isl97636 Intersil Corporation, isl97636 Datasheet - Page 5

• Manufacturer Part Number: isl97636
• Description: 8-channel Led Driver
• Manufacturer: Intersil Corporation

Electrical Specifications
Eff_peak
ΔI
Dmax
Dmin
f
ILX_leakage
REFERENCE
Imatch
I
FAULT DETECTION
VSC
Vtemp_acc
VOVPlo
OVPhys
OVPfault
CURRENT SOURCES
V
V
ILEDmax
FAULT PIN
Ifault
Vfault
IlxStartup
S
ACC
headroom
RSET
OUT
PARAMETER
/ΔV
IN
Peak Efficiency
Line Regulation
Boost Minimum Duty Cycle
Switching Frequency
Channel-to-Channel Current Matching
Current Accuracy
Short Circuit Threshold
Over-Temperature Threshold Accuracy
Overvoltage Limit on OVP Pin
OVP Hysteresis
OVP Short Detection Fault Level
Dominant Channel Current Source
Headroom at IIN Pin
Voltage at RSET Pin
Maximum LED Current Per Channel
Fault Pull-down Current
FAULT Clamp Voltage with Respect to V
Boost Maximum Duty Cycle
LX Leakage Current
LX Start-up Current
5
DESCRIPTION
All specifications below are tested at T
with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits
established by characterization and are not production tested. (Continued)
IN
VIN = 18V, 72 LEDs,
20mA each, L = 8.2µH
with DCR 106mΩ,
T
VIN = 12V, 72 LEDs,
20mA each, L = 8.2µH
with DCR 106mΩ,
T
VIN = 6V, 72 LEDs,
20mA each, L = 8.2µH
with DCR 106mΩ,
T
VLX = 36V, EN = 0
I
PWM Dimming = 100%
I
T
R
R
V
V
VDC = 5.2V
OUT
LED
A
A
A
A
IN
IN
SET
SET
ISL97636
= +25°C
= +25°C
= +25°C
= +25
= 12V
= 12, V
= 20mA
= 30mA
CONDITION
= 36.6kΩ
= 20.9kΩ
°
C
A
IN
= -40°C to +85°C; V
- Vfault
MIN
1.17
-3.5
680
1.0
7.8
82
10
1
IN
= 12V, EN = 5V, R
TYP
300
100
700
0.1
1.2
1.2
7.5
2.7
91
90
86
±1
±3
20
35
18
7
8
5
SET
= 36.6kΩ; Parameters
MAX
+3.5
1.23
720
1.3
8.8
10
30
7
May 9, 2008
UNIT
MHz
mV
mV
mV
mV
mA
mA
µA
°
µA
FN6570.0
%
%
%
%
%
%
%
%
V
V
V
C