CAT37TDI-GT3 CATALYST SEMICONDUCTOR, CAT37TDI-GT3 Datasheet - Page 3

• Manufacturer Part Number: CAT37TDI-GT3
• Description: LED DR, BOOST, 4 LED, SER
• Manufacturer: CATALYST SEMICONDUCTOR

Specifications of CAT37TDI-GT3

• Led Driver Application: Color LCD And Keypad Backlighting, Digital Cameras
• Topology: Boost
• No. Of Outputs: 1
• Input Voltage: 2.5V To 7V
• Dimming Control Type: PWM
• Operating Temperature Range: -40°C To +85°C

Table 4. ELECTRICAL OPERATING CHARACTERISTICS
(Over recommended operating conditions unless otherwise specified. T
Symbol
I
SHDN
I
V
f
SWL
I
DC
I
SW
I
SD
FB
Q
FB
Input Voltage Range
Quiescent Current
Shutdown Current
FB Pin Voltage
FB Pin Leakage Current
Shutdown High Threshold
Shutdown Low Threshold
Shutdown Pin Current
Boost Converter Frequency
Maximum Switch Duty Cycle
Switch Current Limit
Switch Saturation Voltage
Switch Leakage Current
Efficiency
Parameter
Figure 1 with specified components
http://onsemi.com
Switch Off, V
4 LEDs at 15 mA
I
V
SW
3
Conditions
V
SHDN
FB
= 300 mA
A
= 0.2 V
= 25°C, V
= 0 V
SW
= 5 V
IN
= 3 V and V
SHDN
0.85
Min
400
2.5
0.8
85
90
= 3 V.)
0.05
0.01
Typ
550
150
0.5
1.2
95
95
83
1
Max
0.25
105
780
200
0.7
1.6
7
1
2
1
5
Units
MHz
mA
mV
mA
mV
mA
mA
nA
mA
%
%
V
V
V