ISL85033IRTZ-T Intersil, ISL85033IRTZ-T Datasheet - Page 11

• 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 10. V
FIGURE 12. OUTPUT VOLTAGE REGULATION vs V
FIGURE 14. OUTPUT VOLTAGE REGULATION vs V
3.340
3.335
3.330
3.325
3.320
3.315
3.310
5.04
5.03
5.02
5.01
5.00
4.99
4.98
5.04
5.03
5.02
5.01
5.00
4.99
4.98
0
0
0
SHARING, T
F
CHANNEL 1, T
F
CHANNEL 2, T
F
SW
SW
SW
OUT
5
5
1
28V
= 500kHz
= 500kHz
= 500kHz
REGULATION vs LOAD, CURRENT
IN
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
10
OUTPUT LOAD (A)
10
2
0A
A
11
9V
= +25°C, 5V
A
A
IN
= +25°C, 5V
= +25°C, 3.3V
2A
15
15
3
3A
12V
3A
20
20
4
2A
IN
OUT
OUT
,
OUT
0A
25
25
,
5
,
IN
IN
ISL85033
ISL85033
,
,
Circuit of Figure 2. V
I
values are at T
30
30
6
OUT2
= 3A, T
FIGURE 11. V
FIGURE 13. OUTPUT VOLTAGE REGULATION vs V
FIGURE 15. STEADY STATE OPERATION AT NO LOAD
3.329
3.328
3.326
3.325
3.323
3.322
3.320
V
A
5.02
5.01
5.00
4.99
4.98
4.97
4.96
IL1 0.1A/DIV
LX1 5V/DIV
A
OUT1
= -40°C to +85°C, unless otherwise noted. Typical
= +25°C. (Continued)
0
0
RIPPLE 20mV/DIV
IN
T
CURRENT SHARING, T
F
CHANNEL 1
= 12V, V
A
SW
28V
OUT
0.5
= +25°C, 3.3V
5
= 500kHz
IN
REGULATION vs LOAD, CHANNEL 2,
OUT1
INPUT VOLTAGE (V)
0A
12V
1.0
OUTPUT LOAD (A)
10
= 5V, V
IN
4A
1.5
OUT
15
OUT2
6A
, F
18V
A
SW
= +25°C, 5V
2.0
IN
= 3.3V, I
20
= 500kHz
December 8, 2010
2.5
25
OUT1
OUT
IN
FN6676.2
= 3A,
,
3.0
30
,