MAX1999EEI Maxim Integrated Products, MAX1999EEI Datasheet - Page 6

• Manufacturer Part Number: MAX1999EEI
• Description: DC/DC Switching Controllers
• Manufacturer: Maxim Integrated Products

Specifications of MAX1999EEI

• Number Of Outputs: 1
• Output Voltage: 3.3 V, 2 V to 5.5 V
• Output Current: 0.95 A
• Input Voltage: 6 V to 24 V
• Mounting Style: SMD/SMT
• Package / Case: QSOP-28
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Case: SSOP
• Dc: 07+/04+
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

High-Efficiency, Quad Output, Main Power-
Supply Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12.0.V, ON3 = ON5 = V
T
6
LDO5 Bootstrap Switch Threshold
LDO5 Bootstrap
Switch Resistance
LDO3 Output Voltage
LDO3 Bootstrap Switch Threshold
LDO3 Bootstrap
Switch Resistance
REF Output Voltage
REF Load Regulation
REF Sink Current
V+ Operating Supply Current
V+ Standby Supply Current
V+ Shutdown Supply Current
Quiescent Power Consumption
FAULT DETECTION
Overvoltage Trip Threshold
PGOOD Threshold
PGOOD Output Low Voltage
PGOOD Leakage Current
Output Undervoltage
Shutdown Threshold
Output Undervoltage
Shutdown Blanking Time
INPUTS AND OUTPUTS
Feedback Input Leakage Current
PRO Input Voltage
SKIP Input Voltage
TON Input Voltage
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
_______________________________________________________________________________________
PARAMETER
Falling edge of OUT5, rising edge at OUT5 regulation
point
LDO5 to OUT5, V
ON3 = ON5 = GND, 6V < V+ < 24V, 0 < I
Falling edge of OUT3, rising edge at OUT3 regulation
point
LDO3 to OUT3, V
No external load
0 < I
REF in regulation
LDO5 switched over to OUT5, 5V SMPS
V+ = 6V to 24V, both SMPSs off, includes I
V+ = 4.5V to 24V
Both SMPSs on, FB3 = FB5 = SKIP = GND, V
3.5V, V
FB3 or FB5 with respect to nominal regulation point
FB3 or FB5 with respect to nominal output, falling edge,
typical hysteresis = 1%
I
High state, forced to 5.5V
FB3 or FB5 with respect to nominal output voltage
From ON_ signal
V
Low level
High level
Low level
Float level
High level
Low level
High level
SINK
FB3
LOAD
= V
= 4mA
OUT5
FB5
< 50µA
= 5.3V
= 2.2V
OUT5
OUT3
CONDITIONS
= 5V
= 3.2V
LDO3
SHDN
OUT3
< 100mA
=
1.975
-200
MIN
4.43
3.27
2.80
-12
1.5
1.7
2.4
2.4
+8
10
65
10
TYP
2.025
CC
+200
MAX
4.69
3.43
3.02
300
+14
3.2
3.5
4.5
0.3
0.6
0.8
2.3
0.8
10
50
15
75
40
-7
1
, V
SHDN
UNITS
mW
mV
ms
µA
µA
µA
µA
µA
nA
%
%
%
Ω
Ω
= 5V,
V
V
V
V
V
V
V
V