CAT3604VHV4-GT2 CATALYST SEMICONDUCTOR, CAT3604VHV4-GT2 Datasheet - Page 4

• Manufacturer Part Number: CAT3604VHV4-GT2
• Description: IC, LED DRIVER, CHARGE PUMP, TQFN-16
• Manufacturer: CATALYST SEMICONDUCTOR

Specifications of CAT3604VHV4-GT2

• Led Driver Application: LCD Display Backlight, Digital Still Cameras
• No. Of Outputs: 4
• Output Current: 30mA
• Output Voltage: 7V
• Input Voltage: 2.5V To 5.5V
• Topology: Charge Pump
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LED Current Setting
connected between the RSET pin and ground. Table 5 lists
standard resistor values for several LED current settings.
Table 4. A.C. CHARACTERISTICS
(For 2.5 V ≤ VIN ≤ 5.5 V, over full ambient temperature range −40 to +85°C.)
Table 5. RESISTOR RSET AND LED CURRENT
T
The nominal LED current is set by the external resistor
T
T
Symbol
PWRDWN
LED−OFF
LED−ON
T
T
LED
MD
LED Current (mA)
10
15
20
25
30
2
5
LED current settling time from shutdown mode
Mode transition time
Device power down delay
LED on settling time
LED off settling time
Name
Figure 2. CAT3604V Timing Characteristics
RSET (kW)
40.0
15.8
7.87
5.23
4.02
3.16
2.67
http://onsemi.com
1x mode, V
1.33x mode, V
4
Conditions
IN
= 4 V
IN
= 3.5 V
Min
Typ
400
500
120
0.9
40
1
Max
1.5
Units
ms
ms
ms
ms
ns