MAX8758ETG+T Maxim Integrated Products, MAX8758ETG+T Datasheet - Page 7

• Manufacturer Part Number: MAX8758ETG+T
• Description: IC REG STEP UP 24-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8758ETG+T

• Applications: Converter, TFT, LCD
• Voltage - Input: 1.8 ~ 5.5 V
• Number Of Outputs: 1
• Voltage - Output: 5V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Circuit of Figure 1, V
0.30
0.25
0.20
0.15
0.10
120
100
80
60
40
20
C
R
0
C
COMP1
COMP
COMP2
4.5
1
L = 4.7µH
V
POWER-SUPPLY REJECTION RATIO
NO LOAD
BUFFER CONFIGURATION
POS_ = V
= 100kΩ
SUPB
= 220pF
= 47pF
6.0
10
= 8.5V
SUPB SUPPLY CURRENT
SUPB
7.5
vs. SUPB VOLTAGE
vs. FREQUENCY
100
STEP-UP REGULATOR PULSED LOAD
FREQUENCY (Hz)
/ 2
9.0
V
_______________________________________________________________________________________
IN
SUPB
1k
= 3.3V, V
TRANSIENT RESPONSE
10.5 12.0 13.5 15.0
(V)
Step-Up Regulator with Switch Control
and Operational Amplifier for TFT LCD
10k
20µs/div
MAIN
100k
= 8.5V, FREQ = SHDN = IN, T
1M
MAX8758 toc09
0.30
0.25
0.20
0.15
0.10
Typical Operating Characteristics (continued)
-40
I
1AV/div
V
AC-COUPLED
200mV/div
I
1A/div
L
MAIN
OP-AMP RAIL-TO-RAIL INPUT/OUTPUT
MAIN
NO LOAD
BUFFER CONFIGURATION
V
POSB
SUPB SUPPLY CURRENT
= V
-10
vs. TEMPERATURE
SUPB
TEMPERATURE (°C)
/ 2
100µs/div
V
V
V
SUPB
A
SUPB
SUPB
20
= +25°C, unless otherwise noted.)
= 12V
= 8V
= 5V
MAX8758 toc15
50
TIMER-DELAY LATCH RESPONSE
70
V
5V/div
V
5V/div
POSB
OUTB
TO OVERLOAD
20ms/div
-10
-20
-30
-40
-50
10
0
0
100
OPERATIONAL AMPLIFIER FREQUENCY
OP-AMP LOAD TRANSIENT RESPONSE
V
A
R
RESPONSE FOR VARIOUS C
SUP
V
L
= 1
= 10kΩ
= 8.5V
MAX8758 toc10
1k
FREQUENCY (Hz)
1µs/div
V
5V/div
0V
LX
5V/div
0V
I
2A/div
0A
L
56pF
MAIN
10k
LOAD
1000pF
MAX8758 toc16
100k
7
I
50mA/div
V
2V/div
OUTB
OUTB