ISL78205AVEZ INTERSIL [Intersil Corporation], ISL78205AVEZ Datasheet - Page 7

• Manufacturer Part Number: ISL78205AVEZ
• Description: 2.5A Buck Controller with Integrated High-Side MOSFET
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
Conditions Unless Otherwise Noted: V
operating temperature range, -40°C to +105°C. (Continued)
OSCILLATOR
PWM Frequency
MIN ON Time
MIN OFF Time
REFERENCE VOLTAGE
Reference Voltage
System Accuracy
FB Pin Source Current
SOFT-START
Soft-Start Current
ERROR AMPLIFIER
Unity Gain-Bandwidth
DC Gain
Maximum Output Voltage
Minimum Output Voltage
Slew Rate
INTERNAL HIGH-SIDE MOSFET
Upper MOSFET r
LOW-SIDE MOSFET GATE DRIVER
LGate Source Resistance
LGATE Sink Resistance
POWER GOOD MONITOR
Overvoltage Rising Trip Point
Overvoltage Rising Hysteresis
Undervoltage Falling Trip Point
Undervoltage Falling Hysteresis
PGOOD Rising Delay
PGOOD Leakage Current
PGOOD Low Voltage
OVERCURRENT PROTECTION
Default Cycle by Cycle Current Limit Threshold
Hiccup Current Limit Threshold
OVERVOLTAGE PROTECTION
OV Latching-off Trip Point
DS(ON)
PARAMETER
7
IN
= 12V, or V
Refer to “Block Diagram” on page 4 and Typical Application Schematics on page 5. Operating
CC
t
V
V
PGOOD_DELAY
r
= 4.5V, T
FB
FB
V
V
DS(ON)_UP
t
SYMBOL
t
V
MIN_OFF
FB
FB
MIN_ON
/V
/V
PGOOD
I
I
V
f
OC_1
OC_2
OSC
I
SR
REF
/V
/V
SS
OVTRIP
UVTRIP
REF
REF
ISL78205
A
= -40°C to +105°C. Typicals are at T
100mA Source Current
100mA Sink Current
R
R
FS Pin connected to VCC or Floating or GND
C
C
C
Note 6
Percentage of Reference Point
Percentage Below OV Trip Point
Percentage of Reference Point
Percentage Above UV Trip Point
f
PGOOD HIGH, V
PGOOD LOW, I
ILIMIT = GND or VCC or Floating
Hiccup, I
Percentage of Reference Point
LG = UG = LATCH LOW
OSC
LOAD
LOAD
LOAD
T
T
= 665kΩ
= 51.1kΩ
= 500kHz
= 50pF
= 50pF
= 50pF
OC_2
TEST CONDITIONS
/I
PGOOD
OC_1
PGOOD
= 0.2mA
= 4.5V
A
= +25°C.
(Note 7)
1950
Boldface limits apply over the
MIN
160
450
-1.0
104
84
3
3
2200
0.10
TYP
200
500
130
210
110
115
120
0.8
3.6
0.5
3.5
3.3
3.6
10
88
90
90
10
5
5
5
3
3
2
September 22, 2011
(Note 7) UNITS
2450
MAX
550
225
325
150
240
116
1.0
4.2
96
7
FN7926.0
V/µs
MHz
kHz
kHz
kHz
mΩ
ms
nA
µA
dB
nA
ns
ns
%
%
%
%
%
%
%
V
V
V
Ω
Ω
V
A