ISL8120IRZ Intersil, ISL8120IRZ Datasheet - Page 15

• Manufacturer Part Number: ISL8120IRZ
• Description: IC CTRLR PWM 2PHASE W/DVR 32-QFN
• Manufacturer: Intersil

Specifications of ISL8120IRZ

• 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
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
Undervoltage Lockout Hysteresis (Note 3)
Sink Current
Sink Impedance
OSCILLATOR
Oscillator Frequency Range
Oscillator Frequency
Total Variation
Peak-to-Peak Ramp Amplitude
Linear Gain of Ramp Over V
Ramp Peak Voltage
Peak-to-Peak Ramp Amplitude
Peak-to-Peak Ramp Amplitude
Ramp Amplitude Upon Disable
Ramp Amplitude Upon Disable
Ramp DC Offset
FREQUENCY SYNCHRONIZATION AND PHASE LOCK LOOP
Synchronization Frequency
PLL Locking Time
Input Signal Duty Cycle Range (Note 3)
PWM
Minimum PWM OFF Time
Current Sampling Blanking Time (Note 3)
REFERENCE
Channel 1 Reference Voltage (Include
Error and Differential Amplifiers’ Offsets)
Channel 2 Reference Voltage (Include
Error and Differential Amplifiers’ Offsets)
ERROR AMPLIFIER
DC Gain (Note 3)
Unity Gain-Bandwidth (Note 3)
Input Common Mode Range (Note 3)
Output Voltage Swing
Slew Rate (Note 3)
Input Current (Note 3)
PARAMETER
EN
15
Recommended Operating Conditions, Unless Otherwise Noted. (Continued)
V
V
UGBW_EA
RAMP_PEAK
t
R
SYMBOL
V
t
BLANKING
I
ΔV
ΔV
ΔV
ΔV
ΔV
RAMP_OS
MIN_OFF
EN_SINK
G
SR_EA
EN_SINK
EN_HYS
V
V
RAMP
REF1
REF2
I
RAMP
RAMP
RAMP
RAMP
RAMP
FB
V
R
I
R
VCC = 5V; -40°C < T
VCC = 5V, V
G
V
V
V
V
V
VCC = 5.4V (2.97V)
VCC = 5.4V (2.97V); F
ISL8120CRZ
ISL8120IRZ
ISL8120CRZ
ISL8120IRZ
R
R
VCC = 5V
R
Positive Direction Into the FB pin
EN_SINK
EN_RTH
EN
EN
EN
EN
EN
UP
FS
RAMP
L
L
L
= 10k, C
= 10k, C
= 10k, C
= 100k, Figure 21
= VCC
= VCC = 5.4V, R
= VCC = 3V; R
= 0V; VCC = 3.5V to 5.5V
= 0V; VCC < 3.4V
= 53.6kΩ, R
ISL8120
= ΔV
TEST CONDITIONS
= 5mA
= 10.6V; V
L
L
L
EN
RAMP
= 100pF, at COMP Pin
= 100pF, at COMP Pin
= 100pF, at COMP Pin
= 0.8V
DOWN
/V
UP
EN_FTH
A
EN
UP
SW
<+85°C
= 2k
= 5.23kΩ
= 2k
= 400kHz;
= 9V
(Note 4)
-0.75
-0.75
0.85
MIN
-0.6
-0.7
-0.2
150
344
150
310
10
-9
VCC - 1.4
VCC - 2.4
TYP
1.25
377
105
345
175
100
1.5
0.6
0.6
0.6
0.6
0.6
98
80
20
1
3
1
1
VCC - 1.8
VCC - 1.0
(Note 4)
MAX
1500
1500
0.75
0.95
406
410
0.6
0.7
15
65
+9
90
March 20, 2009
FN6641.0
UNITS
V
V
V
V
V
MHz
V/µs
kHz
kHz
kHz
mA
dB
nA
µs
ns
ns
%
P-P
P-P
P-P
P-P
P-P
%
%
%
%
%
V
Ω
V
V
V
V
V
V
V
V