pt4207 China Resources Powtech (Shanghai) Co., Ltd, pt4207 Datasheet - Page 5

• Manufacturer Part Number: pt4207
• Description: Universal High Brightness Led Driver
• Manufacturer: China Resources Powtech (Shanghai) Co., Ltd

SYMBOL
ELECTRICAL CHARACTERISTICS (Continued)
External MOS drive output pin EXT
Protection
Note 4: Typical parameters are measured at 25
Note 5: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
BLOCK DIAGRAM
China Resources Powtech (Shanghai) Limited
PT4207_DSB Rev EN_0.2
Trestart
T
T
Topen
T
T
F
R_EXT
T
JMAX
PROT
_
SS
EXT
VDD
Toff
GND
DIM
ITEMS
EXT rise time
EXT fall time
Over temperature protection
junction temperature
Maximum operating junction
temperature
Soft start time
Load open circuit protection
detection time
Load open circuit restart time
DIM CTRL
6.0V
TSD
Toff
℃
and
CONDITIONS
Cload=500fF， 10%-90%
Cload=500fF， 90%-10%
Ri=100Kohm
represent the parametric norm.
WWW.CRPOWTECH.COM
Universal High Brightness LED Driver
5.25V
Open/Short
Protection
+
-
Regulator
S
R
SET
CLR
Q
Q
OC Ref
(Note 4, 5)
MIN.
LEB
350mV
TYP.
10.0
135
150
13.5
10
10
1
4
V
PT4207
MAX.
SOURCE
GATE
EXT
CS
UNIT
mS
mS
mS
Page5
nS
nS
℃
℃