ISL80101AIRAJZ Intersil, ISL80101AIRAJZ Datasheet - Page 10

• Manufacturer Part Number: ISL80101AIRAJZ
• Description: IC REG LDO ADJ 1A 10DFN
• Manufacturer: Intersil

Specifications of ISL80101AIRAJZ

• Regulator Topology: Positive Adjustable
• Voltage - Output: 0.8 V ~ 5 V
• Voltage - Input: 2.2 V ~ 6 V
• Voltage - Dropout (typical): 0.09V @ 1A
• Number Of Regulators: 1
• Current - Output: 1A (Max)
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-VFDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -

Revision History
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to web to make
sure you have the latest revision.
11/29/10
12/6/10
2/2/11
DATE
FN7712.2
FN7712.1
FN7712.0
REVISION
10
1. On page 1, “Features”
2. Figure 1 on page 1
3. On page 3, Pin Number 8
4. On page 4, “Electrical Specifications”
5. On page 5, “Electrical Specifications”
7. On page 7, “Programmable Current Limit”
8. Added "The current limit can be decreased from the 0.75A default…" changed to "The current limit can be
9. On page 7, beginning of last paragraph
10. “External Capacitor Requirements” on page 8:
11. On page 4, “Electrical Specifications”, “DC CHARACTERISTICS”, “Output Current Limit”
12. On page 4, “Electrical Specifications”, “AC CHARACTERISTICS”, “Input Supply Ripple Rejection”
13. On page 8, revised Figure 12. Updated same graphic on page 1
14. Throughout: All "VIN" changed to "V
15. Throughout: All "VOUT" changed to "V
16. Throughout: All "RSET" changed to "R
17. Throughout: All "ISET" changed to "I
18. Throughout: All "EN" and "enable" changed to "ENABLE"
19. Throughout: All "PGOOD" changed to "PG"
20. “Block Diagram” on page 2, subscripted pin names for V
21. On page 3, EPAD Description
22. On page 1, in paragraph 2, "The programmable current limiting improves system reliability of applications"
changed to "The programmable current limiting improves system reliability of end applications."
23. On page 1, “Features”, "Programmable Soft-starting" changed to "Programmable Soft-Start"
24. On page 4, “Electrical Specifications”, “DC CHARACTERISTICS”, "DC Output Voltage Accuracy" changed to
“DC ADJ Pin Voltage Accuracy”
25. On page 5, Notes 10 and 11 deleted (they were not referenced in the spec table).
26. “Output Voltage Selection” on page 8, "An external resistor divider, R2 and R3, is used to set the output
voltage as shown in Equation 5. The recommended value for R3 is 500Ω to 1kΩ. R2 is then chosen according
to Equation 6." changed to "An external resistor divider, R2 and R3, is used to set the output voltage as shown
in Equations 5 and 6. Please see Table 2 on page 9 for recommended values of R2 and R3."
29. Added “General PowerPAD Design Considerations” on page 9
30. Revised Figure 8
Modified “Block Diagram” on page 2.
In “Ground Pin Current” on page 4 Test Conditions:
-Changed 1st line from "V
-Changed 2nd line from "V
Figure 2 “DROPOUT vs LOAD” on page 6:
-Switched colors on 25°C and 125°C.
Initial Release
a."±1.8% Vout Accuracy Guaranteed…" changed to "±2% Vadj Accuracy Guaranteed…"
a."Typical Applications" changed to "Typical Application"
b."82pF" for Cpb changed to "100pF"
a. On "Description" of ISET, change 2nd sentence from "Current limit is 0.75mA when…" to "Current limit is
1.62A when…"
a."DC Input Line Regulation" given own line, added symbol, and changed test conditions
b. “Feedback Input Current”, added typical "0.01" and max "1" with units "µA"
a. “PG PIN CHARACTERISTICS” “VOUT PG Flag Threshold”, Typical "85" changed to "84" %Vout
a. Equation 1 changed to "Ilimit=1.62+…"
b. Equation 2 changed to "Ilimit=1.62-…"
decreased from the 1.62A default…" on page 7, between Equation 1 and Equation 2
a. "Figure 11 shows the relationship…" changed to "Figure 12 shows the relationship…"
a. "The ISL80121-5 applies…" changed to "The ISL80101A applies…
a. "VOUT = 2V, VIN = 5.5V, RSET = 25.5k " changed to ""VOUT = 2V, VIN = 5.0V, RSET = 25.5k "
a. "58db" typical changed to "48"
b. "62dB" typical changed to "48"
a. "directly to GND plane is optional." Changed to "directly to GND plane is required for thermal
considerations. See “Power Dissipation and Thermals” on page 9 for more details."
ISL80101A
OUT
OUT
+ 0.4V < V
+ 0.4V < V
IN
SET
IN
IN
OUT
"
SET
"
< 5V, VSENSE = 0V" to "I
< 6V, VSENSE = 0V" to "I
"
"
CHANGE
IN
, V
OUT
LOAD
, I
LOAD
SET
. Changed PGOOD to PG
= 0A, 2.2V < V
= 1A, 2.2V < V
IN
IN
<6V"
<6V"
February 24, 2011
FN7712.2