TDK iEA Series manual 26/41

Data Sheet: Belleta® iEA Series –Single Output Eighth Brick

Electrical Characteristics (continued):

iEA48025A018V-000 through -015: 1.8V, 25A Output

Output Voltage (V)

1.85

1.8

1.5

20 25 30 35

Output Current (A)

Vin = 36V Vin = 48V Vin = 75V

iEA48025A018V-000 Typical Output Current Limit Characteristics vs. Input Voltage at Ta=25 degrees.

	2.5
(A)	2
Current	1.5
	1
Input
	0.5
	0
	26	31	36	41	46	51	55	60	65	70	75

Input Voltage (V)

Io_min = 1.8A Io_mid = 12.6A

Io_max = 25.2A

iEA48025A018V-000 Typical Output Ripple at nominal input voltage and full load at Ta=25 degrees

	2
(V)	1.8
	1.6
Voltage	1.4
	1.2
	1
	0.8
Output
	0.6
	0.4
	0.2
	0
	26	31	36	41	46	51	55	60	65	70	75

Input Voltage (V)

Io_min = 1.8A Io_mid = 12.6A

Io_max = 25.2A

iEA48025A018V-000 Typical Input Current vs. Input Voltage Characteristics

iEA48025A018V-000 Typical Output Voltage vs. Input Voltage Characteristics

%		Trim	%				Trim Up
		Down
Change			Change				Resistor
		Resistor
of Vout			of Vout				(Kohm)
		(Kohm)
-5%		91.8K		+5%			45.2K
-10%		40.8K		+10%			21.2K
e.g. trim up 5%
	5.1 × 1.8⋅(100 + 5)			510		
Rup :=			−		− 10.2		⋅K
		1.225× 5		5		

iEA48025A018V-000 Calculated resistor values for output voltage adjustment

©2004 TDK Innoveta® Inc.		￿ (877) 498-0099
iEAFullDatasheet 032707 3/29/2007	Revision 2.0	26/41