isl9305 Intersil Corporation, isl9305 Datasheet - Page 2

• Manufacturer Part Number: isl9305
• Description: 3mhz Dual Step-down Converters And Dual Low-input Ldos With I 2c Compatible Interface
• Manufacturer: Intersil Corporation

NOTE:
Block Diagram
1. C4 and C5 are 10µF/6.3V for VODCD less than 1V.
R1, R2,
PARTS
R3, R4
C2, C3
C4, C5
C6, C7
L1, L2
C1
Inductor
Input capacitor
Input capacitor
Output capacitor
Output capacitor
Resistor
DESCRIPTION
DCDPG
SDAT
SCLK
PGOOD WITH
DELAY TIME
1~200MS
Sumida
Murata
Murata
Murata
Murata
Various
UVLO
VREF
INTERFACE
OSC
2
I
MANUFACTURER
2
C
TABLE 1. TYPICAL APPLICATION PART LIST
OVERCURRENT
PROTECTION
PROTECTION
SHUTDOWN
THERMAL
CIRCUIT
SHORT
GRM185R60J105KE26D
GRM185R60J105KE26D
CDRH2D14NP-1R5
GRM21BR60J106KE19L
GRM219R60J475KE01D
ISL9305
PART NUMBER
ANALOG/LOGIC
CIRCUIT INPUT
BUCK CONVERTER
BUCK CONVERTER
300mA
300mA
DCD1
DCD2
LDO1
LDO2
1.5µH/1.80A/50mΩ
10µF/6.3V
1µF/6.3V
4.7µF/6.3V
1µF/6.3V
1%, SMD, 0.1Ω
SPECIFICATIONS
SW1
FB1
SW2
GNDDCD1
FB2
GNDLDO
VINDCD2
VINLDO1
VINLDO2
VINDCD1
GNDDCD2
VOLDO1
VOLDO2
1.5µH
1.5µH
3.0mmx3.0mmx1.55mm
0805
0603
0805
0603
0603
4.7µF
10µF
4.7µF
10µF
SIZE
10µF
10µF
1µF
1µF
November 8, 2010
FN7605.0