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NCP1595AGEVB

P1-P3P4-P6P7-P9P10-P12P13-P13
NCP1595, NCP1595A, NCP1595C
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS
(V
in
= 4.0 V − 5.5 V, V
out
= 1.2 V, T
J
= +25°C for typical value; For NCP1595, NCP1595A: −40°C < T
A
< 125°C; For NCP1595C: −40°C
< T
A
< 85°C for min/max values unless noted otherwise)
Parameter
Symbol Test Conditions Min Typ Max Unit
V
in
Input Voltage Range (Note 2) V
in
4.0 5.5 V
V
CC
UVLO Threshold 3.2 3.5 3.8 V
UVLO Hysteresis 335 mV
V
CC
Quiescent Current I
inVCC
V
in
= 5 V,V
FB
= 1.5 V,
(No Switching)
1.7 2.0 mA
V
CCP
Quiescent Current I
inVCCP
V
in
= 5 V,V
FB
= 1.5 V,
(No Switching)
25
mA
V
in
Shutdown Supply Current (Note 3) I
QSHDN
(NCP1595A), EN = 0 V 1.8 3.0
mA
FEEDBACK VOLTAGE
Reference Voltage
V
FB
0.788 0.800 0.812 V
Feedback Input Bias Current (Note 2) I
FB
V
FB
= 0.8 V 10 100
nA
Feedback Voltage Line Regulation (Note 3) V
in
= 4.0 V to 5.5 V 0.06 %/V
PWM
Maximum Controllable Duty Cycle (regulating)
82 85 %
Minimum Controllable ON Time (Note 3) 50 ns
PULSE−BY−PULSE CURRENT LIMIT
Pulse−by−Pulse Current Limit (Regulation)
I
LIM
2.7 3.9 4.3 A
Pulse−by−Pulse Current Limit (Soft−Start) I
LIMSS
4.0 5.3 6.1 A
OSCILLATOR
Oscillator Frequency
F
SW
0.87 1.0 1.13 MHz
MOSFET
High Side MOSFET ON Resistance (Note 2)
R
DS(on)
HS
R
DS(on)
HS
I
DS
= 100 mA, V
GS
= 5 V 140 200
mW
High Side MOSFET Leakage (Note 3) V
EN
= 0 V, V
SW
= 0 V 10
mA
Low Side MOSFET ON Resistance (Note 2)
R
DS(on)
LS
R
DS(on)
LS
I
DS
= 100 mA, V
GS
= 5 V 90 125
mW
Low Side MOSFET Leakage (Note 3) V
EN
= 0 V, V
SW
= 5 V 10
mA
ENABLE (NCP1595A)
EN HI Threshold
ENHI (NCP1595A) 1.4 V
EN LO Threshold ENLO (NCP1595A) 0.4 V
EN Hysteresis (NCP1595A) 200 mV
EN Pullup Current (NCP1595A) 1.4 3.0
mA
SOFT−START
Soft−Start Ramp Time (Note 3)
t
SS
F
SW
= 1 MHz 1.0 ms
Hiccup Timer (Note 3) 2.0 ms
THERMAL SHUTDOWN
Thermal Shutdown Threshold (Note 3)
185 °C
Thermal Shutdown Hysteresis (Note 3) 40 °C
2. Guaranteed by characterization. Not production tested.
3. Guaranteed by design. Not production tested.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
NCP1595, NCP1595A, NCP1595C
http://onsemi.com
5
TYPICAL OPERATING CHARACTERISTICS
T
A
, AMBIENT TEMPERATURE (°C)
3.1
3.2
3.3
3.4
3.5
3.7
−40 5 20 125
Figure 3. Undervoltage Lockout vs.
Temperature
UVLO (V)
Figure 4. Feedback Input Threshold vs.
Temperature
785
790
795
800
805
810
815
−40 5 50 125
T
A
, AMBIENT TEMPERATURE (°C)
V
FB
, FB INPUT THRESHOLD (mV)
Figure 5. Switching Frequency vs.
Temperature
0.7
0.8
0.9
1.0
1.1
1.2
1.3
