ADP5037 Analog Devices, ADP5037 Datasheet - Page 8

• Manufacturer Part Number: ADP5037
• Description: Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs
• Manufacturer: Analog Devices

ADP5037
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN1
= V
Figure 3. System Quiescent Current vs. Input Voltage, V
4
2
1
3
4
2
1
3
V
140
120
100
CH1 2.00V
CH3 5.00V
80
60
40
20
OUT2
IN2
CH1 2.00V
CH3 5.00V
0
2.3
= V
= 1.8 V, V
Figure 5. BUCK2 Startup, V
Figure 4. BUCK1 Startup, V
T
T
IN3
IOUT
B
B
SW
VOUT
VOUT
EN
IOUT
W
W
2.8
= V
SW
EN
B W
B W
OUT3
CH2
CH4 5.00V
IN4
CH2
CH4 5.00V
= 1.2 V, V
50.0mA Ω
= 3.6 V, T
3.3
50.0mA Ω
INPUT VOLTAGE (V)
B
W
OUT4
3.8
B
= 3.3 V, All Channels Unloaded
W
B W
B W
OUT2
A
OUT1
M 40.0µs
T
= 25°C, unless otherwise noted.
M 40.0µs
T
= 3.3 V, I
11.20%
= 1.8 V, I
11.20%
4.3
OUT2
OUT1
A CH3
A CH3
4.8
= 10 mA
= 5 mA
OUT1
2.2V
2.2V
5.3
= 3.3 V,
Rev. A | Page 8 of 28
Figure 8. BUCK1 Load Regulation Across Input Voltage, V
Figure 6. BUCK1 Load Regulation Across Temperature, V
Figure 7. BUCK2 Load Regulation Across Temperature, V
0.799
0.798
0.797
0.796
0.795
0.794
0.793
0.792
0.791
0.790
0.789
1.864
1.844
1.824
1.804
1.784
1.764
3.35
3.33
3.31
3.29
3.27
3.25
0
0
0
V
IN
= 3.6V, +25°C
0.2
0.2
0.2
V
V
IN
V
V
IN
V
IN
IN
IN
= 3.6V, –40°C
= 3.6V, +85°C
= 3.6V, –40°C
= 3.6V, +25°C
V
= 3.6V, +85°C
IN
0.4
V
0.4
0.4
V
= 3.6V, +25°C
IN
IN
= 3.6V, –40°C
PWM Mode
Auto Mode
Auto Mode
= 3.6V, +85°C
I
OUT
I
I
OUT
OUT
0.6
0.6
0.6
(A)
(A)
(A)
0.8
0.8
0.8
Data Sheet
1.0
1.0
1.0
OUT1
OUT2
OUT1
= 1.8 V,
= 3.3 V,
= 3.3 V,
1.2
1.2
1.2