isl8501 Intersil Corporation, isl8501 Datasheet - Page 5

• Manufacturer Part Number: isl8501
• Description: Triple Output Controller With 1a Standard Buck Pwm And Dual Ldos
• Manufacturer: Intersil Corporation

Electrical Specifications
Absolute Maximum Ratings
VIN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +26V
VIN_LDOx to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
BOOT to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V
PHASE to BOOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -6V to +0.3V
VCC to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
VOUT, LDO1, LDO2 to GND . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
FB_PWM, FB_LDOx to GND. . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
PG_PWM, PG_LDOx to GND . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
EN, EN_LDOx to GND. . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
CC1, CC2 to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
VCC Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
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.
*An accidental short between VCC and GND may cause excessive heating and permanent damage to the device.
NOTES:
SUPPLY VOLTAGE
VIN Voltage Range
VIN_LDOx Voltage Range
VIN Operating Supply Current
VIN Shutdown Supply Current
POWER-ON RESET
VCC POR Threshold
VIN_LDOx POR Threshold
INTERNAL VCC LDO
VCC Output Voltage Range
REFERENCE
Reference Voltage
STANDARD BUCK PWM REGULATOR
FB_PWM Line Regulation
FB_PWM Leakage Current
OSCILLATOR AND PWM MODULATOR
Nominal Switching Frequency
Modulator Gain
Peak-to-Peak Sawtooth Amplitude
PWM Ramp Offset Voltage
Maximum Duty Cycle
ERROR AMPLIFIER
Open-Loop Gain
Gain Bandwidth Product
Slew Rate
1. θ
2. For θ
Tech Brief TB379 for details.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
JC
, the “case temp” location is the center of the exposed metal pad on the package underside. See Tech Brief TB379 for details.
PARAMETER
5
Unless Otherwise Noted, All Parameter Limits are Guaranteed Over the Recommended Operating Conditions
and the Typical Specifications are Measured at the Following Conditions: T
V
IN
(Note 1)
= 6V to 25V, Unless Otherwise Noted. Typical Values are at T
SYMBOL
V
DC
V
GBWP
OFFSET
A
V
RAMP
VIN
f
I
I
MOD
SR
SW
OP
SD
FB
MAX
VIN connected to VCC
(Note 6)
(Note 3)
EN = EN_LDOx = GND
Rising Edge
Hysteresis
Rising Edge
Hysteresis
VIN = 6V to 25V, I
VIN = 6V to 25V, I
IOUT = 0mA, VIN = 6V to 25V
VFB = 0.6V
T
VIN = 12V (AMOD = 10/VIN)
VIN = 12V (VPP = VIN/10)
COMP >4V
COMP = 10pF
A
= -40°C to +85°C, VCC = 5V
ISL8501
TEST CONDITIONS
VCC
REF
Thermal Information
Thermal Resistance
Maximum Junction Temperature (Plastic Package) . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Junction Temperature Range. . . . . . . . . . . . . . . . . .-55°C to +150°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Operating Temperature Range . . . . . . . . . . . . . . . . .-40°C to +85°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
= 0
= 0mA to 50mA
QFN Package (Notes 1, 2). . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
A
= +25°C.
A
= -40°C To +85°C (Note 7),
0.590
4.25
0.73
0.70
MIN
-0.5
450
4.5
1.8
4.5
80
6
0
θ
TYP
4.40
5.00
0.86
JA
260
200
500
5.0
2.5
1.2
0.6
1.2
0.8
70
50
83
88
15
5
(°C/W)
36
0.609
MAX
4.50
0.99
0.91
100
100
550
5.5
4.6
3.5
5.5
0.5
25
θ
July 12, 2007
JC
FN6500.1
UNITS
(°C/W)
5
MHz
V/μs
kHz
V/V
mA
mV
mV
μA
nA
dB
%
%
V
V
V
V
V
V
V
V
V