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YH09T40 40A DC-DC POL Converter
5V to 13.8V Input ? 0.6V to 3.63V Output
Data Sheet
4.
Electrical Specifications
Specifications apply at the input voltage from 5V to 13.8V, output load from 0 to 40A, output voltage from 0.6V to
3.63V, 470μF external output capacitor, and ambient temperature from 0°C to 70°C unless otherwise noted.
4.1
Input Specifications
Parameter
Input voltage (V IN )
Undervoltage Lockout
Turn On Threshold
Undervoltage Lockout
Turn Off Threshold
Conditions/Description
V OUT ≤ 0.55*V IN
Input Voltage Ramping Up
Input Voltage Ramping Down
Min
5
4.25
3.75
Nom
12
4.5
4.0
Max
13.8
4.75
4.25
Units
VDC
VDC
VDC
Standby Input Current
Maximum Input Current
Input Reflected Ripple Current
Peak-to-Peak
4.2
Output Specifications
V IN =12V, POL is disabled via ON/OFF
V IN =6V, V OUT =3.3V
BW=5MHz to 20MHz, L SOURCE =1μH,
See Figure 20 for setup
16
130
25
mADC
ADC
mA
Parameter
Output Voltage Range (V OUT )
Output Voltage Setpoint Accuracy,
V OUT ≥ 1V
Output Voltage Setpoint Accuracy,
V OUT <1V
Line Regulation, V OUT ≥ 2.5V
Load Regulation, V OUT ≥ 2.5V
Line Regulation, V OUT <2.5V
Load Regulation, V OUT <2.5V
Conditions/Description
Programmable with a resistor between
TRIM+ and TRIM- pins
V IN =12V, I OUT =I OUT MAX ,
0.1% trim resistor, room temperature
V IN =12V, I OUT =I OUT MAX ,
0.1% trim resistor, room temperature
V IN MIN to V IN MAX
0 to I OUT MAX
V IN MIN to V IN MAX
0 to I OUT MAX
Min
0.6
-0.8
-7
Nom
Max
3.63
0.8
7
0.4
0.6
9
12
Units
VDC
%V OUT
mVDC
%V OUT
%V OUT
mVDC
mVDC
Over operating input voltage, resistive
Output Voltage Regulation
Output Voltage Peak-to-Peak
Ripple and Noise, BW=20MHz,
Full Load
Dynamic Regulation
Peak Deviation
Settling Time
Efficiency
V IN =12V
Full Load
Room temperature
Switching Frequency
ZD-02095 Rev. 1.1, 18-Jun-10
load, and temperature conditions until
the end of life
V IN =12V, V OUT =0.6V
V IN =12V, V OUT =2.5V
V IN =12V, V OUT =3.3V
V IN =12V,
50 - 100% load step, Slew rate 1A/ ? s,
to 10% of peak deviation
V OUT =0.6V
V OUT =1.2V
V OUT =2.5V
V OUT =3.3V
2 phases combined
www.power-one.com
-1.1
25
30
35
70
50
73
84
91
93
1,000
Page 3 of 13
1.1
30
40
50
%V OUT
mV
mV
mV
mV
? s
%
%
%
%
kHz
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