ISL8502EVAL1Z Intersil, ISL8502EVAL1Z Datasheet - Page 6

• Manufacturer Part Number: ISL8502EVAL1Z
• Description: EVALUATION BOARD FOR ISL8502
• Manufacturer: Intersil

Specifications of ISL8502EVAL1Z

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 2, Non-Isolated
• Voltage - Output: 2.5V, 2.5V
• Current - Output: 2.5A. 2.5A
• Voltage - Input: 4.5 ~ 14V
• Regulator Topology: Buck
• Frequency - Switching: 500kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL8502
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Electrical Specifications
PWM Frequency
Ramp Amplitude
Ramp Amplitude
Modulator Gain
Maximum Duty Cycle
Maximum Duty Cycle
REFERENCE VOLTAGE
Reference Voltage
System Accuracy
FB Pin Bias Current
SOFT-START
Soft-Start Current
Enable Soft-Start Threshold
Enable Soft-Start Threshold Hysteresis
Enable Soft-Start Voltage High
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product
Maximum Output Voltage
Slew Rate
INTERNAL MOSFETS
Upper MOSFET r
Lower MOSFET r
PGOOD
PGOOD Threshold
PGOOD Rising Delay
PGOOD Leakage Current
PGOOD Low Voltage
PGOOD Sinking Current
PROTECTION
Positive Current Limit
PARAMETER
DS(ON)
DS(ON)
6
Refer to Block and Simplified Power System Diagrams and Typical Application Schematics. Operating
Conditions Unless Otherwise Noted: V
T
A
= +25°C. (Continued)
t
PGOOD_DELAY
V
I
r
r
V
SYMBOL
VIN
POC_peak
V
DS_Upper
DS_Lower
I
ΔV
ΔV
FB/
GBWP
PGOOD
D
D
PGOOD
V
f
OSC
I
/ΔV
SR
MAX
MAX
REF
SS
OSC
OSC
V
REF
OSC
R
R
FS pin tied to VCC
V
V
By Design
f
f
V
V
Rising Edge Hysteresis 1%
Falling Edge Hysteresis 1%
f
V
IOC from V
(T
IOC from V
(T
ISL8502
OSC
OSC
OSC
IN
IN
CC
CC
PGOOD
T
T
A
A
= 96kΩ
= 40kΩ
= 0°C to +85°C)
= -40°C to +0°C)
= 14V
= 5V
= 5V
= 5V
= 500kHz
= 1.2MHz
= 500kHz
IN
= 5.5V
= 12V, or V
TEST CONDITIONS
IN
IN
to PHASE (Notes 5, 6)
to PHASE (Notes 5, 6)
CC
= 5V ±10%, T
A
= -40°C to +85°C. Typical are at
(Note 7)
MIN
400
960
-1.0
107
0.8
2.8
3.9
2.1
2.0
88
76
20
86
0.470
0.600
1200
TYP
0.10
500
800
±80
180
250
1.0
1.0
3.2
4.4
111
3.5
3.4
30
12
88
15
90
90
8
5
(Note 7) UNITS
MAX
1440
±200
+1.0
600
115
1.2
3.8
0.5
4.5
4.0
40
93
5
June 29, 2010
FN6389.2
MHz
V/µs
kHz
kHz
kHz
mΩ
mΩ
mV
mA
ms
nA
µA
dB
µA
%
%
%
%
%
V
V
V
V
V
V
V
A
A
-