LED7708 STMicroelectronics, LED7708 Datasheet - Page 14

• Manufacturer Part Number: LED7708
• Description: LED Lighting Drivers 16 Ch 85mA LED 3.6 to 36V 250kHz
• Manufacturer: STMicroelectronics

Specifications of LED7708

• Rohs: yes

Electrical characteristics
Table 6.
14/53
Power consumption
OV protection, output regulation
Symbol
V
V
FB,OVP
FB,OVP
I
I
I
I
I
VIN1
VIN2
VIN3
VIN4
VSI1
Electrical characteristics (continued)
FSW synchronization input
low level
FSW synchronization input
high level
SYNC output duty cycle
SYNC output high level
SYNC output low level
Adjustable power MOSFET
current sensing voltage
Shutdown current (SI off,
LED drivers off, SMPS off,
LDOs off)
Shutdown current (SI active,
LED drivers off, SMPS off,
LDOs on)
Quiescent current (LED
drivers off, boost section not
switching)
Operating current (serial
interface active, boost not
switching)
Standby current (DIN, DCLK
and LE to SGND, LED
drivers off, SMPS off, LREN
floating)
Overvoltage protection
reference threshold
OVP hysteresis
Parameter
LREN floating VSI and FOSC
GSSY and GSCK floating, LE
DCLK, LE, GSCK and GSSY
Doc ID 022698 Rev 1
LREN floating VSI to LDO3
toggling at 15 MHz, DOUT,
LREN floating; VSI, FOSC
and ISETL to LDO3; DIN,
FSW connected to LDO3
to LDO3, DIN and DCLK
to GND; V
LREN low, VSI low
to GND. V
V
R
R
MIN
R
R
R
I
V
I
V
SYNC
Conditions
SYNC
VSI = 3.3 V
VSI = 5.0 V
VMIN
CLIM
CLIM
ISETH
ISETH
MIN
MIN
DEN=0
tied to GND
to LDO3
=100 kΩ
=300 kΩ
=220 kΩ
floating
=-1 mA
=1 mA
=60 kΩ
=60 kΩ
CHx
CHx
=2 V;
=2 V,
V
-0.3 V
1.275
1.105
0.985
0.765
Min.
2.2
LDO3
25
Typ.
1.30
1.13
1.01
100
300
300
0.8
30
4
7
7
9
6
1.325
1.155
1.035
0.815
Max.
450
0.5
0.4
35
30
LED7708
Unit
mV
mA
mV
µA
µA
%
V
V
V