5

5V

PWM

CONTROLLER

(SEE FIG. 3)

DH5

BST5

LX5

DL5

SS5

FB3

CS3

3.3V

PWM

CONTROLLER

(SEE FIG. 3)

DH3

BST3

LX3

DL3

SS3

ON5

ON3

+5V LDO

LINEAR 

REGULATOR

+3.3V

REFERENCE

300kHz/200kHz

OSCILLATOR

VDD

V+

REF

GND

SYNC

VPPA

DA0

DA1

VPPB

DB0

DB1

1.65V

LINEAR

REGULATOR

LINEAR

REGULATOR

3.3V

4.5V

STANDBY

2.8V

13V TO 19V



FAULT

VDD REG



13V

19V

PGND

SHDN

RDY5

MAX783

Figure 2. Block Diagram

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 27 28

Evaluation Kit 1
Information Included 1
ELECTRICAL CHARACTERISTICS 2
ABSOLUTE MAXIMUM RATINGS 2
MAX183 5 4
MAX183 6 4
+5V Switch-Mode Supply 8
+3.3V Switch-Mode Supply 8
HIGH-SIDE SUPPLY (VDD) 9
Figure 2. Block Diagram 10
High-Side Supply (VDD) 13
PCMCIA-Compatible 13
Programmable VPP Supplies 13
Table 2. VPP Program Codes 14
+5V Inductor (L1) 15
+3.3V Transformer (L2) 15
MOSFET Switches (N1-N4) 16
Diode D3 17
Diodes D2 and D5 17
Bypass Capacitors 17
Low-Voltage Operation 17
Layout and Grounding 18
Evaluation Kit Information 20
36-PIN PLASTIC 28
SMALL-OUTLINE 28

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