CAT4106HV4-GT2 Datasheet, PDF (3/17 Pages) ON Semiconductor – 6W Quad Channel DC/DC LED Driver with Diagnostics

CAT4106
ELECTRICAL OPERATING CHARACTERISTICS
VIN = 5 V, VL (inductor drive voltage) = 12 V, T_AMB = 25°C (over recommended operating conditions unless
specified otherwise)
Symbol
I_Q
I_SD
V_IH
V_IL
R_EN
V_UVLO
T_SD
T_HYS
V_RSET
I_LED/I_RSET
V_DO
ΔI_LED
I_LED-OFF
V_VFMAX
V_VFMIN
V_CTRL
I_CTRL
I¯F¯A¯U¯L¯T¯
V_FB
I_FB
F_SW
I_SWMAX
R_SW
DC_MAX
DC_MIN
I_SWLEAK
OVP_SW
Description
Conditions
VIN Operating Current
VIN input shutdown Current
EN/PWM
Logic High Threshold
Logic Low Threshold
Internal Pull-Down Resistor
Switching (I_LED = 30 mA)
Not Switching (I_LED = 30 mA)
Switching (I_LED = 60 mA)
Not Switching (I_LED = 60 mA)
V_EN = 0V
Device Enable Level
Disable/PWM Level
Undervoltage lockout (UVLO) VIN pin voltage
Thermal Shutdown Threshold
Thermal Hysteresis
RSET regulation voltage
10 μA < I_RSET < 2 mA.
RSET to LED Current gain ratio 30 mA LED current
LED Channel Dropout Voltage
LED Channel Matching
LED Channel leakage
I_LED = 175 mA
0.5 V < V_LED < 5 V
Channel is Off
O/C Detect voltage threshold
S/C Detect voltage threshold
CTRL pin voltage accuracy
CTRL pin maximum load
Offset to Lowest LED output
Pull-down Drive Current
Open Drain Leakage Current
¯F¯A¯U¯L¯T¯ _{is Active (0.1 V bias)}
¯F¯A¯U¯L¯T¯ _{is Inactive}
FB Pin control voltage
FB pin input leakage current
Normal switching
mode regulation
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
I_SW = 500 mA
Prior to Current Limiting
Prior to Pulse-Skipping
V_SW = 20 V
Enters Low Power mode
Min Typ Max Units
2.5 3.5
2.0 3.0
3.4 4.4
mA
2.9 3.9
1
µA
0.8 1.3
V
0.4 0.7
V
100 200 300 kΩ
2.0
V
150
°C
20
°C
1.17 1.20 1.23
V
100
0.5
V
-5
±1
+5
%
1
µA
1.15 1.20 1.25
V
1.15 1.20 1.25
V
- 0.1 0 + 0.1 V
25
µA
1
2
mA
1
µA
285 300 315 mV
1
µA
0.7 1.0 1.3 MHz
0.8 1.0
A
1.0
Ω
96
%
5
%
5
µA
40
V
© 2009 SCILLC. All rights reserved.
3
Characteristics subject to change without notice
Doc. No. MD-5037, Rev. A