ISL85033IRTZ-T7A Intersil, ISL85033IRTZ-T7A Datasheet - Page 10
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ISL85033IRTZ-T7A
Manufacturer Part Number
ISL85033IRTZ-T7A
Description
IC REG BUCK ADJ DUAL 28TQFN
Manufacturer
Intersil
Type
Step-Down (Buck)r
Datasheet
1.ISL85033IRTZ.pdf
(25 pages)
Specifications of ISL85033IRTZ-T7A
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
2
Voltage - Output
0.8 V ~ 28 V
Current - Output
3A
Frequency - Switching
300kHz ~ 2MHz
Voltage - Input
4.5 V ~ 28 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-WFQFN Exposed Pad
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ISL85033IRTZ-T7ATR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ISL85033IRTZ-T7A
Manufacturer:
Intersil
Quantity:
119
Typical Performance Curves
FIGURE 4. EFFICIENCY vs LOAD, T
FIGURE 6. EFFICIENCY vs LOAD, T
FIGURE 8. POWER DISSIPATION vs LOAD,
100
100
4.8
4.0
3.2
2.4
1.6
0.8
0.0
90
80
70
60
50
40
90
80
70
60
50
40
0.0
0
0
1.8V
9V
OUT
V
CURRENT SHARING 5V
T
F
0.5
SW
A
IN
IN
1
1
= +85°C, CURRENT SHARING 5V
3.3V
300kHz
= 28V
= 500kHz
12V
OUT
1.0
OUTPUT LOAD (A)
OUTPUT LOAD (A)
OUTPUT LOAD (A)
2
2
IN
5V
500kHz
OUT
10
28V
1.5
3
500kHz
3
IN
28V
9V
IN
OUT
OUT
2.0
A
A
4
4
1MHz
= +25°C,
= +25°C,
12V
9V
, F
IN
SW
OUT
2.5
5
5
12V
= 500kHz
1MHz
OUT
IN
3.0
ISL85033
ISL85033
6
6
Circuit of Figure 2. V
I
values are at T
,
OUT2
= 3A, T
FIGURE 5. EFFICIENCY vs LOAD, T
FIGURE 7. POWER DISSIPATION vs LOAD,
FIGURE 9. V
5.04
5.03
5.02
5.01
5.00
4.99
4.98
100
A
4.2
3.5
2.8
2.1
1.4
0.7
0.0
A
90
80
70
60
50
40
= -40°C to +85°C, unless otherwise noted. Typical
0
= +25°C.
0.0
0
IN
F
T
F
T
= 12V, V
SW
A
SW
0.5
A
0.5
OUT
1
= +25°C, CURRENT SHARING 5V
= +25°C, 5V
28V
= 500kHz
= 500kHz, V
REGULATION vs LOAD, CHANNEL 1,
IN
3.3V
OUT1
1.0
1.0
OUTPUT LOAD (A)
OUTPUT LOAD (A)
OUTPUT LOAD (A)
2
OUT
= 5V, V
9V
OUT
1.5
1.5
IN
3
IN
5V
28V
, F
OUT2
= 12V
OUT
SW
IN
12V
A
2.0
2.0
4
= 3.3V, I
= +25°C,
= 500kHz
9V
IN
IN
2.5
December 8, 2010
2.5
5
12V
OUT1
OUT
IN
FN6676.2
= 3A,
3.0
3.0
6
,