ISL8120IRZ-T Intersil, ISL8120IRZ-T Datasheet - Page 4
![IC CTRLR PWM 2/NPHASE 32-QFN](/photos/6/88/68833/32-qfn_pkg_sml.jpg)
ISL8120IRZ-T
Manufacturer Part Number
ISL8120IRZ-T
Description
IC CTRLR PWM 2/NPHASE 32-QFN
Manufacturer
Intersil
Datasheet
1.ISL8120IRZ-T.pdf
(33 pages)
Specifications of ISL8120IRZ-T
Pwm Type
Voltage Mode
Number Of Outputs
2
Frequency - Max
1.5MHz
Duty Cycle
90%
Voltage - Supply
3 V ~ 22 V
Buck
Yes
Boost
No
Flyback
No
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
No
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Frequency-max
1.5MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ISL8120IRZ-T
Manufacturer:
INTERSIL
Quantity:
20 000
Block Diagram (2/2)
VSEN2+
VSEN2-
COMP2
FB2
VCC
700mV
UNITY GAIN
DIFF AMP2
RELATIVE
CONTROL
PHASE
V
REF
V
VMON2
REF
k*VDDQ
V
REF2
PGOOD
COMP2
M/D CONTROL
E/A2
OV/UV
COMP2
PGOOD
FIGURE 2. CHANNEL/PHASE 2 (VTT)
EN/FF2
SOFT-START AND
FAULT LOGIC
CHANNEL 2
105µA
OTP
AVG_OCP
CHANNEL2
OCP
7-CYCLE
DELAY
POR
CLKOUT/REFIN
CORRECTION
MASTER CLOCK
+
CURRENT
OSCILLATOR
GENERATOR
SAW2
∑
+
-
FSYNC
PWM2
SAW1
ICS2
-
-
I
CSH_ERR
I
AVG
= (I
ICS1
ICS2
I
CS1
AVG_CS+15
CONTROL
M/D = 0: DUAL OUTPUT OPERATION
+ I
GATE
+
+
I
AVG_CS
CS2
CHANNEL 2
SAMPLING
CURRENT
I
CSH_ERR
) / 2
PVCC
µ
AVERAGE
CURRENT
CURRENT
A
ISHARE
SHARE
BLOCK
M/D = 1: multiphase
= (V
I
AVG_CS
ISARE
I
AVG
PVCC
GND
I
AVG_CS+15
0.6V =k*VDDQ
= I
- V
AVG
CONTROL
ISET
M/D
or I
)/G
µ
CS1
A
CS
ISET
BOOT2
UGATE2
PHASE2
LGATE2
ISEN2A
ISEN2B