ISL6256 INTERSIL [Intersil Corporation], ISL6256 Datasheet - Page 3

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

VCOMP
ACPRN
ACSET
ICOMP
CELLS
ACLIM
VREF
VADJ
514kΩ
514kΩ
152kΩ
152kΩ
SELECTOR
VOLTAGE
REFERENCE
VREF
VREF
3
VDD
GND
ADAPTER
CURRENT
LIMIT SET
2.1V
+
-
gm1
FIGURE 1. FUNCTIONAL BLOCK DIAGRAM
1.26V
FB
-
MIN
VOLTAGE
BUFFER
ICM
ISL6256, ISL6256A
gm3
+
CURRENT
-
32kΩ
16kΩ
48kΩ
288kΩ
BUFFER
SGATE
MIN
CSON
-0.25
Σ
-
X19.9
CA2
CSIP CSIN
-
CSOP CHLIM
+
gm2
X19.9
+
CA1
300kHz
RAMP
-
CSON
1.26V
+
-
PWM
+
+
-
-
REGULATOR
LDO
+
-
1.065V
DCIN
VDD
BOOT
UGATE
PHASE
VDDP
LGATE
PGND
EN
BGATE
DCSET
DCPRN
September 14, 2010
FN6499.3