ISL9104A Intersil Corporation, ISL9104A Datasheet - Page 3

• Manufacturer Part Number: ISL9104A
• Description: 500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
VIN, EN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
SW to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V to 6.5V
FB to GND (for adjustable version) . . . . . . . . . . . . . . . -0.3V to 2.7V
FB to GND (for fixed output version) . . . . . . . . . . . . . . -0.3V to 3.6V
Recommended Operating Conditions
VIN Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . 2.7V to 6.0V
Load Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .up to 500mA
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.
NOTE:
Electrical Specifications
SUPPLY
Undervoltage Lockout Threshold (UVLO)
UVLO Hysteresis
Quiescent Supply Current (for ISL9104
adjustable output voltage only)
Quiescent Supply Current (for ISL9104A
adjustable output only)
Quiescent Supply Current (for ISL9104A 1.5V
fixed output)
Shut Down Supply Current
OUTPUT REGULATION
FB Voltage Accuracy (for adjustable output
only)
FB Voltage
FB Bias Current (for adjustable output only)
Output Voltage Accuracy (for fixed output
voltage only)
Line Regulation
Load Regulation
SW
P-Channel MOSFET ON-Resistance
N-Channel MOSFET ON-Resistance
N-Channel Bleeding MOSFET
ON-Resistance
P-Channel MOSFET Peak Current Limit
Maximum Duty Cycle
4. θ
www.DataSheet4U.com
Tech Brief TB379.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
PARAMETER
3
Unless otherwise noted, all parameter limits are guaranteed over the recommended operating conditions and
the typical specifications are measured at the following conditions: T
C
limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
1
= 4.7µF, C
SYMBOL
2
V
I
I
V
UVLO
VIN1
VIN2
I
= 4.7µF, I
I
I
SD
PK
FB
FB
ISL9104, ISL9104A
T
In skip mode, no load at the output, no switch,
V
In skip mode, no load at the output, no switch,
V
In skip mode, no load at the output,
V
V
T
VFB = 0.75V
PWM Mode
V
V
V
V
V
V
V
OUT
A
A
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= +25°C, Rising
= 0°C to +85°C
= 6.0V
= 6.0V
= 6.0V
= 6.0V, EN = LOW
= V
=3.6V, I
= 3.6V, I
= 2.7V, I
= 3.6V, I
= 2.7V, I
= 3.6V
= 0A (see “Typical Applications” on page 8). Parameters with MIN and/or MAX
O
+ 0.5V to 6V (minimal 2.7V)
O
TEST CONDITIONS
O
O
O
O
= 150mA to 500mA
= 200mA
= 200mA
= 200mA
= 200mA
Thermal Information
Thermal Resistance (Typical, Note 4)
Junction Temperature Range. . . . . . . . . . . . . . . . . .-40°C to +125°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below
1.6x1.6 µTDFN Package . . . . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
A
= +25°C, V
0.75
MIN
-2.5
50
-2
-3
-
-
-
-
-
-
-
-
-
-
-
IN
0.0009
TYP
0.05
0.45
0.55
1.00
150
100
100
2.5
0.8
0.2
0.4
0.5
= V
20
32
84
5
-
-
EN
= 3.6V, L = 1.0µH,
MAX
+2.5
0.72
0.52
0.65
1.25
100
2.7
0.6
34
45
+2
1
3
-
-
-
December 23, 2008
θ
JA
UNITS
%/mA
160
FN6829.0
(°C/W)
%/V
mV
µA
µA
µA
μA
nA
%
%
%
%
V
V
Ω
Ω
Ω
Ω
Ω
A