STEVAL-ILL021V1 STMicroelectronics, STEVAL-ILL021V1 Datasheet - Page 8

• Manufacturer Part Number: STEVAL-ILL021V1
• Description: BOARD EVAL LCD BACKLIGHT LED7707
• Manufacturer: STMicroelectronics

Specifications of STEVAL-ILL021V1

• Design Resources: STEVAL-ILL021V1 Bill of Material STEVAL-ILL021V1 Schematic
• Current - Output / Channel: 85mA
• Outputs And Type: 6, Non-Isolated
• Voltage - Output: 36 V
• Features: Dimmable, Extra 5V Output
• Voltage - Input: 4.5 ~ 36 V
• Utilized Ic / Part: LED7707
• Description/function: LCD backlight demonstration board
• Operating Voltage: 4.5 V to 36 V
• Product: Display Modules
• Core Chip: LED7707
• No. Of Outputs: 1
• Output Voltage: 36V
• Dimming Control Type: PWM
• Mcu Supported Families: LED7707
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption
• For Use With/related Products: LED7707
• Other names: 497-10044

Electrical characteristics
4
Table 5.
8/47
Supply section
LDO linear regulator
Boost section
V
V
Symbol
I
UVLO,OFF
IN,SHDN
t
UVLO,ON
V
V
ON,min
V
I
V
AVCC
f
LDO5
IN,Q
SW
BST
IN
Input voltage range
Boost section output voltage
LDO output and IC supply
voltage
Operating quiescent current
Operating current in shutdown
LDO5 under voltage lock out
upper threshold
LDO5 under voltage lock out
lower threshold
Line regulation
LDO dropout voltage
LDO maximum output current
Minimum switching on-time
Default switching frequency
Minimum FSW sync frequency
FSW sync input low level
FSW sync input high level
FSW sync input hysteresis
FSW sync min ON time
SYNC output duty-cycle
SYNC output high level
SYNC output low level
Electrical characteristics
V
Electrical characteristics
a. Specification referred to T
IN
design, characterization and statistical correlation.
= 12 V; T
Parameter
J
= 25 °C and LDO5 connected to AVCC if not otherwise specified
J
from 0 °C to +85 °C. Specification over the 0 to +85 °C T
EN high
I
R
R
DIM tied to SGND.
EN low
6 V
I
V
V
FSW connected to AVCC
FSW connected to AVCC
(Internal oscillator selected)
I
I
LDO5
LDO5
SYNC
SYNC
LDO5
LDO5
RILIM
SLOPE
≤
= 0 mA
V
= 10 mA (-10 % drop)
= 10 μA
= -10 μA
> V
< V
= 51 kΩ, R
IN
= 680 kΩ
≤
UVLO,ON
UVLO,OFF
Test condition
36 V, I
BILIM
LDO5
= 220 kΩ,
= 30 mA
V
-20V
Min.
570
240
AVCC
4.5
4.4
3.5
25
J
Typ.
range are assured by
660
220
4.0
3.7
20
80
40
20
30
34
5
1
(a)
Max.
120
200
770
350
270
5.5
4.3
36
36
30
30
60
30
40
20
LED7707
Unit
kHz
mA
mV
mA
mV
mV
μA
ns
%
%
V
V
V
V