−40 5 35 125
T
A
, AMBIENT TEMPERATURE (°C)
f
SW
, SWITCH FREQUENCY (MHz)
Figure 6. Current Limit vs. Temperature
3.0
3.5
4.0
4.5
5.0
5.5
−40 5 35 125
T
A
, AMBIENT TEMPERATURE (°C)
I
LIM
(A)
1.0
1.2
1.4
1.6
1.8
2.0
−40 5 50 125
T
A
, AMBIENT TEMPERATURE (°C)
I
CC
, SWITCHING (mA)
Figure 7. Quiescent Current Into V
CC
vs.
Temperature
Figure 8. Quiescent Current Into V
CC
vs.
Temperature
UVLO Falling Threshold
3.6
65−10
UVLO Rising Threshold
−25 65
65−25 −25 65
I
LIM
(Regulation)
I
LIM
(Soft−Start)
−25 95
1.0
1.2
1.4
1.6
1.8
2.0
−40 20 95 125
T
A
, AMBIENT TEMPERATURE (°C)
I
CC
, DISABLED (mA)
−25 110
−25 35 50 11080 95 −10 20 35 95 11080
−10 20 50 80 11095 −10 20 50 80 95 110
110−10 20 35 65 80 −10 5 35506580
NCP1595, NCP1595A, NCP1595C
http://onsemi.com
6
TYPICAL OPERATING CHARACTERISTICS
Figure 9. Load Regulation for V
OUT
= 3.3 V Figure 10. Efficiency vs. Output Current for
V
OUT
= 3.3 V
Figure 11. Load Regulation for V
OUT
= 1.8 V Figure 12. Efficiency vs. Output Current for
V
OUT
= 1.8 V
Figure 13. Load Regulation for V
OUT
= 1.2 V
1.10
1.12
1.14
1.16
1.18
1.20
1.22
0.1 0.7 1.0 1.5
V
IN
= 4.0 V
V
IN
= 5.0 V
20
40
50
60
70
80
90
100
0.01 0.1 1 10
V
OUT
, OUTPUT VOLTAGE (V)
0
I
OUT
, OUTPUT CURRENT (A)
I
OUT
, OUTPUT CURRENT (A)
V
IN
= 5.0 V
V
IN
= 4.0 V
EFFICIENCY (%)
Figure 14. Efficiency vs. Output Current for
V
OUT
= 1.2 V
1.24
1.26
1.28
1.30
0.2 0.3 0.4 0.5 0.6 0.8 0.9 1.1 1.2 1.3 1.4
1.70
1.72
1.74
1.76
1.78
1.80
1.82
0.1 0.7 1.0 1.5
V
IN
= 4.0 V
V
IN
= 5.0 V
V
OUT
, OUTPUT VOLTAGE (V)
0
I
OUT
, OUTPUT CURRENT (A)
1.84
1.86
1.88
1.90
0.2 0.3 0.4 0.5 0.6 0.8 0.9 1.1 1.2 1.3 1.4
3.20
3.22
3.24
3.26
3.28
3.30
3.32
0.1 0.7 1.0 1.5
V
IN
= 4.0 V
V
IN
= 5.0 V
V
OUT
, OUTPUT VOLTAGE (V)
0
I
OUT
, OUTPUT CURRENT (A)
3.34
3.36
3.38
3.40
0.2 0.3 0.4 0.5 0.6 0.8 0.9 1.1 1.2 1.3 1.4
30
20
40
50
60
70
80
90
100
0.01 0.1 1 10
I
OUT
, OUTPUT CURRENT (A)
V
IN
= 5.0 V
V
IN
= 4.0 V
EFFICIENCY (%)
30
20
40
50
60
70
80
90
100
0.01 0.1 1 10
I
OUT
, OUTPUT CURRENT (A)
V
IN
= 5.0 V
V
IN
= 4.0 V
EFFICIENCY (%)
30
V
OUT
= 1.2 V
L = 3.3 mH
C
OUT
= 2 x 22 mF
V
OUT
= 1.8 V
L = 3.3 mH
C
OUT
= 2 x 22 mF
V
OUT
= 3.3 V
L = 3.3 mH
C
OUT
= 2 x 22 mF
V
OUT
= 3.3 V
L = 3.3 mH
C
OUT
= 2 x 22 mF
V
OUT
= 1.8 V
L = 3.3 mH
C
OUT
= 2 x 22 mF
V
OUT
= 1.2 V
L = 3.3 mH
C
OUT
= 2 x 22 mF
P1-P3P4-P6P7-P9P10-P12P13-P13

NCP1595AGEVB

Mfr. #:
Buy NCP1595AGEVB
Manufacturer:
ON Semiconductor
Description:
Power Management IC Development Tools NCP1595AMNR2G EVM P/N
Lifecycle:
New from this manufacturer.
Delivery:
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