ISL62872 Intersil Corporation, ISL62872 Datasheet - Page 7

• Manufacturer Part Number: ISL62872
• Description: PWM DC/DC Controller
• Manufacturer: Intersil Corporation

Electrical Specifications
Absolute Maximum Ratings
VCC, PVCC, PGOOD to GND . . . . . . . . . . . . . . . . . . -0.3V to +7.0V
VCC, PVCC to PGND . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V
GND to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
EN, SET0, SET1, SET2, VO,
VID0, VID1, FB, OCSET, SREF. . . . . . . -0.3V to GND, VCC + 0.3V
BOOT Voltage (V
BOOT To PHASE Voltage (V
PHASE Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 28V
UGATE Voltage . . . . . . . . . . . . . . . . V
LGATE Voltage . . . . . . . . . . . . . . . GND - 0.3V (DC) to VCC + 0.3V
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:
VCC and PVCC
VCC Input Bias Current
VCC Shutdown Current
PVCC Shutdown Current
VCC POR THRESHOLD
Rising VCC POR Threshold Voltage
Falling VCC POR Threshold Voltage
REGULATION
Reference Voltage
System Accuracy
PWM
Switching Frequency
VO
VO Input Voltage Range
VO Input Impedance
VO Reference Offset Current
VO Input Leakage Current
ERROR AMPLIFIER
FB Input Bias Current
SREF
SREF Operating Voltage Range
Soft-Start Current
Voltage Step Current
1. θ
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
GND - 2.5V (<20ns Pulse Width, 5µJ) to VCC + 0.3V
V
BOOT-GND
PHASE
- 5V (<20ns Pulse Width, 10µJ) to V
). . . . . . . . . . . . . . . . . . . . . -0.3V to 33V
BOOT-PHASE
GND -8V (<20ns Pulse Width, 10µJ)
7
These specifications apply for T
All typical specifications T
+25°C, unless otherwise specified. Temperature limits established by characterization and are not production
tested.
PHASE
) . . . . . . -0.3V to 7V (DC)
V
V
SYMBOL
V
I
VCC_THR
VCC_THF
I
PVCCoff
V
I
VCCoff
REF(int)
- 0.3V (DC) to V
I
I
VOSS
F
V
R
VOoff
SREF
VCC
I
I
I
SW
FB
SS
VS
VO
-0.3V to 9V (<10ns)
VO
EN = 5V, VCC = 5V, FB = 0.55V, SREF<FB
EN = GND, VCC = 5V
EN = GND, PVCC = 5V
VID0 = VID1 = GND, PWM Mode = CCM
PWM Mode = CCM
EN = 5V
V
EN = GND, VO = 3.6V
EN = 5V, FB = 0.50V
Nominal SREF Setting With 1% Resistors
SREF = Soft-Start Mode
SREF = Setpoint-Stepping Mode
ISL62871, ISL62872
ENTHR
A
BOOT
BOOT
= +25°C, VCC = 5V. Parameters with MIN and/or MAX limits are 100% tested at
< EN, SREF = Soft-Start Mode
A
= -10°C to +100°C, unless otherwise stated.
TEST CONDITIONS
Thermal Information
Thermal Resistance (Typical, Note 1)
Junction Temperature Range. . . . . . . . . . . . . . . . . .-55°C to +150°C
Operating Temperature Range . . . . . . . . . . . . . . . .-10°C to +100°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below
Recommended Operating Conditions
Ambient Temperature Range. . . . . . . . . . . . . . . . . .-10°C to +100°C
Converter Input Voltage to GND . . . . . . . . . . . . . . . . . . 3.3V to 25V
VCC, PVCC to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±5%
20 Ld µTQFN Package . . . . . . . . . . . . . . . . . . . . . .
16 Ld µTQFN Package . . . . . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
-0.75
MIN
4.40
4.10
270
±60
-20
0.5
10
0
-
-
-
-
-
-
-
www.DataSheet4U.com
±100
TYP
4.49
4.22
0.50
300
600
1.1
0.1
0.1
10
20
.1
-
-
-
-
+0.75
MAX
±140
4.60
4.35
330
+50
1.5
1.0
1.0
3.6
1.5
30
-
-
-
-
August 14, 2008
θ
JA
FN6707.0
(°C/W)
84
84
UNIT
kHz
mA
µA
µA
kΩ
µA
µA
nA
µA
µA
%
V
V
V
V
V