ISL85033IRTZ-T Intersil, ISL85033IRTZ-T Datasheet - Page 13

• Manufacturer Part Number: ISL85033IRTZ-T
• Description: IC REG BUCK ADJ DUAL 28TQFN
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of ISL85033IRTZ-T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 28 V
• Current - Output: 3A
• Frequency - Switching: 300kHz ~ 2MHz
• Voltage - Input: 4.5 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Typical Performance Curves
FIGURE 24. SOFT-START WITH NO LOAD CHANNEL 2
FIGURE 26. SOFT-START AT FULL LOAD CHANNEL 2
V
OUT2
FIGURE 22. LOAD TRANSIENT CHANNEL 2
RIPPLE 20mV/DIV
13
V
IL2 2A/DIV
V
OUT2
IL2 0.5A/DIV
OUT2
IL2 2A/DIV
PG2 5V/DIV
EN2 5V/DIV
PG2 5V/DIV
EN2 5V/DIV
2V/DIV
2V/DIV
ISL85033
ISL85033
Circuit of Figure 2. V
I
values are at T
OUT2
= 3A, T
FIGURE 27. SOFT-DISCHARGE SHUTDOWN CHANNEL 1
FIGURE 23. SOFT-START WITH NO LOAD CHANNEL 1
FIGURE 25. SOFT-START AT FULL LOAD CHANNEL 1
A
A
= -40°C to +85°C, unless otherwise noted. Typical
= +25°C. (Continued)
IN
= 12V, V
OUT1
= 5V, V
OUT2
= 3.3V, I
V
V
V
OUT1
IL1 0.5A/DIV
IL1 0.5A/DIV
OUT1
IL1 2A/DIV
OUT1
PG1 5V/DIV
EN1 5V/DIV
PG1 5V/DIV
EN1 5V/DIV
EN1 5V/DIV
PG 5V/DIV
December 8, 2010
2V/DIV
OUT1
2V/DIV
1V/DIV
FN6676.2
= 3A,