NR885E Datasheet, PDF (5/12 Pages) Sanken electric – Synchronous Buck Regulator

3A, 18V, 350kHz , Synchronous Buck Regulator
NR885E
Oct./30/2013
NR885E Typical Performance Characteristics
Output startup
V_O=3.3V, Load = Constant Resistance
Io = 0A
0.5A
1A
2A
3A
Input Voltage V_IN [V]
Over Current Protection
V^Vo_O⁼=^3.3^3V.3V
3.50
3.00
2.50
2.00
VIN = 8V
10V
1.50
12V
1.00
15V
18V
0.50
0.00
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Output Current I_O [A] _{出力電流Io [A]}
Load Regulation: V_Load
NR880K ES1 _VHS_OO₌P₃8 _.S₃1_VRT(Vo=3.3V)
3.35
VIN = 6V
8V
3.33
10V
12V
3.31
15V
18V
3.29
3.27
3.25
0
0.5 1 1.5 2 2.5 3 3.5
Output Current I_O [A]
Io(A)
Shutdown Supply Current : I_IN(off)
NR880K ES1 DIP_V28_ES_N1₌Iq₀o_Vff vs VIN at RT
EN:Open
10
9
8
7
6
5
4
3
2
1
0
0 2 4 6 8 10 12 14 16 18 20
Input Voltage V_IN [V]
VIN(V)
Switching Frequency: f_SW
400
390
380
370
360
350
340
330
320
310
300
0
NR880K ES1 H_VSO_OP₌8₃S_.1₃R_VT(Vo=3.3V)
VIN = 6V
8V
10V
12V
15V
18V
0.5 1 1.5 2 2.5 3 3.5
Output Current I_O [A]
Io(A)
Supply Current : I_IN
V_O=^Io3⁼⁰.^A3V
7
6
5
4
3
2
1
0
0
2
4
6
8 10 12 14 16 18
Input Voltage V_IN [V^入]^{力電圧Vin [V]}
Rev.1.1
SANKEN ELECTRIC CO., LTD.
5
http://www.sanken-ele.co.jp