LED7708 STMicroelectronics, LED7708 Datasheet - Page 16

• 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.
1. Channel current accuracy is calculated as:
where X, Y=1..16, X≠Y.
16/53
Fault management
Dimming oscillator
Thermal flag and protection
F
V
V
V
Symbol
GSCK,OSC
CHx,FLT1
CHx,FLT2
CHx,FLT3
K
T
T
OSC
OTA
OTP
Electrical characteristics (continued)
LED short-circuit detection
threshold
XFLT output low level
Internal dimming oscillator
constant
Internal dimming oscillator
frequency
Overtemperature alert
threshold
Overtemperature alert
hysteresis
Overtemperature protection
threshold
Parameter
Δ
I
Δ
CHX
I
CHY
=
Doc ID 022698 Rev 1
=
max
max
(
------------------------------------------------
I
R
XFLT, SINK
R
I
R
(
--------------------------------------
CHX
FOSC
Conditions
FOSC
FOSC
I
DTS0=1&
DTS0=0&
DTS0=1&
CHX
DTS1=0
DTS1=1
DTS1=1
I
I
TARGET
TARGET
–
=33.2 kΩ
=100 kΩ
=16 kΩ
I
–
TARGET
=4 mA
I
CHY
)
•
)
100
•
100
x10
Min.
3.86
3.0
6.2
7.7
11
4 x10
Typ.
200
125
155
3.2
6.4
8.0
25
20
4
11
x10
Max.
4.14
220
3.4
6.6
8.3
11
LED7708
Hz•Ω
MHz
Unit
mV
°C
V