Preliminary specification
GreenChip
II SMPS control IC
TEA1507
B L OC K DIAG R A M
SUPPLY
MANAGEMENT
internal
supply
UVLO
start
M-level
V
CC
1
2
3
GND
S1
CTRL
FREQUENCY
CONTROL
VOLTAGE
CONTROLLED
OSCILLATOR
LOGIC
LOGIC
OVER-
VOLTAGE
PROTECTION
OVERPOWER
PROTECTION
short
winding
soft
start
S2
OVER-
TEMPERATURE
PROTECTION
SQ
R
UVLO
Q
MAXIMUM
ON-TIME
PROTECTION
POWER-ON
RESET
−
1
VALLEY
T
E
A
1
5
0
7
100 mV
clamp
DRIVER
START-UP
CURRENT SOURCE
0.75 V
0.5 V
5
I sense
6
DRIVER
MGU230
4
DEM
8
DRAIN
7
HVS
n.c.
OCP
LEB
blank
I ss
2.5 V
burst
detect
ViewSonic Corporation
Confidential - Do Not Copy
E96f+SB-1
48
Содержание E96f+SB-1
Страница 44: ...9 Block Diagram ViewSonic Corporation Confidential Do Not Copy E96f SB 1 41 ...
Страница 46: ...SAA4849 ViewSonic Corporation Confidential Do Not Copy E96f SB 1 43 ...
Страница 48: ...IC801 LM1276EE ViewSonic Corporation Confidential Do Not Copy E96f SB 1 45 ...
Страница 49: ...IC801 LM1246DKA ViewSonic Corporation Confidential Do Not Copy E96f SB 1 46 ...
Страница 50: ...ViewSonic Corporation Confidential Do Not Copy E96f SB 1 47 ...
Страница 57: ...11 PCB Layout 11 1 MAIN PCB LAYOUT ViewSonic Corporation Confidential Do Not Copy E96f SB 1 54 ...
Страница 58: ...11 2 CRT BOARD LAYOUT ViewSonic Corporation Confidential Do Not Copy E96f SB 1 55 ...