ISL6255A Intersil Corporation, ISL6255A Datasheet - Page 4

• Manufacturer Part Number: ISL6255A
• Description: Highly Integrated Battery Charger With Automatic Power Source Selector For Notebook Computers
• Manufacturer: Intersil Corporation

Electrical Specifications
DCSET Input Bias Current Hysteresis
DCSET Input Bias Current
DCSET Input Bias Current
OSCILLATOR
Frequency
PWM Ramp Voltage (peak-peak)
SYNCHRONOUS BUCK REGULATOR
Maximum Duty Cycle
UGATE Pull-Up Resistance
UGATE Source Current
UGATE Pull-down Resistance
UGATE Sink Current
LGATE Pull-Up Resistance
LGATE Source Current
LGATE Pull-Down Resistance
LGATE Sink Current
CHARGING CURRENT SENSING AMPLIFIER
Input Common-Mode Range
Input Offset Voltage
Input Bias Current at CSOP
Input Bias Current at CSON
CHLIM Input Voltage Range
CSOP to CSON Full-Scale Current Sense
Voltage
CHLIM Input Bias Current
CHLIM Power-Down Mode Threshold
Voltage
CHLIM Power-Down Mode Hysteresis
Voltage
ADAPTER CURRENT SENSING AMPLIFIER
Input Common-Mode Range
Input Offset Voltage
Input Bias Current at CSIP and CSIN
Combined
Input Bias Current at CSIN
PARAMETER
4
DCIN = CSIP = CSIN = 18V, CSOP = CSON = 12V, ACSET = DCSET = 1.5V, ACLIM = VREF,
VADJ = Floating, EN = VDD = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V, C
T
A
= -10°C to +100°C, T
DCSET ≥ 1.26V
DCSET < 1.26V
CSIP = 18V
CSIP = 11V
BOOT-PHASE = 5V, 500mA sink current
VDDP-PGND = 5V, 500mA source current
VDDP-PGND = 5V, VDDP-LGATE = 2.5V
VDDP-PGND = 5V, 500mA sink current
ISL6255: CHLIM = 3.3V
ISL6255A: CHLIM = 3.3V
ISL6255: CHLIM = 2.0V
ISL6255A: CHLIM = 2.0V
ISL6255: CHLIM = 0.2V
ISL6255A: CHLIM = 0.2V
CHLIM = GND or 3.3V, DCIN = 0V
CHLIM rising
CSIP = CSIN = 25V
BOOT-PHASE = 5V, 500mA source current
BOOT-PHASE = 5V, BOOT-UGATE = 2.5V
BOOT-PHASE = 5V, UGATE-PHASE = 2.5V
VDDP-PGND = 5V, LGATE = 2.5V
Guaranteed by design
0 < CSOP < 18V
0 < CSON < 18V
Guaranteed by design
0 < CSIN < DCIN, Guaranteed by design
ISL6255, ISL6255A
J
TEST CONDITIONS
≤
125°C, unless otherwise noted. (Continued)
MIN
245
-2.5
157
160
2.2
2.2
5.0
7.5
97
95
97
80
15
-1
-1
-2
0
0
7
TYP
0.25
0.10
300
165
165
100
100
100
1.0
1.0
3.4
3.4
1.6
1.8
1.0
1.8
1.8
1.0
1.8
99
75
10
10
25
88
0
1
0
VDD
= 1µF, I
MAX
99.6
15.0
12.5
355
100
173
170
105
103
130
4.4
4.4
3.0
1.8
3.0
1.8
2.5
3.6
18
95
40
25
1
2
1
2
1
VDD
= 0mA,
May 23, 2006
UNITS
kHz
FN9203.2
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
µA
µA
µA
µA
µA
µA
µA
µA
%
V
Ω
Ω
Ω
Ω
V
A
A
A
A
V
V
V