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ISL6257HRZ-T View Datasheet(PDF) - Intersil
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Description
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ISL6257HRZ-T
Highly Integrated Narrow VDC Battery Charger for Notebook Computers
Intersil
ISL6257HRZ-T Datasheet PDF : 22 Pages
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ISL6257
ACSET
ACPRN
ACLIM
SGATE
+
-
1.26V
VREF
152k
Ω
152k
Ω
ADAPTER
CURRENT
LIMIT SET
-
gm3
+
CSIP CSIN
+
-
X19.9
CA1
DCSET
+
1.26V
-
CSON
-
+
DCPRN
LDO
REGULATOR
BGATE
DCIN
VDD
ICOMP
VCOMP
VADJ
CELLS
VREF
MIN
CURRENT
BUFFER
MIN
VOLTAGE
Σ
BUFFER
300kHz
RAMP
-
PWM
+
VREF
514k
Ω
514k
Ω
gm1
-
2.1V
VOLTAGE
SELECTOR
VDD
REFERENCE
288k
Ω
32k
Ω
gm2
-
16k
Ω
48k
Ω
CA2
-
X19.9
+
GND
FB
CSIP CSOP CHLIM
BOOT
UGATE
PHASE
VDDP
LGATE
PGND
1.065V
-
+
EN
FIGURE 19. FUNCTIONAL BLOCK DIAGRAM
10
FN9288.2
January 17, 2007
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