CAT3644HV3-GT2 ON Semiconductor, CAT3644HV3-GT2 Datasheet - Page 3

• Manufacturer Part Number: CAT3644HV3-GT2
• Description: IC LED DVR 4CH QUAD MODE 16TQFN
• Manufacturer: ON Semiconductor
• Series: QUAD-Mode®r
• Type: Backlight, White LEDr

Specifications of CAT3644HV3-GT2

• Topology: Linear (LDO), Switched Capacitor (Charge Pump)
• Number Of Outputs: 4
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 800kHz ~ 1.6MHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Voltage - Output: 7V
• Mounting Type: Surface Mount
• Package / Case: 16-TFQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 25mA
• Internal Switch(s): Yes
• Efficiency: 92%
• Number Of Digits: 4
• Low Level Output Current: 25 mA
• High Level Output Current: 100 mA
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Supply Current: 30 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 3. ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified otherwise) V
I
I
I
Symbol
R
LED−ACC
LED−DEV
I
I
SC_MAX
LED
V
IN_MAX
V
QSHDN
R
F
V
T
EN/DIM
V
T
T
RSET
V
UVLO
OSC
OUT
HYS
HYS
I
SD
DF
LO
Q
HI
TH
Quiescent Current
Shutdown Current
LED Current Accuracy
LED Channel Matching
RSET Regulated Voltage
Output Resistance (open loop)
Charge Pump Frequency
Output short circuit Current Limit
Input Current Limit
1x to 1.33x or 1.33x to 1.5x or 1.5x to 2x
Transition Thresholds at any LED pin
1x Mode Transition Hysteresis
Transition Filter Delay
EN/DIM Pin
Thermal Shutdown
Thermal Hysteresis
Undervoltage lockout (UVLO) threshold
− Internal Pull−down Resistor
− Logic High Level
− Logic Low Level
Name
http://onsemi.com
1x mode, no load
1.33x mode, no load
1.5x mode, no load
2x mode, no load
V
(I
RSET = 5 kW
(I
1x mode
1.33x mode, V
1.5x mode, V
2x mode, V
1.33x and 2x mode
1.5x mode
V
V
LEDAVG
LED
EN
OUT
OUT
= 0 V
− I
< 0.5 V
> 1 V
3
LEDAVG
– I
IN
Conditions
IN
NOMINAL
IN
= 3.6 V, EN = High, T
= 2.4 V
IN
) / I
= 2.7 V
= 3 V
LEDAVG
) / I
NOMINAL
AMB
= 25°C.
0.58
Min
0.8
1.3
1.6
1
±1.5
Typ
250
130
400
500
100
150
1.0
1.7
2.2
2.4
0.6
0.8
1.3
1.8
±2
10
50
20
5
5
1
Max
0.62
1.3
1.6
0.4
2.0
1
Units
MHz
mA
mA
mA
mV
mV
kW
mA
ms
°C
°C
%
%
W
V
V
V
V