Owner manual

MAX8718/MAX8719
High-Voltage, Low-Power Linear Regulators for
Notebook Computers
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. V
IN
= 15V, I
OUT
= 5µA, T
A
= 0°C to +85°C. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
IN
= 6V, T
A
= +25°C
210
Output Current Limit I
LIM
V
OUT
= 0, V
IN
= 6V
125
340
mA
Output Reverse Leakage Current
V
OUT
forced to 5.5V, IN = unconnected 70 µA
MAX8718
0.16
Capacitive Load Requirements
MAX8719
0.23
µF/mA
Startup Time Response
Rising edge of IN or SHDN to OUT within
spec limits, C
OUT
= 10µF, R
LOAD
= 500Ω,
V
OUT
= 5V
1ms
Startup Output Overshoot
C
OUT
= 10µF, R
LOAD
= 500Ω, OUT within
90% of the nominal output voltage
0.5 %
T
A
= +25°C, rising edge only
0.88 ×
V
OUT
0.9 ×
V
OUT
0.92 ×
V
OUT
V
CC
Threshold (MAX8718)
0°C < T
A
< +85°C, rising edge only
0.85 ×
V
OUT
0.9 ×
V
OUT
0.95 ×
V
OUT
V
T
A
= +25°C, rising edge only
0.88 ×
V
FB
0.9 ×
V
FB
0.92 ×
V
FB
V
CC
Threshold (MAX8719)
0°C < T
A
< +85°C, rising edge only
0.85 ×
V
FB
0.9 ×
V
FB
0.95 ×
V
FB
V
V
CC
to PGOOD Delay V
TH
to (V
TH
- 100mV) 4.5 µs
PGOOD Active-Timeout Period
100 185
300 ms
PGOOD Output Leakage Current
PGOOD = 5.5V, V
CC
= 5.5V 0.1 µA
PGOOD Output Low Voltage I
SINK
= 1.6mA, V
CC
= GND 0.3 V
V
CC
Input Hysteresis 2%
Thermal-Shutdown Threshold V
SHDN
= 0 or 15V, 20°C hysteresis
+165
°C
SHDN Input Low Voltage
0.25
V
SHDN Input High Voltage 1.4 V
SHDN Input Bias Current V
SHDN
= 0 or 15V, T
A
= 0°C to +85°C-1
+0.1
+1 µA