ISL9187 Intersil Corporation, ISL9187 Datasheet - Page 2

• Manufacturer Part Number: ISL9187
• Description: (ISL9107 / ISL9108) 1.5A 1.6MHz Low Quiescent Current High Efficiency Synchronous Buck Regulator
• Manufacturer: Intersil Corporation

www.DataSheet4U.com
Electrical Specifications
Absolute Maximum Ratings
VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
EN, MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VIN + 0.3V
PG, RSI (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VIN + 0.3V
SW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0A to 1.5A
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:
SUPPLY
Undervoltage Lockout Threshold
Quiescent Supply Current
Shut Down Supply Current
OUTPUT REGULATION
FB Regulation Voltage
FB Bias Current
Line Regulation
COMPENSATION
Error Amplifier Trans-conductance
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
PWM Switching Frequency
SW Minimum On-Time
Soft Start-Up Time
1. For ISL9107 only.
2. θ
3. θ
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
C
1
(Reference to GND)
= 10µF, C
2
SYMBOL
V
= 10µF, I
UVLO
I
V
I
I
I
VIN
SD
FB
PK
f
FB
S
OUT
ISL9107, ISL9108
Rising
Falling
MODE = V
MODE = GND, no load at the output
V
T
T
VFB = 0.75V
V
Design info only
V
V
V
V
V
T
MODE = LOW (forced PWM mode)
A
A
A
IN
IN
IN
IN
IN
IN
IN
= 0°C to +85°C
= -40°C to +85°C
= -40°C to +85°C
= 0A (see the Typical Application Circuit on page 7).
= 5.5V, EN = LOW
= V
= 3.6V, I
= 2.7V, I
= 3.6V, I
= 2.7V, I
= 5.5V
O
+ 0.5V to 5.5V (minimal 2.7V)
IN
TEST CONDITIONS
O
O
O
O
, no load at the output
= 200mA
= 200mA
= 200mA
= 200mA
Thermal Information
Thermal Resistance (Notes 2, 3)
Junction Temperature Range. . . . . . . . . . . . . . . . . .-40°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 . . . . . . . . . . . . . .
A
= +25°C, V
0.784
0.78
1.35
MIN
2.2
1.8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
IN
TYP
0.05
0.12
0.16
0.15
0.11
= V
100
2.5
2.4
0.8
0.8
0.1
0.2
2.1
1.6
1.1
17
20
90
5
-
θ
JA
EN
(°C/W)
78
= 3.6V, L = 2.2µH,
0.816
MAX
0.82
0.22
0.27
0.22
0.27
1.75
100
2.7
2.6
30
8
2
-
-
-
-
-
-
-
December 21, 2007
θ
JC
UNITS
FN6612.0
µA/V
(°C/W)
11
MHz
%/V
mA
ms
µA
μA
µA
ns
%
Ω
Ω
Ω
Ω
Ω
V
V
V
V
A