ISL6251 INTERSIL [Intersil Corporation], ISL6251 Datasheet - Page 4

• Manufacturer Part Number: ISL6251
• Description: Low Cost Multi-Chemistry Battery Charger Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
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 & CSIN
Combined
Input Bias Current at CSIN
PARAMETER
4
DCIN=CSIP=CSIN=18V, CSOP=CSON=12V, ACSET=1.5V, ACLIM=VREF, VADJ=Floating, EN=VDD=5V,
BOOT-PHASE=5.0V, GND=PGND=0V, C
otherwise noted. (Continued)
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
Guarantee by design
0 < CSOP < 18V
0 < CSON < 18V
ISL6251: CHLIM=3.3V
ISL6251A, CHLIM=3.3V
ISL6251: CHLIM=2.0V
ISL6251A: CHLIM=2.0V
ISL6251: CHLIM=0.2V
ISL6251A: CHLIM=0.2V
CHLIM=GND or 3.3V, DCIN=0V
CHLIM rising
Guarantee by design
CSIP=CSIN=25V
0 < CSIN < DCIN, Guaranteed by design
TEST CONDITIONS
ISL6251, ISL6251A
VDD
=1µF, I
VDD
=0mA, T
MIN
245
-2.5
157
160
5.0
7.5
97
95
97
80
15
-1
-2
0
0
7
A
=-10°C to +100°C, T
TYP
0.25
0.10
300
165
165
100
100
100
1.8
1.0
1.8
1.8
1.6
1.0
1.8
1.0
1.0
99
75
10
10
88
25
1
0
MAX
99.6
15.0
12.5
355
100
173
170
105
103
130
J
3.0
1.8
3.0
1.8
2.5
3.6
18
95
40
25
2
1
2
1
≤
125°C, unless
June 17, 2005
UNITS
kHz
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
µA
µA
µA
µA
µA
%
Ω
Ω
Ω
Ω
V
V
A
A
A
A
V
V
V
FN9202.1