ISL6256 INTERSIL [Intersil Corporation], ISL6256 Datasheet - Page 7

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ISL6256

Manufacturer Part Number
ISL6256
Description
Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ISL6256AHRZ-T
Manufacturer:
SHARP
Quantity:
12 000
Electrical Specifications
ACSET Input Bias Current
ACSET Input Bias Current
DCSET Threshold
DCSET Input Bias Current Hysteresis
DCSET Input Bias Current
DCSET Input Bias Current
OSCILLATOR
Frequency
PWM Ramp Voltage (peak-to-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
Dead Time
CHARGING CURRENT SENSING AMPLIFIER
Input Common-Mode Range
Input Bias Current at CSOP
Input Bias Current at CSON
CHLIM Input Voltage Range
ISL6256
CSOP to CSON Full-Scale Current Sense
Voltage
ISL6256A
CSOP to CSON Full-Scale Current Sense
Voltage
ISL6256 CSOP to CSON Full-Scale
Current Sense Voltage Formula
ISL6256A CSOP to CSON Full-Scale
Current Sense Voltage Formula
CHLIM Input Bias Current
PARAMETER
7
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
operating temperature range, -10°C to +100°C. (Continued)
A
= -10°C to +100°C, T
ACSET ≥ 1.26V
ACSET < 1.26V
DCSET ≥ 1.26V
DCSET < 1.26V
CSIP = 18V
CSIP = 11V
BOOT-PHASE = 5V, 500mA source current
BOOT-PHASE = 5V, BOOT-UGATE = 2.5V
BOOT-PHASE = 5V, 500mA sink current
BOOT-PHASE = 5V, UGATE-PHASE = 2.5V
VDDP-PGND = 5V, 500mA source current
VDDP-PGND = 5V, VDDP-LGATE = 2.5V
VDDP-PGND = 5V, 500mA sink current
VDDP-PGND = 5V, LGATE = 2.5V
Falling UGATE to rising LGATE or
falling LGATE to rising UGATE
5 < CSOP < 18V
5 < CSON < 18V
ISL6256: CHLIM = 3.3V
ISL6256: CHLIM = 2.0V
ISL6256: CHLIM = 0.2V
ISL6256A: CHLIM = 3.3V
ISL6256A: CHLIM = 2.0V
ISL6256A: CHLIM = 0.2V
Charge current limit mode
0.2V < CHLIM < 3.3V
Charge current limit mode
0.2V < CHLIM < 3.3V
CHLIM = GND or 3.3V, DCIN = 0V
TEST CONDITIONS
ISL6256, ISL6256A
J
≤ +125°C, Unless Otherwise Noted. Boldface limits apply over the
CHLIM*49.72
CHLIM*50
(Note 8)
161.7
1.24
MIN
245
160
-2.4
2.4
2.4
2.4
5.0
7.5
- 5
97
10
95
97
-1
-1
-1
0
0
TYP
1.26
0.25
300
165
100
165
100
3.4
3.4
3.4
1.6
1.8
1.0
1.0
1.8
1.8
1.0
1.0
1.8
99
75
10
10
0
0
1
VDD
CHLIM*50.28
= 1µF, I
CHLIM*50
(Note 8)
168.3
MAX
1.28
99.6
15.0
12.5
+2.4
105
355
100
170
103
4.4
4.4
4.4
3.0
1.8
3.0
1.8
3.6
+ 5
30
18
1
1
2
1
VDD
September 14, 2010
= 0mA,
UNITS
kHz
FN6499.3
mV
mV
mV
mV
mV
mV
mV
mV
µA
µA
µA
µA
µA
µA
µA
µA
ns
%
Ω
Ω
Ω
Ω
V
V
V
A
A
A
A
V
V

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