MB39C007 Datasheet, PDF (22/52 Pages) Fujitsu Component Limited. – 2 ch DC/DC Converter IC Built-in Switching FET & voltage detection function, PFM/PWM Synchronous Rectification, and Down Conversion Support

MB39C007
■ EXAMPLE OF STANDARD OPERATION CHARACTERISTICS
(Shown below is an example of characteristics for connection according to “■ TEST CIRCUIT FOR MEASURING
TYPICAL OPERATING CHARACTERISTICS”.)
• Characteristics CH1
Conversion efficiency vs. Load current
(PFM/PWM mode)
100
VIN = 3.7 V
VIN = 3.0 V
90
80
VIN = 4.2 V
Conversion efficiency vs. Load current
(PFM/PWM mode)
100
VIN = 3.7 V
90
VIN = 3.0 V
80
70
VIN = 5.0 V
Ta = +25°C
60
VOUT = 2.5 V
MODE = L
50
1
10
100
1000
Load current IOUT (mA)
70
VIN = 4.2 V
Ta = +25°C
60
VIN = 5.0 V ^{VOUT = 1.2 V}
MODE = L
50 ₁
10
100
1000
Load current IOUT (mA)
Conversion efficiency vs. Load current
(PFM/PWM mode)
100
VIN = 3.7 V
90 _{VIN = 3.0 V}
80
VIN = 4.2 V
70
VIN = 5.0 V
Ta = +25°C
60
VOUT = 1.8 V
50
1
10
100
Load current IOUT (mA)
1000
Conversion efficiency vs. Load current
(PFM/PWM mode)
100
VIN = 3.7 V
90
VIN = 4.2 V
80
70
60
50
1
VIN = 5.0 V
Ta = +25°C
VOUT = 3.3 V
MODE = L
10
100
Load current IOUT (mA)
1000
(Continued)
22
DS04-27246-2E