MAX8795AETJ+ Maxim Integrated Products, MAX8795AETJ+ Datasheet - Page 7

• Manufacturer Part Number: MAX8795AETJ+
• Description: IC DC-DC CONV W/OP AMP 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8795AETJ+

• Applications: Converter, TFT, LCD
• Voltage - Input: 2.5 ~ 6 V
• Number Of Outputs: 8
• Voltage - Output: 2.5 ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted.)
MAIN STEP-UP REGULATOR
Output Voltage Range
Operating Frequency
Oscillator Maximum Duty Cycle
FB Regulation Voltage
FB Fault Trip Level
FB Load Regulation
FB Line Regulation
FB Input Bias Current
FB Transconductance
FB Voltage Gain
LX On-Resistance
LX Leakage Current
LX Current Limit
Current-Sense Transresistance
Soft-Start Period
Soft-Start Step Size
OPERATIONAL AMPLIFIERS
SUP Supply Range
SUP Overvoltage Fault Threshold
SUP Supply Current
Input Offset Voltage
Input Bias Current
Input Common-Mode Voltage
Range
Common-Mode Rejection Ratio
Open-Loop Gain
Output Voltage Swing, High
Output Voltage Swing, Low
Short-Circuit Current
Power-Supply Rejection Ratio
Slew Rate
-3dB Bandwidth
IN
= 3V, V
PARAMETER
MAIN
= V
SUP
_______________________________________________________________________________________
= 14V, V
PGND
SYMBOL
R
CMRR
V
PSRR
V
I
= V
f
LX(ON)
I
V
V
V FB
V
I
BIAS
V
MAIN
OSC
SUP
I
t
LIM
SUP
LX
SS
CM
OH
OS
OL
AGND
TFT-LCD DC-DC Converter with
= V
No load
V
0 < I
V
V
ΔI
From FB to COMP
I
V
V
Buffer configuration, V
no load
(V
(V
0 ≤ (V
I
I
To V
DC, 6V ≤ V
(V
R
LX
OUT_
OUT_
FB
IN
FB
LX
FB
L
COMP
NEG_
NEG_
NEG_
BGND
= 10kΩ, C
= 200mA
= 2.5V to 6V
= 19V
falling
MAIN
= 1.233V
= 1.2V, duty cycle = 75%
SUP
NEG_
= 5mA
= -5mA
, V POS _, V
, V
, V
= ±2.5μA
/ 2, source or sink
= 0V, I
< full load, transient only
POS_
POS_
, V
SUP
POS_
L
, V
) ≅ V
CONDITIONS
= 10pF, buffer configuration
≤ 18V,
REF
OUT_
OUT_
) ≤ V
SUP
= 25μA, T
T
T
Operational Amplifiers
A
A
) ≅ V
POS_
) ≅ V
SUP
/ 2
= +25°C to +105°C
= 0°C to +105°C
SUP
SUP
= V
A
SUP
/ 2
/ 2
= 0°C to +105°C. Typical values are at T
/ 2,
V
1.221
1.212
1000
MIN
1.10
18.0
SUP
V IN
100
-50
2.5
0.1
6.0
86
75
45
75
60
0
-
V REF /
V
1.233
1.233
+100
1200
TYP
1.14
160
700
160
128
125
SUP
130
0.1
3.0
0.2
3.5
90
10
14
19
80
50
50
45
20
-1
0
0
-
1.245
1.248
V SUP
+200
MAX
1400
±0.4
1.17
18.0
19.9
+50
280
300
100
3.5
0.3
5.0
18
93
20
12
A
= +25°C,
UNITS
MHz
V/μs
kHz
%/V
mΩ
V/A
mA
mV
mV
V/V
ms
mV
mA
nA
μS
μA
nA
dB
dB
dB
%
V
V
V
A
V
V
V
7