ISL78200 Datasheet, PDF (8/19 Pages) Intersil Corporation – 2.5A Regulator with Integrated High-Side MOSFET for Synchronous Buck or Boost Buck Converter

ISL78200
Electrical Specifications Refer to the Block Diagram (page 4) and Typical Application Schematics (page 5). Operating conditions
unless otherwise noted: V_IN = 12V, or V_CC = 4.5V, T_A = -40°C to +105°C. Typicals are at T_A = +25°C.
Boldface limits apply over the operating temperature range, -40°C to +105°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
(Note 6) TYP (Note 6) UNITS
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
PROTECTION
V_FB/V_REF
V_FB/V_OVTRIP
V_FB/V_REF
V_FB/V_UVTRIP
t_{PGOOD_DELAY}
V_PGOOD
Percentage of Reference Point
Percentage Below OV Trip Point
Percentage of Reference Point
Percentage Above UV Trip Point
f_OSC = 500kHz
PGOOD HIGH, V_PGOOD = 4.5V
PGOOD LOW, I_PGOOD = 0.2mA
104 110 116 %
3
%
84
90
96
%
3
%
2
ms
10
nA
0.10
V
Default Cycle by Cycle Current Limit Threshold
Hiccup Current Limit Threshold
OVERVOLTAGE PROTECTION
I_{OC_1}
I_{OC_2}
ILIMIT = GND or VCC or Floating
Hiccup, I_{OC_2}/I_{OC_1}
3
3.6 4.2
A
115
%
OV Latching-off Trip Point
Percentage of Reference Point
LG = UG = LATCH LOW
120
%
OV Non-Latching-off Trip Point
Percentage of Reference Point
LG = UG = LOW
110
%
OV Non-Latching-off Release Point
Percentage of Reference Point
102.5
%
OVER-TEMPERATURE PROTECTION
Over-Temperature Trip Point
155
°C
Over-Temperature Recovery Threshold
140
°C
NOTES:
6. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
7. Wire bonds not included. The wire bond resistance between VIN and PHASE pin is 32mΩ typical.
8
FN7641.0
September 22, 2011