ISL9305IRTHBCNLZ-T Intersil, ISL9305IRTHBCNLZ-T Datasheet - Page 3

• Manufacturer Part Number: ISL9305IRTHBCNLZ-T
• Description: IC PMIC 800MA 3MHZ 16TQFN
• Manufacturer: Intersil

Specifications of ISL9305IRTHBCNLZ-T

• Topology: Step-Down (Buck) (2), Linear (LDO) (2)
• Function: Any Function
• Number Of Outputs: 4
• Frequency - Switching: 3MHz
• Voltage/current - Output 1: 0.8 V ~ 5.5 V, 800mA
• Voltage/current - Output 2: 0.8 V ~ 5.5 V, 800mA
• Voltage/current - Output 3: 0.9 V ~ 3.3 V, 350mA
• W/led Driver: No
• W/supervisor: No
• W/sequencer: No
• Voltage - Supply: 1.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Descriptions
Block Diagram
PIN NUMBER
(TQFN)
E-PAD
11
12
13
14
15
16
GNDDCD2
GNDDCD1
VINDCD2
DCDPG
NAME
E-PAD
SW2
SW1
SCLK
FB2
SDAT
3
PGOOD WITH
DELAY TIME
(Continued)
1~200ms
Feedback pin for DCD2, connect external voltage divider resistors between DCD2 output, this pin and ground. For
fixed output versions, connect this pin directly to the DCD2 output.
Input voltage for buck converter DCD2.
Switching node for DCD2, connect to one terminal of the inductor.
Power ground for DCD2.
Power ground for DCD1.
Switching node for DCD1, connect to one terminal of the inductor.
Exposed Pad. Connect to system ground.
INTERFACE
UVLO
VREF
OSC
I
2
C
OVERCURRENT
PROTECTION
PROTECTION
SHUTDOWN
THERMAL
CIRCUIT
SHORT
ISL9305H
ANALOG/LOGIC
CIRCUIT INPUT
DESCRIPTION
CONVERTER
CONVERTER
300mA
300mA
DCD1
BUCK
DCD2
BUCK
LDO1
LDO2
VINDCD1
SW1
FB1
GNDDCD1
VINDCD2
SW2
FB2
GNDDCD2
VINLDO1
VOLDO1
VINLDO2
VOLDO2
GNDLDO
1.5µH
1.5µH
10µF
10µF
10µF
10µF
November 8, 2010
10µF
10µF
1µF
1µF
FN7724.0