ISL6455EVAL1Z Intersil, ISL6455EVAL1Z Datasheet - Page 3

• Manufacturer Part Number: ISL6455EVAL1Z
• Description: EVALUATION BOARD FOR ISL6455
• Manufacturer: Intersil

Specifications of ISL6455EVAL1Z

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 3, Non-Isolated
• Voltage - Output: 1.2V, 1.8V, 2.5V
• Current - Output: 200mA, 200mA, 200mA
• Voltage - Input: 5V
• Regulator Topology: Buck
• Frequency - Switching: 750kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6455
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

RTN
VIN
3.3V
Functional Block Diagram
10k
3.3V
10nF
FB_PWM
SGND
VIN
EN_LDO
GND_LDO
SYNC
10k
PG_LDO
EN
RESET
CT
START
SOFT-
EN
10k
EA
COMPENSATION
POWER GOOD
V
UVLO
OSCILLATOR
3
OUT
REFERENCE
750kHz
COMPENSATION
PWM
0.45V
PWM
SHUTDOWN
RESET
CONTROL
POR
THERMAL
SLOPE
150°C
LOGIC
GM
POR
3.3V
EN
EN
ISL6455, ISL6455A
10k
OVERCURRENT,
OVERVOLTAGE
BAND
GAP
REF
1.2V
LOGIC
PWM
PG_PWM
WINDOW
COMP.
WINDOW
COMP.
CURRENT
Gm
Gm
SENSE
DRIVE
GATE
+
-
+
-
LDO2
LDO1
GND
PVCC
VOUT
LX
PGND
VOUT2
VIN_LDO
VIN_LDO
VOUT1
FB_LDO1
CC1
CC2
FB_LDO2
8.2µH
3.3V
10µF
R
R
e
VIN_LDO
f
December 21, 2005
VOUT
33nF
33nF
R
R
R
R
c
d
a
b
FN9196.0
VOUT1
VOUT2
10µF
10µF
0
0