cat4106 ON Semiconductor, cat4106 Datasheet - Page 3

• Manufacturer Part Number: cat4106
• Description: 6w Quad Channel Dc/dc Led Driver With Diagnostics
• Manufacturer: ON Semiconductor

ELECTRICAL OPERATING CHARACTERISTICS
VIN = 5 V, VL (inductor drive voltage) = 12 V, T
specified otherwise)
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
Symbol
I
LED
I
OVP
I
V
DC
V
I
V
LED-OFF
DC
I
SWLEAK
V
ΔI
V
SWMAX
T
I
¯¯¯¯¯¯
FAULT
V
R
R
T
VFMAX
F
V
VFMIN
CTRL
I
V
V
UVLO
I
RSET
CTRL
HYS
I
SD
/I
FB
SW
SD
DO
LED
SW
Q
EN
FB
IH
IL
MAX
MIN
RSET
SW
VIN Operating Current
EN/PWM
Logic High Threshold
Logic Low Threshold
Internal Pull-Down Resistor
RSET regulation voltage
RSET to LED Current gain ratio
O/C Detect voltage threshold
S/C Detect voltage threshold
CTRL pin voltage accuracy
CTRL pin maximum load
Pull-down Drive Current
Open Drain Leakage Current
FB Pin control voltage
FB pin input leakage current
SW Pin
Switching Frequency
Switch Pin Current Limit
Switch Pin On-resistance
Maximum Duty Cycle
Minimum Duty Cycle
Switch Leakage Current
Over Voltage Protection Detect
Description
VIN input shutdown Current
Undervoltage lockout (UVLO)
Thermal Shutdown Threshold
Thermal Hysteresis
LED Channel Dropout Voltage
LED Channel Matching
LED Channel leakage
AMB
Conditions
Switching
Not Switching (I
Switching
Not Switching (I
V
Device Enable Level
Disable/PWM Level
VIN pin voltage
10 μA < I
30 mA LED current
I
0.5 V < V
Channel is Off
Offset to Lowest LED output
¯¯¯¯¯¯ is Active (0.1 V bias)
¯¯¯¯¯¯ is Inactive
Normal switching
mode regulation
I
Prior to Current Limiting
Prior to Pulse-Skipping
V
Enters Low Power mode
FAULT
FAULT
LED
SW
EN
SW
= 25°C (over recommended operating conditions unless
= 500 mA
= 175 mA
= 0V
= 20 V
RSET
3
LED
< 5 V
< 2 mA.
(I
(I
LED
LED
LED
LED
= 30 mA)
= 30 mA)
= 60 mA)
= 60 mA)
1.17
1.15
1.15
- 0.1
Min
100
285
0.4
0.7
0.8
25
-5
1
1.20
1.20
1.20
Typ
200
150
100
300
2.5
2.0
3.4
2.9
0.8
0.7
2.0
0.5
1.0
1.0
1.0
20
±1
96
40
0
2
5
Doc. No. MD-5037, Rev. A
+ 0.1
Max
1.23
1.25
1.25
300
315
3.5
3.0
4.4
3.9
1.3
1.3
+5
1
1
1
1
5
CAT4106
Units
MHz
mA
mA
mV
µA
kΩ
µA
µA
µA
µA
µA
°C
°C
%
%
%
Ω
V
V
V
V
V
V
V
V
A
V