tk75020mtl Toko Inc., tk75020mtl Datasheet - Page 3

• Manufacturer Part Number: tk75020mtl
• Description: Semiconductors / Ccfl Inverter Control Ics
• Manufacturer: Toko Inc.

Note 1: Guaranteed by design; not 100% tested.
4-38
OVP Threshold Voltage検出スレッショルド電圧
Delay to DRV
BLOCK DIAGRAM
TOFF MAX
ON / OFF
TON/SS
EA OUT
EAINV
CT
V
REF
GND
CC
START UP BIAS
1kΩ
1kΩ
R1
R2
EN
Q12
Parameter
0
+2V
V
CC
項目
V
B
V
0
CC
BE
BANDGAP REF
=12V, C
EN
V
A1
A2
CC
2V
OUT
BE
Q9
SOFT START CMP
Q3
5.8/5.3V
Q2
Q1
ON/OFF
1.25V
DRV遅延
ODP DISCHARGE CMP
Q5
+4V
=2.4V, C
Q4
UVLO CMP
OVER DISSIPATION / OVER VOLTAGE PROTECTION
Q13
Q10
REF
ERROR AMP
Q11
Q6
REF BUFFER
Symbol
V
T
Q7
t
=360pF, I
記号
OVP, TH
OVP, D
REF CMP
Q8
Q14
V
REF
EN
REF
-V
1
BE
Q16
TON/SS
MIN
3.6
BUFFERED BIAS
HIGH RAMP DOWN
1.5V
EN
EN
3V
1V
=I
1
2
ZVS DRIVE
ODP LATCH
R
TOFFMAX
V
Value
CC
CMP4
CMP3
CMP2
TYP
350
4.0
Q
B
B
1
2
S
=-50µA, DRV: open, T
CSW LATCH
G4
S
R
MAX
4.3
Q
CL LATCH
G1
3.0V
2.0V
1.5V
1.0V
0.2V
1.25V
REF
R
Units
単位
ns
Q
V
G2
G3
S
R
Q
S
DRV LATCH
A
=25°C unless otherwise stated.
CL CMP
G5
ZVD CMP
EN
B
1
3
EN
DISCHARGE
STAND-BY
4
Conditions
GATE
50uA
V
CURRENT LIMITER
CC
Q15
REF
DRIVE
条件
ODP CUR SRC
0.21V
POWER&RF
Q17
V
CC
EN
2.5/2.7V
3
D1
2005 WINTER
REF
ZVD
DRV
CL
ODP
OVP