pt4207 China Resources Powtech (Shanghai) Co., Ltd, pt4207 Datasheet - Page 4

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

SYMBOL
ELECTRICAL CHARACTERISTICS
MOSFET GATE bias pin
Power supply VDD
OFF time setting pin Toff
Dim input pin DIM
Current sense input pin CS
Internal switch output pin SOURCE
China Resources Powtech (Shanghai) Limited
PT4207_DSB Rev EN_0.2
V
VDD
V
I
V
VDDH
T
Clamp
Clamp
V
DD Clamp
V
Dmax
V
V
T_
T_
Dmin
DD
DD Clamp
I
V
Ileak
T
DIM_DC
I
I
ONMIN
V
Rsc
GATE
UVLO
VDD
DIMH
GATE
DIML
DIM
OFF
DIM
=5.5V, T
CS
RSC
FSC
HYS
A
ITEMS
GATE clamp voltage
GATE continues clamp current
VDD UVLO threshold
VDD start up threshold
VDD ripple voltage
VDD charge current
VDD clamp voltage
VDD continues clamp current
OFF time
DIM floating voltage
DIM input logic high level
DIM input logic low level
DIM input analog dim range
DIM pull up current
CS peak reference voltage
Minimum turn on time
Rdson of internal switch
SOURCE rise time
SOURCE fall time
Internal switch leak current
SOURCE
cycle
SOURCE
cycle
=25
o
C unless specified otherwise.
maximum
minimum
duty
duty
CONDITIONS
I
VDD falling
VDD rising
VDD=0
I
Ri=100Kohm
V
Drive 4N60 SOURCE
Drive 4N60 SOURCE
V
Duty=0
GATE
DD
DD
DIM
WWW.CRPOWTECH.COM
=5mA
=5.5V，V
=5mA
=0，V
Universal High Brightness LED Driver
(Note 4, 5)
SOUECE
DIM
=0V
=20V
MIN.
340
5.2
5.6
9.5
4.0
2.5
0.5
12
0
TYP.
13.5
350
230
3.5
5.5
0.5
7.5
6.0
4.5
1.5
10
10
10
20
50
50
PT4207
MAX.
10.5
0.35
360
100
5.8
6.4
5.0
2.5
15
2
1
UNIT
Ohm
mA
mA
mV
mA
uA
uA
Page4
uS
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V