L6995
4/25
VREF=VSENSE OSC=500mV 380 430 480 ns
VREF=VSENSE OSC=1V 220 250 280 ns
VREF=VSENSE OSC=2V 120 150 180 ns
OFF TIME
T
OFFMIN
Minimum off time 580 ns
K
OSC
/T
OFFMIN
OSC=250mV 0.4 0.45
VOLTAGE REFERENCE
VREF Voltage Accuracy 0µA < I
REF
< 100µA 0.891 0.9 0.909 V
PWM COMPARATOR
Input voltage offset -2 +2 mV
I
FB
Input Bias Curren t 0.1 µA
CURRENT LIMIT AND ZERO CURRENT COMPARATOR
ILIM input bias current I
LIM
to GND = 120KΩ 5 µA
K
C
Current Limit factor R
ILIM
=120 KΩ 0.85 1 1.15 µA
PHASE-
GND
Zero Crossing Comparator offset -2 2 mV
GATE DRIVERS
High side rise time V
DR
=5V; C=7nF
HGATE - PHASE from 2 to 4.5V
50 70 ns
High side fall time V
DR
=5V; C=7nF
HGATE - PHASE from 2 to 4.5V
50 70 ns
Low side rise time V
DR
=5V; C=14nF
LGATE from 2 to 4.5V
50 70 ns
Low side fall time V
DR
=5V; C=14nF
LGATE from 2 to 4.5V
50 70 ns
P
GOOD
UVP/OVP PROTECTI ONS
OVP Over voltage trip with respect to V
REF
112 115 118 %
UVP Under voltage trip 66 69 72 %
PGOOD Upper threshold
(VSENSE/VREF)
V
SENSE
rising 107 110 113 %
PGOOD Lower threshold
(VSENSE/VREF)
V
SENSE
falling 86 89 92 %
V
PGOOD
I
SOURCE
=2mA 0.14 0.2 V
INTEGRATOR
INT O ver Volta ge Clamp V
SENS E
= V
CC
1.04 1.07 1.1 V
INT Under Voltage Clamp V
SENSE
= GND 0.82 0.84 0.86 V
V
SENSE
-
V
REF
Integrator Input Offset Voltage -5 5 mV
I
VSENSE
Input Bias Curren t 0.1 µA
ELECTRICAL CHARACTERISTICS
(continued)
(V
CC
= V
DR
= 5V; T
am b
= 0°C to 85°C unless otherwise specified)
Symbol Parameter Test Condition Min. Typ. Max. Unit