ISL9105IRZ-T Intersil, ISL9105IRZ-T Datasheet - Page 2

• Manufacturer Part Number: ISL9105IRZ-T
• Description: IC REG SYNC BUCK 600MA 8-DFN
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of ISL9105IRZ-T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 5.5 V
• Current - Output: 600mA
• Frequency - Switching: 1.6MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: ISL9105IRZ-T

Absolute Maximum Ratings (Reference to GND)
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
EN, RSI, MODE, POR . . . . . . . . . . . . . . . . . . . . . -0.3V to VIN+0.3V
PHASE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V to 6.5V
FB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.7V
Recommended Operating Conditions
VIN Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Load Current Range . . . . . . . . . . . . . . . . . . . . . . . . . 0mA to 600mA
Ambient Temperature Range . . . . . . . . . . . . . . . . . . .-40°C to +85°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
Electrical Specifications
SUPPLY
VIN Undervoltage Lockout Threshold
Quiescent Supply Current
Shutdown Supply Current
OUTPUT REGULATION
FB Regulation Voltage
FB Bias Current
Output Voltage Accuracy
Line Regulation
Maximum Output Current
COMPENSATION
Error Amplifier Trans-Conductance
PHASE
P-Channel MOSFET ON-resistance
N-Channel MOSFET ON-resistance
P-Channel MOSFET Peak Current Limit
PHASE Maximum Duty Cycle
PWM Switching Frequency
PHASE Minimum ON-time
Soft-Start-Up Time
1. θ
2. θ
3. Parts are 100% tested at +25°C. Temperature limits established by characterization and are not production tested.
Tech Brief TB379.
JA
JC
, “case temperature” location is at the center of the exposed metal pad on the package underside. See Tech Brief TB379.
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
PARAMETER
2
Unless otherwise noted, all parameter limits are guaranteed over the recommended operating conditions and the
typical specifications are measured at the following conditions: T
0V, L = 3.3µH, C1 = 10µF, C2 = 10µF, I
SYMBOL
V
V
UVLO
I
I
I
I
VIN
SD
PK
FB
f
FB
S
Rising
Falling
MODE = V
MODE = GND, no load at the output
V
T
T
FB = 0.75V
V
V
Design info only
V
V
MODE = low (forced PWM mode)
A
A
IN
IN
IN
IN
IN
= 0°C to +85°C
= -40°C to +85°C
= 5.5V, EN = low
= V
= V
= 3.6V, I
= 3.6V, I
ISL9105
O
O
+ 0.5V to 5.5V, I
+ 0.5V to 5.5V (minimal 2.7V)
IN
TEST CONDITIONS
O
O
, no load at the output
OUT
= 200mA
= 200mA
= 0A (see “TYPICAL APPLICATION DIAGRAM” on page 6).
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θ
Junction Temperature Range. . . . . . . . . . . . . . . . . .-55°C to +125°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
2x3 DFN Package . . . . . . . . . . . . . .
O
= 0mA to 600mA
A
= +25°C, V
(Note 3)
0.784
0.78
0.75
MIN
600
2.2
1.2
IN
-3
-
-
-
-
-
-
-
-
-
-
-
-
= 3.6V, EN = V
TYP
0.16
0.14
100
2.5
2.4
0.1
0.8
0.8
0.1
0.2
1.0
1.6
1.1
25
20
5
-
-
-
JA
(°C/W)
75
IN
(Note 3)
0.816
MAX
, RSI = MODE =
0.82
0.22
0.22
140
2.7
1.3
1.8
50
8
2
3
-
-
-
-
-
-
-
March 28, 2008
θ
JC
UNITS
µA/V
FN6415.2
MHz
(°C/W)
%/V
mA
mA
ms
6
µA
µA
µA
ns
%
%
V
V
V
Ω
Ω
A
V