MAX8734AEEI+ Maxim Integrated Products, MAX8734AEEI+ Datasheet - Page 9

• Manufacturer Part Number: MAX8734AEEI+
• Description: IC PWR SUPPLY CONTROLLER 28QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX8734AEEI+

• Applications: Power Supply Controller
• Voltage - Input: 4.5 ~ 24 V
• Current - Supply: 25µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Product: Power Monitors
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Accuracy: 1.5 %
• Supply Current (max): 50 uA
• Supply Voltage (max): 4.5 V
• Supply Voltage (min): 24 V
• Case: SSOP
• Dc: 06+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12V, ON3 = ON5 = V
R
CS
450
400
350
300
250
200
150
100
360
320
280
240
200
160
120
50
550
500
450
400
350
300
250
200
150
100
80
40
0
50
= 7mΩ, V
0
0
0.001
0.001
0.001
3.3V OUTPUT SWITCHING FREQUENCY
ULTRASONIC MODE
ULTRASONIC MODE
V
ULTRASONIC MODE
PWM MODE
V
PWM MODE
V
IN
IN
vs. LOAD CURRENT (MAX8732A)
IN
FREQUENCY vs. LOAD CURRENT
FREQUENCY vs. LOAD CURRENT
= 7V
Supply Controllers for Notebook Computers
= 7V
= 24V
PWM MODE
3.3V OUTPUT SWITCHING
5V OUTPUT SWITCHING
0.01
ILIM
0.01
0.01
High-Efficiency, Quad-Output, Main Power-
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
_ = 0.5V, T
MAX8733A
MAX8733A
_______________________________________________________________________________________
PFM MODE
0.1
0.1
0.1
PFM MODE
PFM MODE
A
= +25°C, unless otherwise noted.)
1
1
1
10
10
10
250
225
200
175
150
125
100
5.19
5.17
5.15
5.13
5.11
5.09
5.07
5.05
550
500
450
400
350
300
250
200
150
100
75
50
25
Typical Operating Characteristics (continued)
50
0
0
0.001
0.001
0.001
ULTRASONIC MODE
FORCED-PWM
PWM MODE
V
IN
FREQUENCY vs. LOAD CURRENT
FREQUENCY vs. LOAD CURRENT
= 7V
OUT5 VOLTAGE REGULATION
ULTRASONIC MODE
3.3V OUTPUT SWITCHING
PWM MODE
5V OUTPUT SWITCHING
0.01
IDLE MODE
0.01
0.01
vs. LOAD CURRENT
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
MAX8732A
MAX8733A
MAX8732A
ULTRASONIC
PFM MODE
0.1
0.1
0.1
PFM MODE
1
1
1
V
IN
= 24V
10
10
10
360
320
280
240
200
160
120
450
400
350
300
250
200
150
100
3.41
3.40
3.39
3.38
3.37
3.36
3.35
3.34
3.33
80
40
50
0
0
0.001
0.001
0.001
FORCED-PWM
PWM MODE
PWM MODE
ULTRASONIC MODE
FREQUENCY vs. LOAD CURRENT
FREQUENCY vs. LOAD CURRENT
ULTRASONIC MODE
OUT3 VOLTAGE REGULATION
3.3V OUTPUT SWITCHING
0.01
5V OUTPUT SWITCHING
0.01
IDLE MODE
0.01
vs. LOAD CURRENT
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
MAX8732A
MAX8732A
MAX8733A
ULTRASONIC
0.1
0.1
0.1
PFM MODE
CC
PFM MODE
, SHDN = V+,
1
1
1
V
V
IN
IN
= 24V
= 24V
10
10
10
9